/*******************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com) and
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2001 - 2004 John Weidman (jweidman@slip.net)
(c) Copyright 2002 - 2004 Brad Jorsch (anomie@users.sourceforge.net),
funkyass (funkyass@spam.shaw.ca),
Joel Yliluoma (http://iki.fi/bisqwit/)
Kris Bleakley (codeviolation@hotmail.com),
Matthew Kendora,
Nach (n-a-c-h@users.sourceforge.net),
Peter Bortas (peter@bortas.org) and
zones (kasumitokoduck@yahoo.com)
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 zsKnight (zsknight@zsnes.com),
_Demo_ (_demo_@zsnes.com), and Nach
C4 C++ code
(c) Copyright 2003 Brad Jorsch
DSP-1 emulator code
(c) Copyright 1998 - 2004 Ivar (ivar@snes9x.com), _Demo_, Gary Henderson,
John Weidman, neviksti (neviksti@hotmail.com),
Kris Bleakley, Andreas Naive
DSP-2 emulator code
(c) Copyright 2003 Kris Bleakley, John Weidman, neviksti, Matthew Kendora, and
Lord Nightmare (lord_nightmare@users.sourceforge.net
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight, pagefault (pagefault@zsnes.com) and
Kris Bleakley
Ported from x86 assembler to C by sanmaiwashi
SPC7110 and RTC C++ emulator code
(c) Copyright 2002 Matthew Kendora with research by
zsKnight, John Weidman, and Dark Force
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive and John Weidman
S-RTC C emulator code
(c) Copyright 2001 John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
Specific ports contains the works of other authors. See headers in
individual files.
Snes9x homepage: http://www.snes9x.com
Permission to use, copy, modify and distribute Snes9x in both binary and
source form, for non-commercial purposes, is hereby granted without fee,
providing that this license information and copyright notice appear with
all copies and any derived work.
This software is provided 'as-is', without any express or implied
warranty. In no event shall the authors be held liable for any damages
arising from the use of this software.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes
charging money for Snes9x or software derived from Snes9x.
The copyright holders request that bug fixes and improvements to the code
should be forwarded to them so everyone can benefit from the modifications
in future versions.
Super NES and Super Nintendo Entertainment System are trademarks of
Nintendo Co., Limited and its subsidiary companies.
*******************************************************************************/
#include <string.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#include "snes9x.h"
#include "memmap.h"
#include "cpuops.h"
#include "cheats.h"
#include "ppu.h"
#include "cpuexec.h"
#include "debug.h"
#include "missing.h"
#include "display.h"
#include "apu.h"
#include "sa1.h"
#include "spc7110.h"
#ifdef DEBUGGER
static void WhatsMissing ();
static void WhatsUsed ();
EXTERN_C SDMA DMA[8];
extern struct SCheatData Cheat;
#ifdef SPCTOOL
#include "spctool/spc700.h"
extern "C" void TraceSPC (unsigned char *PC, unsigned short YA, unsigned char X,
SPCFlags PS, unsigned char *SP);
#endif
FILE *trace = NULL;
FILE *trace2 = NULL;
struct SBreakPoint S9xBreakpoint[6];
struct SDebug
{
struct
{
uint8 Bank;
uint16 Address;
} Dump;
struct
{
uint8 Bank;
uint16 Address;
} Unassemble;
} Debug =
{
{
0, 0
},
{
0, 0
}
};
char *HelpMessage[] = {
"Command Help:",
"? - Shows this Command Help",
"r - Shows the Registers",
"i - Shows the interrupt vectors",
"t - Trace current instruction [Step-into]",
"T - Toggle CPU instruction tracing to trace.log",
"D - Toggle DMA tracing to stdout",
"H - Toggle H-DMA tracing to stdout",
"P - Toggle DSP tracing to stdout",
"U - Toggle unknown register read/write tracing",
"V - Toggle non-DMA V-RAM read/write tracing",
"R - Reset ROM.",
"p - Proceed to next instruction [Step-over]",
"s - Skip to next instruction [Skip]",
"S - dump sprite (OBJ) status",
"g [Address] - Go or Go to [Address]",
"u [Address] - Disassemble from PC or [Address]",
"d [Address] - Dump from PC or [Address]",
"bv [Number] - View Breakpoints or View Breakpoint [Number]",
"bs [Number] [Address] - Enable/Disable Breakpoint",
" [Enable example: BS #2 $02:8002]",
" [Disable example: BS #2]",
"c - Dump SNES colour palette",
"W - Show what SNES hardware features a ROM is using",
" which might not be implemented yet.",
"w - Show some SNES hardware features used so far in this frame",
"q - Quit emulator",
"",
"[Address] - $Bank:Address or $Address",
" [For example: $01:8123]",
"[Number] - #Number",
" [For example: #1]",
"a - Show Sound CPU status",
"A - Toggle sound CPU instruction tracing to aputrace.log",
"B - Toggle sound DSP register tracing",
"C - Dump sound sample addresses",
"ad [Address] - Dump sound CPU RAM from PC or [Address]",
"", NULL};
char *S9xMnemonics[256] = {
"BRK", "ORA", "COP", "ORA", "TSB", "ORA", "ASL", "ORA",
"PHP", "ORA", "ASL", "PHD", "TSB", "ORA", "ASL", "ORA",
"BPL", "ORA", "ORA", "ORA", "TRB", "ORA", "ASL", "ORA",
"CLC", "ORA", "INC", "TCS", "TRB", "ORA", "ASL", "ORA",
"JSR", "AND", "JSL", "AND", "BIT", "AND", "ROL", "AND",
"PLP", "AND", "ROL", "PLD", "BIT", "AND", "ROL", "AND",
"BMI", "AND", "AND", "AND", "BIT", "AND", "ROL", "AND",
"SEC", "AND", "DEC", "TSC", "BIT", "AND", "ROL", "AND",
"RTI", "EOR", "DB ", "EOR", "MVP", "EOR", "LSR", "EOR",
"PHA", "EOR", "LSR", "PHK", "JMP", "EOR", "LSR", "EOR",
"BVC", "EOR", "EOR", "EOR", "MVN", "EOR", "LSR", "EOR",
"CLI", "EOR", "PHY", "TCD", "JMP", "EOR", "LSR", "EOR",
"RTS", "ADC", "PER", "ADC", "STZ", "ADC", "ROR", "ADC",
"PLA", "ADC", "ROR", "RTL", "JMP", "ADC", "ROR", "ADC",
"BVS", "ADC", "ADC", "ADC", "STZ", "ADC", "ROR", "ADC",
"SEI", "ADC", "PLY", "TDC", "JMP", "ADC", "ROR", "ADC",
"BRA", "STA", "BRL", "STA", "STY", "STA", "STX", "STA",
"DEY", "BIT", "TXA", "PHB", "STY", "STA", "STX", "STA",
"BCC", "STA", "STA", "STA", "STY", "STA", "STX", "STA",
"TYA", "STA", "TXS", "TXY", "STZ", "STA", "STZ", "STA",
"LDY", "LDA", "LDX", "LDA", "LDY", "LDA", "LDX", "LDA",
"TAY", "LDA", "TAX", "PLB", "LDY", "LDA", "LDX", "LDA",
"BCS", "LDA", "LDA", "LDA", "LDY", "LDA", "LDX", "LDA",
"CLV", "LDA", "TSX", "TYX", "LDY", "LDA", "LDX", "LDA",
"CPY", "CMP", "REP", "CMP", "CPY", "CMP", "DEC", "CMP",
"INY", "CMP", "DEX", "WAI", "CPY", "CMP", "DEC", "CMP",
"BNE", "CMP", "CMP", "CMP", "PEI", "CMP", "DEC", "CMP",
"CLD", "CMP", "PHX", "STP", "JML", "CMP", "DEC", "CMP",
"CPX", "SBC", "SEP", "SBC", "CPX", "SBC", "INC", "SBC",
"INX", "SBC", "NOP", "XBA", "CPX", "SBC", "INC", "SBC",
