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#include "../copyright"
#ifndef _CPUADDR_H_
#define _CPUADDR_H_
#include <retro_inline.h>
extern int32_t OpAddress;
static INLINE void Immediate8(void)
{
OpAddress = ICPU.ShiftedPB + CPU.PC - CPU.PCBase;
CPU.PC++;
}
static INLINE void Immediate16(void)
{
OpAddress = ICPU.ShiftedPB + CPU.PC - CPU.PCBase;
CPU.PC += 2;
}
static INLINE void Relative(void)
{
int8_t Int8 = *CPU.PC++;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeed;
#endif
OpAddress = ((int32_t)(CPU.PC - CPU.PCBase) + Int8) & 0xffff;
}
static INLINE void RelativeLong(void)
{
#ifdef FAST_LSB_WORD_ACCESS
OpAddress = *(uint16_t*) CPU.PC;
#else
OpAddress = CPU.PC[0] + (CPU.PC[1] << 8);
#endif
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeedx2 + ONE_CYCLE;
#endif
CPU.PC += 2;
OpAddress += (CPU.PC - CPU.PCBase);
OpAddress &= 0xffff;
}
static INLINE void AbsoluteIndexedIndirect(bool read)
{
#ifdef FAST_LSB_WORD_ACCESS
OpAddress = (ICPU.Registers.X.W + * (uint16_t*) CPU.PC) & 0xffff;
#else
OpAddress = (ICPU.Registers.X.W + CPU.PC[0] + (CPU.PC[1] << 8)) & 0xffff;
#endif
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeedx2;
#endif
OpenBus = CPU.PC[1];
CPU.PC += 2;
OpAddress = S9xGetWord(ICPU.ShiftedPB + OpAddress);
if (read)
OpenBus = (uint8_t)(OpAddress >> 8);
}
static INLINE void AbsoluteIndirectLong(bool read)
{
#ifdef FAST_LSB_WORD_ACCESS
OpAddress = *(uint16_t*) CPU.PC;
#else
OpAddress = CPU.PC[0] + (CPU.PC[1] << 8);
#endif
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeedx2;
#endif
OpenBus = CPU.PC[1];
CPU.PC += 2;
if (read)
OpAddress = S9xGetWord(OpAddress) | ((OpenBus = S9xGetByte(OpAddress + 2)) << 16);
else
OpAddress = S9xGetWord(OpAddress) | (S9xGetByte(OpAddress + 2) << 16);
}
static INLINE void AbsoluteIndirect(bool read)
{
#ifdef FAST_LSB_WORD_ACCESS
OpAddress = *(uint16_t*) CPU.PC;
#else
OpAddress = CPU.PC[0] + (CPU.PC[1] << 8);
#endif
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeedx2;
#endif
OpenBus = CPU.PC[1];
CPU.PC += 2;
OpAddress = S9xGetWord(OpAddress);
if (read)
OpenBus = (uint8_t) (OpAddress >> 8);
OpAddress += ICPU.ShiftedPB;
}
static INLINE void Absolute(bool read)
{
#ifdef FAST_LSB_WORD_ACCESS
OpAddress = *(uint16_t*) CPU.PC + ICPU.ShiftedDB;
#else
OpAddress = CPU.PC[0] + (CPU.PC[1] << 8) + ICPU.ShiftedDB;
#endif
if (read)
OpenBus = CPU.PC[1];
CPU.PC += 2;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeedx2;
#endif
}
static INLINE void AbsoluteLong(bool read)
{
#ifdef FAST_LSB_WORD_ACCESS
OpAddress = (*(uint32_t*) CPU.PC) & 0xffffff;
#elif defined FAST_ALIGNED_LSB_WORD_ACCESS
if (((int32_t) CPU.PC & 1) == 0)
OpAddress = (*(uint16_t*) CPU.PC) + (CPU.PC[2] << 16);
else
OpAddress = *CPU.PC + ((*(uint16_t*) (CPU.PC + 1)) << 8);
#else
OpAddress = CPU.PC[0] + (CPU.PC[1] << 8) + (CPU.PC[2] << 16);
#endif
if (read)
OpenBus = CPU.PC[2];
CPU.PC += 3;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeedx2 + CPU.MemSpeed;
#endif
}
static INLINE void Direct(bool read)
{
if (read)
OpenBus = *CPU.PC;
OpAddress = (*CPU.PC++ + ICPU.Registers.D.W) & 0xffff;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeed;
#endif
}
static INLINE void DirectIndirectIndexed(bool read)
{
OpenBus = *CPU.PC;
OpAddress = (*CPU.PC++ + ICPU.Registers.D.W) & 0xffff;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeed;
#endif
OpAddress = S9xGetWord(OpAddress);
if (read)
OpenBus = (uint8_t)(OpAddress >> 8);
OpAddress += ICPU.ShiftedDB + ICPU.Registers.Y.W;
}
static INLINE void DirectIndirectIndexedLong(bool read)
{
OpenBus = *CPU.PC;
OpAddress = (*CPU.PC++ + ICPU.Registers.D.W) & 0xffff;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeed;
#endif
if (read)