"BEQ", "SBC", "SBC", "SBC", "PEA", "SBC", "INC", "SBC",
"SED", "SBC", "PLX", "XCE", "JSR", "SBC", "INC", "SBC"
};
int AddrModes[256] = {
//0 1 2 3 4 5 6 7 8 9 A B C D E F
3, 10, 3, 19, 6, 6, 6, 12, 0, 1,24, 0, 14, 14, 14, 17, //0
4, 11, 9, 20, 6, 7, 7, 13, 0, 16,24, 0, 14, 15, 15, 18, //1
14, 10,17, 19, 6, 6, 6, 12, 0, 1,24, 0, 14, 14, 14, 17, //2
4, 11, 9, 20, 7, 7, 7, 13, 0, 16,24, 0, 15, 15, 15, 18, //3
0, 10, 3, 19, 25,6, 6, 12, 0, 1,24, 0, 14, 14, 14, 17, //4
4, 11, 9, 20, 25,7, 7, 13, 0, 16, 0, 0, 17, 15, 15, 18, //5
0, 10, 5, 19, 6, 6, 6, 12, 0, 1,24, 0, 21, 14, 14, 17, //6
4, 11, 9, 20, 7, 7, 7, 13, 0, 16, 0, 0, 23, 15, 15, 18, //7
4, 10, 5, 19, 6, 6, 6, 12, 0, 1, 0, 0, 14, 14, 14, 17, //8
4, 11, 9, 20, 7, 7, 8, 13, 0, 16, 0, 0, 14, 15, 15, 18, //9
2, 10, 2, 19, 6, 6, 6, 12, 0, 1, 0, 0, 14, 14, 14, 17, //A
4, 11, 9, 20, 7, 7, 8, 13, 0, 16, 0, 0, 15, 15, 16, 18, //B
2, 10, 3, 19, 6, 6, 6, 12, 0, 1, 0, 0, 14, 14, 14, 17, //C
4, 11, 9, 9, 0, 7, 7, 13, 0, 16, 0, 0, 22, 15, 15, 18, //D
2, 10, 3, 19, 6, 6, 6, 12, 0, 1, 0, 0, 14, 14, 14, 17, //E
4, 11, 9, 20,14, 7, 7, 13, 0, 16, 0, 0, 23, 15, 15, 18 //F
};
uint8 S9xOPrint (char *Line, uint8 Bank, uint16 Address)
{
uint8 S9xOpcode;
uint8 Operant[3];
uint16 Word;
uint8 Byte;
uint8 Size = 0;
char SByte;
short SWord;
#if 0
sprintf (Line, "%04X%04X%04X%04X%02X%04X%c%c%c%c%c%c%c%c%c%03d%03d",
Registers.A.W, Registers.X.W, Registers.Y.W,
Registers.D.W, Registers.DB, Registers.S.W,
CheckEmulation () ? 'E' : 'e',
CheckNegative () ? 'N' : 'n',
CheckOverflow () ? 'V' : 'v',
CheckMemory () ? 'M' : 'm',
CheckIndex () ? 'X' : 'x',
CheckDecimal () ? 'D' : 'd',
CheckIRQ () ? 'I' : 'i',
CheckZero () ? 'Z' : 'z',
CheckCarry () ? 'C' : 'c',
CPU.Cycles,
CPU.V_Counter);
return (0);
#else
uint32 Cycles = CPU.Cycles;
uint8 *WaitAddress = CPU.WaitAddress;
S9xOpcode = S9xGetByte ((Bank << 16) + Address);
sprintf (Line, "$%02X:%04X %02X ", Bank, Address, S9xOpcode);
Operant[0] = S9xGetByte ((Bank << 16) + Address + 1);
Operant[1] = S9xGetByte ((Bank << 16) + Address + 2);
Operant[2] = S9xGetByte ((Bank << 16) + Address + 3);
switch (AddrModes[S9xOpcode])
{
case 0:
//Implied
sprintf (Line, "%s %s", Line, S9xMnemonics[S9xOpcode]);
Size = 1;
break;
case 1:
//Immediate[MemoryFlag]
if (!CheckFlag (MemoryFlag))
{
//Accumulator 16 - Bit
sprintf (Line, "%s%02X %02X %s #$%02X%02X",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Size = 3;
}
else
{
//Accumulator 8 - Bit
sprintf (Line, "%s%02X %s #$%02X",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Size = 2;
}
break;
case 2:
//Immediate[IndexFlag]
if (!CheckFlag (IndexFlag))
{
//X / Y 16 - Bit
sprintf (Line, "%s%02X %02X %s #$%02X%02X",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Size = 3;
}
else
{
//X / Y 8 - Bit
sprintf (Line, "%s%02X %s #$%02X",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Size = 2;
}
break;
case 3:
//Immediate[Always 8 - Bit]
if (1)
{
//Always 8 - Bit
sprintf (Line, "%s%02X %s #$%02X",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Size = 2;
}
break;
case 4:
//Relative
sprintf (Line, "%s%02X %s $%02X",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
SByte = Operant[0];
Word = Address;
Word += SByte;
Word += 2;
sprintf (Line, "%-32s[$%04X]", Line, Word);
Size = 2;
break;
case 5:
//Relative Long
sprintf (Line, "%s%02X %02X %s $%02X%02X",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
SWord = (Operant[1] << 8) | Operant[0];
Word = Address;
Word += SWord;
Word += 3;
sprintf (Line, "%-32s[$%04X]", Line, Word);
Size = 3;
break;
case 6:
//Direct
sprintf (Line, "%s%02X %s $%02X",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += Registers.D.W;
sprintf (Line, "%-32s[$00:%04X]", Line, Word);
Size = 2;
break;
case 7:
//Direct indexed (with x)
sprintf (Line, "%s%02X %s $%02X,x",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += Registers.D.W;
Word += Registers.X.W;
sprintf (Line, "%-32s[$00:%04X]", Line, Word);
Size = 2;
break;
case 8:
//Direct indexed (with y)
sprintf (Line, "%s%02X %s $%02X,y",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += Registers.D.W;
Word += Registers.Y.W;
sprintf (Line, "%-32s[$00:%04X]", Line, Word);
Size = 2;
break;
case 9:
//Direct Indirect
sprintf (Line, "%s%02X %s ($%02X)",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += Registers.D.W;
Word = S9xGetWord (Word);
sprintf (Line, "%-32s[$%02X:%04X]", Line, Registers.DB, Word);
Size = 2;
break;
case 10:
//Direct Indexed Indirect
sprintf (Line, "%s%02X %s ($%02X,x)",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += Registers.D.W;
Word += Registers.X.W;
Word = S9xGetWord (Word);
sprintf (Line, "%-32s[$%02X:%04X]", Line, Registers.DB, Word);
Size = 2;
break;
case 11:
//Direct Indirect Indexed
sprintf (Line, "%s%02X %s ($%02X),y",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += Registers.D.W;
Word = S9xGetWord (Word);
Word += Registers.Y.W;
sprintf (Line, "%-32s[$%02X:%04X]", Line, Registers.DB, Word);
Size = 2;
break;
case 12:
//Direct Indirect Long
sprintf (Line, "%s%02X %s [$%02X]",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += Registers.D.W;
Byte = S9xGetByte (Word + 2);
Word = S9xGetWord (Word);
sprintf (Line, "%-32s[$%02X:%04X]", Line, Byte, Word);
Size = 2;
break;
case 13:
//Direct Indirect Indexed Long
sprintf (Line, "%s%02X %s [$%02X],y",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += Registers.D.W;
Byte = S9xGetByte (Word + 2);
Word = S9xGetWord (Word);
Word += Registers.Y.W;
sprintf (Line, "%-32s[$%02X:%04X]", Line, Byte, Word);
Size = 2;
break;
case 14:
//Absolute
sprintf (Line, "%s%02X %02X %s $%02X%02X",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
sprintf (Line, "%-32s[$%02X:%04X]", Line, Registers.DB, Word);
Size = 3;
break;
case 15:
//Absolute Indexed (With X)
sprintf (Line, "%s%02X %02X %s $%02X%02X,x",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
Word += Registers.X.W;
sprintf (Line, "%-32s[$%02X:%04X]", Line, Registers.DB, Word);
Size = 3;
break;
case 16:
//Absolute Indexed (With Y)
sprintf (Line, "%s%02X %02X %s $%02X%02X,y",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
Word += Registers.Y.W;
sprintf (Line, "%-32s[$%02X:%04X]", Line, Registers.DB, Word);
Size = 3;
break;
case 17:
//Absolute long
sprintf (Line, "%s%02X %02X %02X %s $%02X%02X%02X",
Line,
Operant[0],
Operant[1],
Operant[2],
S9xMnemonics[S9xOpcode],
Operant[2],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
sprintf (Line, "%-32s[$%02X:%04X]", Line, Operant[2], Word);
Size = 4;
break;
case 18:
//Absolute Indexed long
sprintf (Line, "%s%02X %02X %02X %s $%02X%02X%02X,x",
Line,
Operant[0],
Operant[1],
Operant[2],
S9xMnemonics[S9xOpcode],
Operant[2],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
Word += Registers.X.W;
sprintf (Line, "%-32s[$%02X:%04X]", Line, Operant[2], Word);
Size = 4;
break;
case 19:
//StackRelative
sprintf (Line, "%s%02X %s $%02X,s",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Registers.S.W;
Word += Operant[0];
sprintf (Line, "%-32s[$00:%04X]", Line, Word);
Size = 2;
break;
case 20:
//Stack Relative Indirect Indexed
sprintf (Line, "%s%02X %s ($%02X,s),y",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Registers.S.W;
Word += Operant[0];
Word = S9xGetWord (Word);
Word += Registers.Y.W;
sprintf (Line, "%-32s[$%02X:%04X]", Line, Registers.DB, Word);
Size = 2;
break;
case 21:
//Absolute Indirect
sprintf (Line, "%s%02X %02X %s ($%02X%02X)",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
Word = S9xGetWord (Word);
sprintf (Line, "%-32s[$%02X:%04X]", Line, Registers.PB, Word);
Size = 3;
break;
case 22:
//Absolute Indirect Long
sprintf (Line, "%s%02X %02X %s [$%02X%02X]",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
Byte = S9xGetByte (Word + 2);
Word = S9xGetWord (Word);
sprintf (Line, "%-32s[$%02X:%04X]", Line, Byte, Word);
Size = 3;
break;
case 23:
//Absolute Indexed Indirect
sprintf (Line, "%s%02X %02X %s ($%02X%02X,x)",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
Word += Registers.X.W;
Word = S9xGetWord (ICPU.ShiftedPB + Word);
sprintf (Line, "%-32s[$%02X:%04X]", Line, Registers.PB, Word);
Size = 3;
break;
case 24:
//Implied accumulator
sprintf (Line, "%s %s A", Line, S9xMnemonics[S9xOpcode]);
Size = 1;
break;
case 25:
// MVN/MVP SRC DST
sprintf (Line, "%s %s %02X %02X", Line, S9xMnemonics[S9xOpcode],
Operant[0], Operant[1]);
Size = 3;
break;
}
// XXX:
sprintf (Line, "%-44s A:%04X X:%04X Y:%04X D:%04X DB:%02X S:%04X P:%c%c%c%c%c%c%c%c%c HC:%03d VC:%03ld %02x",
Line, Registers.A.W, Registers.X.W, Registers.Y.W,
Registers.D.W, Registers.DB, Registers.S.W,
CheckEmulation () ? 'E' : 'e',
CheckNegative () ? 'N' : 'n',
CheckOverflow () ? 'V' : 'v',
CheckMemory () ? 'M' : 'm',
CheckIndex () ? 'X' : 'x',
CheckDecimal () ? 'D' : 'd',
CheckIRQ () ? 'I' : 'i',
CheckZero () ? 'Z' : 'z',
CheckCarry () ? 'C' : 'c',
Cycles,
CPU.V_Counter,
CPU.IRQActive);
CPU.Cycles = Cycles;
CPU.WaitAddress = WaitAddress;
return Size;
#endif
}
uint8 S9xSA1OPrint (char *Line, uint8 Bank, uint16 Address)
{
uint8 S9xOpcode;
uint8 Operant[3];
uint16 Word;
uint8 Byte;
uint8 Size = 0;
char SByte;
short SWord;
#if 0
sprintf (Line, "%04X%04X%04X%04X%02X%04X%c%c%c%c%c%c%c%c%c%03d%03d",
SA1Registers.A.W, SA1Registers.X.W, SA1Registers.Y.W,
SA1Registers.D.W, SA1Registers.DB, SA1Registers.S.W,
SA1CheckEmulation () ? 'E' : 'e',
SA1CheckNegative () ? 'N' : 'n',
SA1CheckOverflow () ? 'V' : 'v',
SA1CheckMemory () ? 'M' : 'm',
SA1CheckIndex () ? 'X' : 'x',
SA1CheckDecimal () ? 'D' : 'd',
SA1CheckIRQ () ? 'I' : 'i',
SA1CheckZero () ? 'Z' : 'z',
SA1CheckCarry () ? 'C' : 'c',
CPU.Cycles,
CPU.V_Counter);
return (0);
#else
S9xOpcode = S9xSA1GetByte ((Bank << 16) + Address);
sprintf (Line, "$%02X:%04X %02X ", Bank, Address, S9xOpcode);
Operant[0] = S9xSA1GetByte ((Bank << 16) + Address + 1);
Operant[1] = S9xSA1GetByte ((Bank << 16) + Address + 2);
Operant[2] = S9xSA1GetByte ((Bank << 16) + Address + 3);
switch (AddrModes[S9xOpcode])
{
case 0:
//Implied
sprintf (Line, "%s %s", Line, S9xMnemonics[S9xOpcode]);
Size = 1;
break;
case 1:
//Immediate[MemoryFlag]
if (!SA1CheckFlag (MemoryFlag))
{
//Accumulator 16 - Bit
sprintf (Line, "%s%02X %02X %s #$%02X%02X",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Size = 3;
}
else
{
//Accumulator 8 - Bit
sprintf (Line, "%s%02X %s #$%02X",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Size = 2;
}
break;
case 2:
//Immediate[IndexFlag]
if (!SA1CheckFlag (IndexFlag))
{
//X / Y 16 - Bit
sprintf (Line, "%s%02X %02X %s #$%02X%02X",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Size = 3;
}
else
{
//X / Y 8 - Bit
sprintf (Line, "%s%02X %s #$%02X",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Size = 2;
}
break;
case 3:
//Immediate[Always 8 - Bit]
if (1)
{
//Always 8 - Bit
sprintf (Line, "%s%02X %s #$%02X",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Size = 2;
}
break;
case 4:
//Relative
sprintf (Line, "%s%02X %s $%02X",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
SByte = Operant[0];
Word = Address;
Word += SByte;
Word += 2;
sprintf (Line, "%-32s[$%04X]", Line, Word);
Size = 2;
break;
case 5:
//Relative Long
sprintf (Line, "%s%02X %02X %s $%02X%02X",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
SWord = (Operant[1] << 8) | Operant[0];
Word = Address;
Word += SWord;
Word += 3;
sprintf (Line, "%-32s[$%04X]", Line, Word);
Size = 3;
break;
case 6:
//Direct
sprintf (Line, "%s%02X %s $%02X",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += SA1Registers.D.W;
sprintf (Line, "%-32s[$00:%04X]", Line, Word);
Size = 2;
break;
case 7:
//Direct indexed (with x)
sprintf (Line, "%s%02X %s $%02X,x",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += SA1Registers.D.W;
Word += SA1Registers.X.W;
sprintf (Line, "%-32s[$00:%04X]", Line, Word);
Size = 2;
break;
case 8:
//Direct indexed (with y)
sprintf (Line, "%s%02X %s $%02X,y",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += SA1Registers.D.W;
Word += SA1Registers.Y.W;
sprintf (Line, "%-32s[$00:%04X]", Line, Word);
Size = 2;
break;
case 9:
//Direct Indirect
sprintf (Line, "%s%02X %s ($%02X)",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += SA1Registers.D.W;
Word = S9xSA1GetWord (Word);
sprintf (Line, "%-32s[$%02X:%04X]", Line, SA1Registers.DB, Word);
Size = 2;
break;
case 10:
//Direct Indexed Indirect
sprintf (Line, "%s%02X %s ($%02X,x)",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += SA1Registers.D.W;
Word += SA1Registers.X.W;
Word = S9xSA1GetWord (Word);
sprintf (Line, "%-32s[$%02X:%04X]", Line, SA1Registers.DB, Word);
Size = 2;
break;
case 11:
//Direct Indirect Indexed
sprintf (Line, "%s%02X %s ($%02X),y",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += SA1Registers.D.W;
Word = S9xSA1GetWord (Word);
Word += SA1Registers.Y.W;
sprintf (Line, "%-32s[$%02X:%04X]", Line, SA1Registers.DB, Word);
Size = 2;
break;
case 12:
//Direct Indirect Long
sprintf (Line, "%s%02X %s [$%02X]",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += SA1Registers.D.W;
Byte = S9xSA1GetByte (Word + 2);
Word = S9xSA1GetWord (Word);
sprintf (Line, "%-32s[$%02X:%04X]", Line, Byte, Word);
Size = 2;
break;
case 13:
//Direct Indirect Indexed Long
sprintf (Line, "%s%02X %s [$%02X],y",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = Operant[0];
Word += SA1Registers.D.W;
Byte = S9xSA1GetByte (Word + 2);
Word = S9xSA1GetWord (Word);
Word += SA1Registers.Y.W;
sprintf (Line, "%-32s[$%02X:%04X]", Line, Byte, Word);
Size = 2;
break;
case 14:
//Absolute
sprintf (Line, "%s%02X %02X %s $%02X%02X",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
sprintf (Line, "%-32s[$%02X:%04X]", Line, SA1Registers.DB, Word);
Size = 3;
break;
case 15:
//Absolute Indexed (With X)
sprintf (Line, "%s%02X %02X %s $%02X%02X,x",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
Word += SA1Registers.X.W;
sprintf (Line, "%-32s[$%02X:%04X]", Line, SA1Registers.DB, Word);
Size = 3;
break;
case 16:
//Absolute Indexed (With Y)
sprintf (Line, "%s%02X %02X %s $%02X%02X,y",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
Word += SA1Registers.Y.W;
sprintf (Line, "%-32s[$%02X:%04X]", Line, SA1Registers.DB, Word);
Size = 3;
break;
case 17:
//Absolute long
sprintf (Line, "%s%02X %02X %02X %s $%02X%02X%02X",
Line,
Operant[0],
Operant[1],
Operant[2],
S9xMnemonics[S9xOpcode],
Operant[2],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
sprintf (Line, "%-32s[$%02X:%04X]", Line, Operant[2], Word);
Size = 4;
break;
case 18:
//Absolute Indexed long
sprintf (Line, "%s%02X %02X %02X %s $%02X%02X%02X,x",
Line,
Operant[0],
Operant[1],
Operant[2],
S9xMnemonics[S9xOpcode],
Operant[2],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
Word += SA1Registers.X.W;
sprintf (Line, "%-32s[$%02X:%04X]", Line, Operant[2], Word);
Size = 4;
break;
case 19:
//StackRelative
sprintf (Line, "%s%02X %s $%02X,s",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = SA1Registers.S.W;
Word += Operant[0];
sprintf (Line, "%-32s[$00:%04X]", Line, Word);
Size = 2;
break;
case 20:
//Stack Relative Indirect Indexed
sprintf (Line, "%s%02X %s ($%02X,s),y",
Line,
Operant[0],
S9xMnemonics[S9xOpcode],
Operant[0]);
Word = SA1Registers.S.W;
Word += Operant[0];
Word = S9xSA1GetWord (Word);
Word += SA1Registers.Y.W;
sprintf (Line, "%-32s[$%02X:%04X]", Line, SA1Registers.DB, Word);
Size = 2;
break;
case 21:
//Absolute Indirect
sprintf (Line, "%s%02X %02X %s ($%02X%02X)",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
Word = S9xSA1GetWord (Word);
sprintf (Line, "%-32s[$%02X:%04X]", Line, SA1Registers.PB, Word);
Size = 3;
break;
case 22:
//Absolute Indirect Long
sprintf (Line, "%s%02X %02X %s [$%02X%02X]",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
Byte = S9xSA1GetByte (Word + 2);
Word = S9xSA1GetWord (Word);
sprintf (Line, "%-32s[$%02X:%04X]", Line, Byte, Word);
Size = 3;
break;
case 23:
//Absolute Indexed Indirect
sprintf (Line, "%s%02X %02X %s ($%02X%02X,x)",
Line,
Operant[0],
Operant[1],
S9xMnemonics[S9xOpcode],
Operant[1],
Operant[0]);
Word = (Operant[1] << 8) | Operant[0];
Word += SA1Registers.X.W;
Word = S9xSA1GetWord (SA1.ShiftedPB + Word);
sprintf (Line, "%-32s[$%02X:%04X]", Line, SA1Registers.PB, Word);
Size = 3;
break;
case 24:
//Implied accumulator
sprintf (Line, "%s %s A", Line, S9xMnemonics[S9xOpcode]);
Size = 1;
break;
case 25:
// MVN/MVP SRC DST
sprintf (Line, "%s %s %02X %02X", Line, S9xMnemonics[S9xOpcode],
Operant[0], Operant[1]);
Size = 3;
break;
}
sprintf (Line, "%-44s A:%04X X:%04X Y:%04X D:%04X DB:%02X S:%04X P:%c%c%c%c%c%c%c%c%c HC:%03ld VC:%03ld",
Line, SA1Registers.A.W, SA1Registers.X.W, SA1Registers.Y.W,
SA1Registers.D.W, SA1Registers.DB, SA1Registers.S.W,
SA1CheckEmulation () ? 'E' : 'e',
SA1CheckNegative () ? 'N' : 'n',
SA1CheckOverflow () ? 'V' : 'v',
SA1CheckMemory () ? 'M' : 'm',
SA1CheckIndex () ? 'X' : 'x',
SA1CheckDecimal () ? 'D' : 'd',
SA1CheckIRQ () ? 'I' : 'i',
SA1CheckZero () ? 'Z' : 'z',
SA1CheckCarry () ? 'C' : 'c',
CPU.Cycles,
CPU.V_Counter);
return Size;
#endif
}
/**********************************************************************************************/
/* DPrint() */
/* This function prints a line in the debug listbox and deletes upperlines if needed */
/**********************************************************************************************/
void DPrint (char *Line)
{
printf ("%s\n", Line);
}
/**********************************************************************************************/
/* GetNumber() */
/* This function gets a number from a debug command */
/**********************************************************************************************/
int GetNumber (char *Line, uint16 * Number)
{
int i;
if (sscanf (Line, " #%d", &i) == 1)
{
*Number = i;
return (1);
}
return (-1);
}
/**********************************************************************************************/
/* GetStartAddress() */
/* This function gets a starting address from a debug command */
/**********************************************************************************************/
short GetStartAddress (char *Line, uint8 *Bank, uint32 *Address)
{
int a, b;
if (sscanf (Line + 1, " $%x:%x", &b, &a) != 2)
return (-1);
*Bank = b;
*Address = a;
return (1);
}
/**********************************************************************************************/
/* ProcessDebugCommand() */
/* This function processes a debug command */
/**********************************************************************************************/
void ProcessDebugCommand (char *Line)
{
uint8 Bank = Registers.PB;
uint32 Address = CPU.PC - CPU.PCBase;
uint16 Hold;
uint16 Number;
char String [512];
short ErrorCode;
if (strcasecmp (Line, "cheat") == 0)
{
S9xStartCheatSearch (&Cheat);
printf ("Cheat Search Started\n");
return;
}
if (strcasecmp (Line, "less") == 0)
{
S9xSearchForChange (&Cheat, S9X_LESS_THAN, S9X_8_BITS, FALSE, TRUE);
printf ("Recorded all values that have decreased\n");
return;
}
if (strcasecmp (Line, "print") == 0)
{
printf ("Cheat search results:\n");
S9xOutputCheatSearchResults (&Cheat);
return;
}
if (strncasecmp (Line, "constant", 8) == 0)
{
uint32 Byte;
if (sscanf (&Line [8], "%x %x", &Address, &Byte) == 2)
S9xAddCheat (TRUE, TRUE, Address, Byte);
return;
}
if (strncasecmp (Line, "dump", 4) == 0)
{
int Count;
if (sscanf (&Line [4], "%x %d", &Address, &Count) == 2)
{
sprintf (String, "%06x%05d.sd2", Address, Count);
FILE *fs = fopen (String, "wb");
if (fs)
{
int i;
for (i = 0; i < Count; i++)
putc (S9xGetByte (Address + i), fs);
fclose (fs);
}
else
printf ("Can't open %s for writing\n", String);
}
else
printf ("Usage: dump start_address_in_hex count_in_decimal\n");
return;
}
if (Line[0] == 'i')
{
printf ("Vectors:\n");
sprintf (String, " 8 Bit 16 Bit ");
DPrint (String);
sprintf (String, "ABT $00:%04X|$00:%04X", S9xGetWord (0xFFF8), S9xGetWord (0xFFE8));
DPrint (String);
sprintf (String, "BRK $00:%04X|$00:%04X", S9xGetWord (0xFFFE), S9xGetWord (0xFFE6));
DPrint (String);
sprintf (String, "COP $00:%04X|$00:%04X", S9xGetWord (0xFFF4), S9xGetWord (0xFFE4));
DPrint (String);
sprintf (String, "IRQ $00:%04X|$00:%04X", S9xGetWord (0xFFFE), S9xGetWord (0xFFEE));
DPrint (String);
sprintf (String, "NMI $00:%04X|$00:%04X", S9xGetWord (0xFFFA), S9xGetWord (0xFFEA));
DPrint (String);
sprintf (String, "RES $00:%04X", S9xGetWord (0xFFFC));
DPrint (String);
}
if (strncmp (Line, "ai", 2) == 0)
{
printf ("APU vectors:");
for (int i = 0; i < 0x40; i += 2)
{
if (i % 16 == 0)
printf ("\n%04x ", 0xffc0 + i);
printf ("%04x ", APU.ExtraRAM [i]);
}
printf ("\n");
}
if (Line[0] == 's')
{
CPU.PC += S9xOPrint (String, Bank, Address);
Bank = Registers.PB;
Address = CPU.PC - CPU.PCBase;
Line[0] = 'r';
}
if (Line[0] == 'z')
{
uint16 *p = (uint16 *) &Memory.VRAM [PPU.BG[2].SCBase << 1];
for (int l = 0; l < 32; l++)
{
for (int c = 0; c < 32; c++, p++)
{
printf ("%04x,", *p++);
}
printf ("\n");
}
}
if (*Line == 'c')
{
printf ("Colours:\n");
for (int i = 0; i < 256; i++)
{
printf ("%02x%02x%02x ", PPU.CGDATA[i] & 0x1f,
(PPU.CGDATA[i] >> 5) & 0x1f,
(PPU.CGDATA[i] >> 10) & 0x1f);
}
printf ("\n");
}
if (*Line == 'S')
{
int SmallWidth, LargeWidth;
int SmallHeight, LargeHeight;
switch ((Memory.FillRAM[0x2101] >> 5) & 7)
{
case 0:
SmallWidth = SmallHeight = 8;
LargeWidth = LargeHeight = 16;
break;
case 1:
SmallWidth = SmallHeight = 8;
LargeWidth = LargeHeight = 32;
break;
case 2:
SmallWidth = SmallHeight = 8;
LargeWidth = LargeHeight = 64;
break;
case 3:
SmallWidth = SmallHeight = 16;
LargeWidth = LargeHeight = 32;
break;
case 4:
SmallWidth = SmallHeight = 16;
LargeWidth = LargeHeight = 64;
break;
default:
case 5:
SmallWidth = SmallHeight = 32;
LargeWidth = LargeHeight = 64;
break;
case 6:
SmallWidth = 16; SmallHeight = 32;
LargeWidth = 32; LargeHeight = 64;
break;
case 7:
SmallWidth = 16; SmallHeight = 32;
LargeWidth = LargeHeight = 32;
break;
}
printf ("Sprites: Small: %dx%d, Large: %dx%d, OAMAddr: 0x%04x, OBJNameBase: 0x%04x, OBJNameSelect: 0x%04x, First: %d\n",
SmallWidth,SmallHeight, LargeWidth,LargeHeight, PPU.OAMAddr,
PPU.OBJNameBase, PPU.OBJNameSelect, PPU.FirstSprite);
// for (int p = 0; p < 4; p++)
// {
// int c = 0;
// int i;
// for (i = 0; GFX.OBJList [i] >= 0; i++)
// {
// if (PPU.OBJ[GFX.OBJList [i]].Priority == p)
// c++;
// }
// printf ("Priority %d: %03d, ", p, c);
// }
// printf ("\n");
for (int i = 0; i < 128; i++)
{
printf ("X:%3d Y:%3d %c%c%d%c ",
PPU.OBJ[i].HPos,
PPU.OBJ[i].VPos,
PPU.OBJ[i].VFlip ? 'V' : 'v',
PPU.OBJ[i].HFlip ? 'H' : 'h',
PPU.OBJ[i].Priority,
PPU.OBJ[i].Size ? 'S' : 's');
if (i % 4 == 3)
printf ("\n");
}
}
if (*Line == 'T')
{
if (Line [1] == 'S')
{
SA1.Flags ^= TRACE_FLAG;
if (SA1.Flags & TRACE_FLAG)
{
printf ("SA1 CPU instruction tracing enabled.\n");
if (trace2 == NULL)
trace2 = fopen ("trace_sa1.log", "wb");
}
else
{
printf ("SA1 CPU instruction tracing disabled.\n");
fclose (trace2);
trace2 = NULL;
}
}
else
{
CPU.Flags ^= TRACE_FLAG;
if (CPU.Flags & TRACE_FLAG)
{
printf ("CPU instruction tracing enabled.\n");
if (trace == NULL)
trace = fopen ("trace.log", "wb");
}
else
{
printf ("CPU instruction tracing disabled.\n");
fclose (trace);
trace = NULL;
}
}
}
if (*Line == 'A')
{
APU.Flags ^= TRACE_FLAG;
extern FILE *apu_trace;
if (APU.Flags & TRACE_FLAG)
{
#ifdef SPCTOOL
printf ("ENABLED\n");
_SetSPCDbg (TraceSPC); //Install debug handler
#endif
if (apu_trace == NULL)
apu_trace = fopen ("aputrace.log", "wb");
}
else
{
#ifdef SPCTOOL
_SetSPCDbg (NULL);
#endif
if (apu_trace)
{
fclose (apu_trace);
apu_trace = NULL;
}
}
printf ("APU tracing %s\n", APU.Flags & TRACE_FLAG ? "enabled" :
"disabled");
}
if (*Line == 'B')
{
Settings.TraceSoundDSP ^= 1;
printf ("Sound DSP register tracing %s\n", Settings.TraceSoundDSP ?
"enabled" : "disabled");
S9xOpenCloseSoundTracingFile (Settings.TraceSoundDSP);
}
if (*Line == 'b')
S9xPrintAPUState ();
if (*Line == 'C')
{
printf ("SPC700 sample addresses at 0x%04x:\n", APU.DSP [APU_DIR] << 8);
for (int i = 0; i < 256; i++)
{
uint8 *dir = IAPU.RAM +
(((APU.DSP [APU_DIR] << 8) +
i * 4) & 0xffff);
int addr = *dir + (*(dir + 1) << 8);
int addr2 = *(dir + 2) + (*(dir + 3) << 8);
printf ("%04X %04X;", addr, addr2);
if (i % 8 == 7)
printf ("\n");
}
}
if (*Line == 'R')
{
S9xReset ();
printf ("SNES reset.\n");
CPU.Flags |= DEBUG_MODE_FLAG;
}
if (strncmp (Line, "ad", 2) == 0)
{
int Count = 16;
Address = 0;
if (sscanf (Line+2, "%x,%x", &Address, &Count) != 2)
{
if (sscanf (Line + 2, "%x", &Address) == 1)
Count = 16;
}
printf ("APU RAM dump:\n");
for (int l = 0; l < Count; l += 16)
{
printf ("%04X ", Address);
for (int i = 0; i < 16; i++)
printf ("%02X ", IAPU.RAM [Address++]);
printf ("\n");
}
*Line = 0;
}
if (*Line == 'a')
{
printf ("APU in-ports: %02X %02X %02X %02X\n",
IAPU.RAM [0xF4], IAPU.RAM [0xF5], IAPU.RAM [0xF6], IAPU.RAM [0xF7]);
#ifdef SPCTOOL
printf ("APU out-ports: %02X %02X %02X %02X\n",
_SPCOutP [0], _SPCOutP [1], _SPCOutP [2], _SPCOutP [3]);
#else
printf ("APU out-ports: %02X %02X %02X %02X\n",
APU.OutPorts [0], APU.OutPorts [1], APU.OutPorts [2], APU.OutPorts [3]);
#endif
printf ("ROM/RAM switch: %s\n", (IAPU.RAM [0xf1] & 0x80) ? "ROM" : "RAM");
for (int i = 0; i < 3; i++)
if (APU.TimerEnabled [i])
printf ("Timer%d enabled, Value: 0x%03X, 4-bit: 0x%02X, Target: 0x%03X\n",
i, APU.Timer [i], IAPU.RAM [0xfd + i], APU.TimerTarget [i]);
}
if (*Line == 'P')
{
Settings.TraceDSP = !Settings.TraceDSP;
printf ("DSP tracing %s\n", Settings.TraceDSP ? "enabled" : "disabled");
}
if (Line[0] == 'p')
{
S9xBreakpoint[5].Enabled = FALSE;
Address += S9xOPrint (String, Bank, Address);
if (strncmp (&String[18], "JMP", 3) != 0 &&
strncmp (&String[18], "JML", 3) != 0 &&
strncmp (&String[18], "RT", 2) != 0 &&
strncmp (&String[18], "BRA", 3))
{
S9xBreakpoint[5].Enabled = TRUE;
S9xBreakpoint[5].Bank = Bank;
S9xBreakpoint[5].Address = Address;
}
else
{
CPU.Flags |= SINGLE_STEP_FLAG;
CPU.Flags &= ~DEBUG_MODE_FLAG;
}
}
if (Line[0] == 'b')
{
if (Line[1] == 's')
{
GetNumber (Line + 2, &Hold);
if (Hold > 4)
Hold = 0;
if (Hold < 5)
if (GetStartAddress (Line + 5, &Bank, &Address) == -1)
{
//Clear S9xBreakpoint
S9xBreakpoint[Hold].Enabled = FALSE;
}
else
{
//Set S9xBreakpoint
S9xBreakpoint[Hold].Enabled = TRUE;
S9xBreakpoint[Hold].Bank = Bank;
S9xBreakpoint[Hold].Address = Address;
CPU.Flags |= BREAK_FLAG;
}
Line = "bv";
}
if (Line[1] == 'v')
{
Number = 0;
if (GetNumber (Line + 2, &Number) == -1 &&
Number < 5)
{
//Show All Breakpoints
DPrint ("Breakpoints:");
for (Number = 0; Number != 5; Number++)
{
if (S9xBreakpoint[Number].Enabled)
sprintf (String, "%i @ $%02X:%04X", Number, S9xBreakpoint[Number].Bank, S9xBreakpoint[Number].Address);
else
sprintf (String, "%i @ Disabled", Number);
DPrint (String);
}
}
else
{
//Show selected S9xBreakpoint
DPrint ("Breakpoint:");
if (S9xBreakpoint[Number].Enabled)
sprintf (String, "%i @ $%02X:%04X", Number, S9xBreakpoint[Number].Bank, S9xBreakpoint[Number].Address);
else
sprintf (String, "%i @ Disabled", Number);
DPrint (String);
}
}
}
if (Line[0] == '?' || strcasecmp (Line, "help") == 0)
{
for (short Counter = 0; HelpMessage[Counter] != NULL; Counter++)
DPrint (HelpMessage[Counter]);
}
if (Line[0] == 't')
{
CPU.Flags |= SINGLE_STEP_FLAG;
CPU.Flags &= ~DEBUG_MODE_FLAG;
}
if (Line[0] == 'f')
{
CPU.Flags |= FRAME_ADVANCE_FLAG;
CPU.Flags &= ~DEBUG_MODE_FLAG;
// Render this frame
IPPU.RenderThisFrame = TRUE;
IPPU.FrameSkip = 0;
if (sscanf (&Line [1], "%d", &ICPU.FrameAdvanceCount) != 1)
ICPU.Frame = 0;
}
if (Line[0] == 'g')
{
S9xBreakpoint[5].Enabled = FALSE;
int i;
bool8 found = FALSE;
for (i = 0; i < 5; i++)
{
if (S9xBreakpoint[i].Enabled)
{
found = TRUE;
if (S9xBreakpoint[i].Bank == Registers.PB &&
S9xBreakpoint[i].Address == CPU.PC - CPU.PCBase)
{
S9xBreakpoint[i].Enabled = 2;
break;
}
}
}
if (!found)
CPU.Flags &= ~BREAK_FLAG;
ErrorCode = GetStartAddress (Line, &Bank, &Address);
if (ErrorCode == 1)
{
S9xBreakpoint[5].Enabled = TRUE;
S9xBreakpoint[5].Bank = Bank;
S9xBreakpoint[5].Address = Address;
CPU.Flags |= BREAK_FLAG;
}
CPU.Flags &= ~DEBUG_MODE_FLAG;
}
if (*Line == 'D')
{
Settings.TraceDMA = !Settings.TraceDMA;
printf ("DMA tracing %s\n", Settings.TraceDMA ? "enabled" : "disabled");
}
if (*Line == 'V')
{
Settings.TraceVRAM = !Settings.TraceVRAM;
printf ("Non-DMA VRAM write tracing %s\n", Settings.TraceVRAM ? "enabled" : "disabled");
}
if (*Line == 'H')
{
Settings.TraceHDMA = !Settings.TraceHDMA;
printf ("H-DMA tracing %s\n", Settings.TraceHDMA ? "enabled" : "disabled");
}
if (*Line == 'U')
{
Settings.TraceUnknownRegisters = !Settings.TraceUnknownRegisters;
printf ("Unknown registers read/write tracing %s\n",
Settings.TraceUnknownRegisters ? "enabled" : "disabled");
}
if (Line[0] == 'd')
{
int CLine;
int CByte;
uint32 Cycles = CPU.Cycles;
uint8 MemoryByte;
if (Debug.Dump.Bank != 0 || Debug.Dump.Address != 0)
{
Bank = Debug.Dump.Bank;
Address = Debug.Dump.Address;
}
ErrorCode = GetStartAddress (Line, &Bank, &Address);
for (CLine = 0; CLine != 10; CLine++)
{
sprintf (String, "$%02X:%04X", Bank, Address);
for (CByte = 0; CByte != 16; CByte++)
{
if (Address + CByte == 0x2140 ||
Address + CByte == 0x2141 ||
Address + CByte == 0x2142 ||
Address + CByte == 0x2143 ||
Address + CByte == 0x4210)
{
MemoryByte = 0;
}
else
{
MemoryByte = S9xGetByte ((Bank << 16) + Address + CByte);
}
sprintf (String, "%s %02X", String, MemoryByte);
}
sprintf (String, "%s-", String);
for (CByte = 0; CByte != 16; CByte++)
{
if (Address + CByte == 0x2140 ||
Address + CByte == 0x2141 ||
Address + CByte == 0x2142 ||
Address + CByte == 0x2143 ||
Address + CByte == 0x4210)
{
MemoryByte = 0;
}
else
{
MemoryByte = S9xGetByte ((Bank << 16) + Address + CByte);
}
if (MemoryByte < 32 || MemoryByte >= 127)
MemoryByte = '?';
sprintf (String, "%s%c", String, MemoryByte);
}
Address += 16;
DPrint (String);
}
Debug.Dump.Bank = Bank;
Debug.Dump.Address = Address;
CPU.Cycles = Cycles;
}
if (*Line == 'q')
S9xExit ();
if (*Line == 'W')
WhatsMissing ();
if (*Line == 'w')
WhatsUsed ();
if (Line[0] == 'r')
{
#if 0
sprintf (String,
"A[%04X] X[%04X] Y[%04X] S[%04X] D[%04X] DB[%02X] P[%02X] F[%s %s %s %s %s %s %s %s / %s]",
Registers.A.W,
Registers.X.W,
Registers.Y.W,
Registers.S.W,
Registers.D.W,
Registers.DB,
Registers.PL,
(Registers.P.W & 128) != 0 ? "N" : "n",
(Registers.P.W & 64) != 0 ? "V" : "v",
(Registers.P.W & 32) != 0 ? "M" : "m",
(Registers.P.W & 16) != 0 ? "X" : "x",
(Registers.P.W & 8) != 0 ? "D" : "d",
(Registers.P.W & 4) != 0 ? "I" : "i",
(Registers.P.W & 2) != 0 ? "Z" : "z",
(Registers.P.W & 1) != 0 ? "C" : "c",
(Registers.P.W & 256) != 0 ? "E" : "e");
DPrint (String);
#endif
S9xOPrint (String, Bank, Address);
DPrint (String);
}
if (Line[0] == 'u')
{
if (Debug.Unassemble.Bank != 0 || Debug.Unassemble.Address != 0)
{
Bank = Debug.Unassemble.Bank;
Address = Debug.Unassemble.Address;
}
ErrorCode = GetStartAddress (Line, &Bank, &Address);
for (short Counter = 0; Counter != 10; Counter++)
{
Address += S9xOPrint (String, Bank, Address);
DPrint (String);
}
Debug.Unassemble.Bank = Bank;
Debug.Unassemble.Address = Address;
}
DPrint ("");
return;
}
static void PrintWindow (uint8 * a)
{
for (int i = 0; i < 6; i++)
if (a[i])
switch (i)
{
case 0:
printf ("Background 0, ");
break;
case 1:
printf ("Background 1, ");
break;
case 2:
printf ("Background 2, ");
break;
case 3:
printf ("Background 3, ");
break;
case 4:
printf ("Objects, ");
break;
case 5:
printf ("Colour window, ");
break;
}
}
static char *ClipFn (int logic)
{
switch (logic)
{
case CLIP_OR:
return ("OR");
case CLIP_AND:
return ("AND");
case CLIP_XOR:
return ("XOR");
case CLIP_XNOR:
return ("XNOR");
default:
return ("???");
}
}
static void WhatsUsed ()
{
printf ("V-line: %ld, H-Pos: %ld\n", CPU.V_Counter, CPU.Cycles);
printf ("Screen mode: %d, ", PPU.BGMode);
if (PPU.BGMode <= 1 && (Memory.FillRAM [0x2105] & 8))
printf ("(BG#2 Priority)");
printf ("Brightness: %d", PPU.Brightness);
if (Memory.FillRAM[0x2100] & 0x80)
printf (" (screen blanked)");
printf ("\n");
if (Memory.FillRAM[0x2133] & 1)
printf ("Interlace, ");
if (Memory.FillRAM[0x2133] & 4)
printf ("240 line visible, ");
if (Memory.FillRAM[0x2133] & 8)
printf ("Pseudo 512 pixels horizontal resolution, ");
if (Memory.FillRAM[0x2133] & 0x40)
printf ("Mode 7 priority per pixel, ");
printf ("\n");
if (PPU.BGMode == 7 && (Memory.FillRAM[0x211a] & 3))
printf ("Mode 7 flipping, ");
if (PPU.BGMode == 7)
printf ("Mode 7 screen repeat: %d,", (Memory.FillRAM[0x211a] & 0xc0) >> 6);
if (Memory.FillRAM[0x2130] & 1)
printf ("32K colour mode, ");
if (PPU.BGMode == 7)
{
// Sign extend 13 bit values to 16 bit values...
if (PPU.CentreX & (1 << 12))
PPU.CentreX |= 0xe000;
if (PPU.CentreY & (1 << 12))
PPU.CentreY |= 0xe000;
printf ("\nMatrix A: %.3f, B: %.3f, C: %.3f, D: %.3f, Centre X: %d Y:%d\n",
(double) PPU.MatrixA / 256, (double) PPU.MatrixB / 256,
(double) PPU.MatrixC / 256, (double) PPU.MatrixD / 256,
PPU.CentreX, PPU.CentreY);
}
if ((Memory.FillRAM[0x2106] & 0xf0) && (Memory.FillRAM[0x2106] & 0x0f))
{
printf ("\nMosaic effect(%d) on ", PPU.Mosaic);
for (int i = 0; i < 4; i++)
if (Memory.FillRAM[0x2106] & (1 << i))
printf ("BG%d,", i);
printf (",");
}
if (PPU.HVBeamCounterLatched)
printf ("V and H beam pos latched, ");
if (Memory.FillRAM[0x4200] & 0x20)
printf ("V-IRQ enabled at %d\n", PPU.IRQVBeamPos);
if (Memory.FillRAM[0x4200] & 0x10)
printf ("H-IRQ enabled at %d\n", PPU.IRQHBeamPos);
if (Memory.FillRAM[0x4200] & 0x80)
printf ("V-blank NMI enabled\n");
int i;
for (i = 0; i < 8; i++)
{
if (missing.hdma_this_frame & (1 << i))
{
printf ("H-DMA %d [%d] 0x%02X%04X->0x21%02X %s %s 0x%02X%04X %s addressing\n",
i, DMA[i].TransferMode,
DMA[i].ABank, DMA[i].AAddress, DMA[i].BAddress,
DMA[i].AAddressDecrement ? "dec" : "inc",
DMA[i].Repeat ? "repeat" : "continue",
DMA[i].IndirectBank, DMA[i].IndirectAddress,
DMA[i].HDMAIndirectAddressing ? "indirect" : "absolute");
}
}
for (i = 0; i < 8; i++)
{
if (missing.dma_this_frame & (1 << i))
{
printf ("DMA %d %d 0x%02X%04X->0x21%02X Num: %d %s\n",
i, DMA[i].TransferMode, DMA[i].ABank, DMA[i].AAddress,
DMA[i].BAddress, DMA[i].TransferBytes,
DMA[i].AAddressFixed ? "fixed" :
(DMA[i].AAddressDecrement ? "dec" : "inc"));
}
}
printf ("VRAM write address: 0x%04x(%s), Full Graphic: %d, Address inc: %d\n",
PPU.VMA.Address,
PPU.VMA.High ? "Byte" : "Word",
PPU.VMA.FullGraphicCount, PPU.VMA.Increment);
for (i = 0; i < 4; i++)
{
printf ("BG%d: VOffset:%d, HOffset:%d, W:%d, H:%d, TS:%d, BA:0x%04x, TA:0x%04X\n",
i, PPU.BG[i].VOffset, PPU.BG[i].HOffset,
(PPU.BG[i].SCSize & 1) * 32 + 32,
(PPU.BG[i].SCSize & 2) * 16 + 32,
PPU.BG[i].BGSize * 8 + 8,
PPU.BG[i].SCBase,
PPU.BG[i].NameBase);
}
char *s = "";
switch ((Memory.FillRAM [0x2130] & 0xc0) >> 6)
{
case 0: s = "always on"; break;
case 1: s = "inside"; break;
case 2: s = "outside"; break;
case 3: s = "always off"; break;
}
printf ("Main screen (%s): ", s);
for (i = 0; i < 5; i++)
if (Memory.FillRAM[0x212c] & (1 << i))
switch (i)
{
case 0:
printf ("BG0,");
break;
case 1:
printf ("BG1,");
break;
case 2:
printf ("BG2,");
break;
case 3:
printf ("BG3,");
break;
case 4:
printf ("OBJ,");
break;
}
switch ((Memory.FillRAM [0x2130] & 0x30) >> 4)
{
case 0: s = "always on"; break;
case 1: s = "inside"; break;
case 2: s = "outside"; break;
case 3: s = "always off"; break;
}
printf ("\nSub-screen (%s): ", s);
for (i = 0; i < 5; i++)
if (Memory.FillRAM[0x212d] & (1 << i))
switch (i)
{
case 0:
printf ("BG0,");
break;
case 1:
printf ("BG1,");
break;
case 2:
printf ("BG2,");
break;
case 3:
printf ("BG3,");
break;
case 4:
printf ("OBJ,");
break;
}
printf ("\n");
if ((Memory.FillRAM[0x2131] & 0x3f))
{
if (Memory.FillRAM[0x2131] & 0x80)
{
if (Memory.FillRAM[0x2130] & 0x02)
printf ("Subscreen subtract");
else
printf ("Fixed colour subtract");
}
else
{
if (Memory.FillRAM[0x2130] & 0x02)
printf ("Subscreen addition");
else
printf ("Fixed colour addition");
}
if (Memory.FillRAM [0x2131] & 0x40)
printf ("(half):");
else
printf (":");
for (i = 0; i < 6; i++)
if (Memory.FillRAM[0x2131] & (1 << i))
{
switch (i)
{
case 0:
printf ("BG0,");
break;
case 1:
printf ("BG1,");
break;
case 2:
printf ("BG2,");
break;
case 3:
printf ("BG3,");
break;
case 4:
printf ("OBJ,");
break;
case 5:
printf ("BACK,");
break;
}
}
printf ("\n");
}
printf ("\nWindow 1 (%d, %d, %02x, %02x): ", PPU.Window1Left,
PPU.Window1Right, Memory.FillRAM [0x212e], Memory.FillRAM [0x212f]);
for (i = 0; i < 6; i++)
if (PPU.ClipWindow1Enable [i])
switch (i)
{
case 0:
printf ("BG0(%s-%s),", PPU.ClipWindow1Inside [i] ? "I" : "O",
ClipFn (PPU.ClipWindowOverlapLogic[0]));
break;
case 1:
printf ("BG1(%s-%s),", PPU.ClipWindow1Inside [i] ? "I" : "O",
ClipFn (PPU.ClipWindowOverlapLogic[1]));
break;
case 2:
printf ("BG2(%s-%s),", PPU.ClipWindow1Inside [i] ? "I" : "O",
ClipFn (PPU.ClipWindowOverlapLogic[2]));
break;
case 3:
printf ("BG3(%s-%s),", PPU.ClipWindow1Inside [i] ? "I" : "O",
ClipFn (PPU.ClipWindowOverlapLogic[3]));
break;
case 4:
printf ("OBJ(%s-%s),", PPU.ClipWindow1Inside [i] ? "I" : "O",
ClipFn (PPU.ClipWindowOverlapLogic[4]));
break;
case 5:
printf ("COL(%s-%s)", PPU.ClipWindow1Inside [i] ? "I" : "O",
ClipFn (PPU.ClipWindowOverlapLogic[5]));
break;
}
printf ("\nWindow 2 (%d, %d): ", PPU.Window2Left,
PPU.Window2Right);
for (i = 0; i < 6; i++)
if (PPU.ClipWindow2Enable [i])
switch (i)
{
case 0:
printf ("BG0(%s),", PPU.ClipWindow2Inside [i] ? "I" : "O");
break;
case 1:
printf ("BG1(%s),", PPU.ClipWindow2Inside [i] ? "I" : "O");
break;
case 2:
printf ("BG2(%s),", PPU.ClipWindow2Inside [i] ? "I" : "O");
break;
case 3:
printf ("BG3(%s),", PPU.ClipWindow2Inside [i] ? "I" : "O");
break;
case 4:
printf ("OBJ(%s),", PPU.ClipWindow2Inside [i] ? "I" : "O");
break;
case 5:
printf ("COL(%s)", PPU.ClipWindow2Inside [i] ? "I" : "O");
break;
}
printf ("\nFixed colour: %02x%02x%02x\n", PPU.FixedColourRed,
PPU.FixedColourGreen, PPU.FixedColourBlue);
}
static void WhatsMissing ()
{
printf ("Processor: ");
if (missing.emulate6502)
printf ("emulation mode, ");
if (missing.decimal_mode)
printf ("decimal mode,");
if (missing.mv_8bit_index)
printf ("MVP/MVN with 8bit index registers and XH or YH > 0,");
if (missing.mv_8bit_acc)
printf ("MVP/MVN with 8bit accumulator > 255");
printf ("\nScreen modes used:");
int i;
for (i = 0; i < 8; i++)
if (missing.modes[i])
printf (" %d,", i);
printf ("\n");
if (missing.interlace)
printf ("Interlace, ");
if (missing.pseudo_512)
printf ("Pseudo 512 pixels horizontal resolution, ");
if (missing.lines_239)
printf ("240 lines visible,");
if (missing.sprite_double_height)
printf ("double-hight sprites,");
printf ("\n");
if (missing.mode7_fx)
printf ("Mode 7 rotation/scaling, ");
if (missing.matrix_read)
printf ("Mode 7 read matrix registers, ");
if (missing.mode7_flip)
printf ("Mode 7 flipping, ");
if (missing.mode7_bgmode)
printf ("Mode 7 priority per pixel, ");
if (missing.direct)
printf ("Direct 32000 colour mode");
printf ("\n");
if (missing.mosaic)
printf ("Mosaic effect, ");
if (missing.subscreen)
printf ("Subscreen enabled, ");
if (missing.subscreen_add)
printf ("Subscreen colour add, ");
if (missing.subscreen_sub)
printf ("Subscreen colour subtract, ");
if (missing.fixed_colour_add)
printf ("Fixed colour add, ");
if (missing.fixed_colour_sub)
printf ("Fixed colour subtract");
printf ("\n");
printf ("Window 1 enabled on:");
PrintWindow (missing.window1);
printf ("\nWindow 2 enabled on:");
PrintWindow (missing.window2);
printf ("\n");
if (missing.bg_offset_read)
printf ("BG offset read, ");
if (missing.oam_address_read)
printf ("OAM address read,");
if (missing.sprite_priority_rotation)
printf ("Sprite priority rotation, ");
if (missing.fast_rom)
printf ("Fast 3.58MHz ROM access enabled, ");
if (missing.matrix_multiply)
printf ("Matrix multiply 16bit by 8bit used");
printf ("\n");
if (missing.virq)
printf ("V-position IRQ used at line %d, ", missing.virq_pos);
if (missing.hirq)
printf ("H-position IRQ used at position %d, ", missing.hirq_pos);
printf ("\n");
if (missing.h_v_latch)
printf ("H and V-Pos latched, ");
if (missing.h_counter_read)
printf ("H-Pos read, ");
if (missing.v_counter_read)
printf ("V-Pos read");
printf ("\n");
if (missing.oam_read)
printf ("OAM read, ");
if (missing.vram_read)
printf ("VRAM read, ");
if (missing.cgram_read)
printf ("CG-RAM read, ");
if (missing.wram_read)
printf ("WRAM read, ");
if (missing.dma_read)
printf ("DMA read,");
if (missing.vram_inc)
printf ("VRAM inc: %d,", missing.vram_inc);
if (missing.vram_full_graphic_inc)
printf ("VRAM full graphic inc: %d,", missing.vram_full_graphic_inc);
printf ("\n");
for (i = 0; i < 8; i++)
{
if (missing.hdma[i].used)
{
printf ("HDMA %d, 0x%02X%04X->0x21%02X %s ", i,
missing.hdma[i].abus_bank, missing.hdma[i].abus_address,
missing.hdma[i].bbus_address,
missing.hdma[i].indirect_address ? "indirect" : "absolute");
if (missing.hdma[i].force_table_address_write)
printf ("Forced address write, ");
if (missing.hdma[i].force_table_address_read)
printf ("Current address read, ");
if (missing.hdma[i].line_count_write)
printf ("Line count write, ");
if (missing.hdma[i].line_count_read)
printf ("Line count read");
printf ("\n");
}
}
for (i = 0; i < 8; i++)
{
if (missing.dma_channels & (1 << i))
{
printf ("DMA %d %d 0x%02X%04X->0x21%02X Num: %d %s\n",
i, DMA[i].TransferMode, DMA[i].ABank, DMA[i].AAddress,
DMA[i].BAddress, DMA[i].TransferBytes,
DMA[i].AAddressFixed ? "fixed" :
(DMA[i].AAddressDecrement ? "dec" : "inc"));
}
}
if (missing.unknownppu_read)
printf ("Read from unknown PPU register: $%04X\n", missing.unknownppu_read);
if (missing.unknownppu_write)
printf ("Write to unknown PPU register: $%04X\n", missing.unknownppu_write);
if (missing.unknowncpu_read)
printf ("Read from unknown CPU register: $%04X\n", missing.unknowncpu_read);
if (missing.unknowncpu_write)
printf ("Write to unknown CPU register: $%04X\n", missing.unknowncpu_write);
if (missing.unknowndsp_read)
printf ("Read from unknown DSP register: $%04X\n", missing.unknowndsp_read);
if (missing.unknowndsp_write)
printf ("Write to unknown DSP register: $%04X\n", missing.unknowndsp_write);
}
void S9xDoDebug ()
{
char Line[513];
Debug.Dump.Bank = 0;
Debug.Dump.Address = 0;
Debug.Unassemble.Bank = 0;
Debug.Unassemble.Address = 0;
S9xTextMode ();
ProcessDebugCommand ("r");
while (CPU.Flags & DEBUG_MODE_FLAG)
{
printf ("> ");
fflush (stdout);
fgets (Line, sizeof (Line) - 1, stdin);
Line [strlen (Line) - 1] = 0;
ProcessDebugCommand (Line);
}
if (!(CPU.Flags & SINGLE_STEP_FLAG))
S9xGraphicsMode ();
}
void S9xTrace ()
{
if(!trace)
trace=fopen("trace.log", "a");
char String [512];
S9xOPrint (String, Registers.PB, CPU.PC - CPU.PCBase);
fprintf (trace, "%s\n", String);
}
void S9xSA1Trace ()
{
char String [512];
S9xSA1OPrint (String, SA1Registers.PB, SA1.PC - SA1.PCBase);
fprintf (trace2, "%s\n", String);
fflush (trace2);
}
void S9xTraceMessage (const char *s)
{
if(s)
{
if (trace)
fprintf (trace, "%s\n", s);
else
if (trace2)
fprintf (trace2, "%s\n", s);
}
}
extern "C" void TraceSA1 ()
{
SA1.Flags ^= TRACE_FLAG;
if (SA1.Flags & TRACE_FLAG)
{
printf ("SA1 CPU instruction tracing enabled.\n");
if (trace2 == NULL)
trace2 = fopen ("trace_sa1.log", "wb");
}
else
{
printf ("SA1 CPU instruction tracing disabled.\n");
fclose (trace2);
trace2 = NULL;
}
}
extern "C" void Trace ()
{
CPU.Flags ^= TRACE_FLAG;
if (CPU.Flags & TRACE_FLAG)
{
if (trace == NULL)
trace = fopen ("trace.log", "wb");
printf ("CPU instruction tracing enabled.\n");
}
else
{
printf ("CPU instruction tracing disabled.\n");
fclose (trace);
trace = NULL;
}
}
#endif