OpAddress = S9xGetWord(OpAddress) + ((OpenBus = S9xGetByte(OpAddress + 2)) << 16) + ICPU.Registers.Y.W;
else
OpAddress = S9xGetWord(OpAddress) + (S9xGetByte(OpAddress + 2) << 16) + ICPU.Registers.Y.W;
}
static INLINE void DirectIndexedIndirect(bool read)
{
OpenBus = *CPU.PC;
OpAddress = (*CPU.PC++ + ICPU.Registers.D.W + ICPU.Registers.X.W) & 0xffff;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeed;
#endif
OpAddress = S9xGetWord(OpAddress);
if (read)
OpenBus = (uint8_t)(OpAddress >> 8);
OpAddress += ICPU.ShiftedDB;
#ifndef SA1_OPCODES
CPU.Cycles += ONE_CYCLE;
#endif
}
static INLINE void DirectIndexedX(bool read)
{
if (read)
OpenBus = *CPU.PC;
OpAddress = (*CPU.PC++ + ICPU.Registers.D.W + ICPU.Registers.X.W);
OpAddress &= CheckEmulation() ? 0xff : 0xffff;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeed + ONE_CYCLE;
#endif
}
static INLINE void DirectIndexedY(bool read)
{
if (read)
OpenBus = *CPU.PC;
OpAddress = (*CPU.PC++ + ICPU.Registers.D.W + ICPU.Registers.Y.W);
OpAddress &= CheckEmulation() ? 0xff : 0xffff;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeed + ONE_CYCLE;
#endif
}
static INLINE void AbsoluteIndexedX(bool read)
{
#ifdef FAST_LSB_WORD_ACCESS
OpAddress = ICPU.ShiftedDB + *(uint16_t*) CPU.PC + ICPU.Registers.X.W;
#else
OpAddress = ICPU.ShiftedDB + CPU.PC[0] + (CPU.PC[1] << 8) + ICPU.Registers.X.W;
#endif
if (read)
OpenBus = CPU.PC[1];
CPU.PC += 2;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeedx2;
#endif
}
static INLINE void AbsoluteIndexedY(bool read)
{
#ifdef FAST_LSB_WORD_ACCESS
OpAddress = ICPU.ShiftedDB + *(uint16_t*) CPU.PC + ICPU.Registers.Y.W;
#else
OpAddress = ICPU.ShiftedDB + CPU.PC[0] + (CPU.PC[1] << 8) + ICPU.Registers.Y.W;
#endif
if (read)
OpenBus = CPU.PC[1];
CPU.PC += 2;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeedx2;
#endif
}
static INLINE void AbsoluteLongIndexedX(bool read)
{
#ifdef FAST_LSB_WORD_ACCESS
OpAddress = (*(uint32_t*) CPU.PC + ICPU.Registers.X.W) & 0xffffff;
#elif defined FAST_ALIGNED_LSB_WORD_ACCESS
if (((int32_t) CPU.PC & 1) == 0)
OpAddress = ((*(uint16_t*) CPU.PC) + (CPU.PC[2] << 16) + ICPU.Registers.X.W) & 0xFFFFFF;
else
OpAddress = (*CPU.PC + ((*(uint16_t*) (CPU.PC + 1)) << 8) + ICPU.Registers.X.W) & 0xFFFFFF;
#else
OpAddress = (CPU.PC[0] + (CPU.PC[1] << 8) + (CPU.PC[2] << 16) + ICPU.Registers.X.W) & 0xffffff;
#endif
if (read)
OpenBus = CPU.PC[2];
CPU.PC += 3;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeedx2 + CPU.MemSpeed;
#endif
}
static INLINE void DirectIndirect(bool read)
{
OpenBus = *CPU.PC;
OpAddress = (*CPU.PC++ + ICPU.Registers.D.W) & 0xffff;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeed;
#endif
OpAddress = S9xGetWord(OpAddress);
if (read)
OpenBus = (uint8_t)(OpAddress >> 8);
OpAddress += ICPU.ShiftedDB;
}
static INLINE void DirectIndirectLong(bool read)
{
OpenBus = *CPU.PC;
OpAddress = (*CPU.PC++ + ICPU.Registers.D.W) & 0xffff;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeed;
#endif
if (read)
OpAddress = S9xGetWord(OpAddress) + ((OpenBus = S9xGetByte(OpAddress + 2)) << 16);
else
OpAddress = S9xGetWord(OpAddress) + (S9xGetByte(OpAddress + 2) << 16);
}
static INLINE void StackRelative(bool read)
{
if (read)
OpenBus = *CPU.PC;
OpAddress = (*CPU.PC++ + ICPU.Registers.S.W) & 0xffff;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeed + ONE_CYCLE;
#endif
}
static INLINE void StackRelativeIndirectIndexed(bool read)
{
OpenBus = *CPU.PC;
OpAddress = (*CPU.PC++ + ICPU.Registers.S.W) & 0xffff;
#ifndef SA1_OPCODES
CPU.Cycles += CPU.MemSpeed + TWO_CYCLES;
#endif
OpAddress = S9xGetWord(OpAddress);
if (read)
OpenBus = (uint8_t)(OpAddress >> 8);
OpAddress = (OpAddress + ICPU.ShiftedDB + ICPU.Registers.Y.W) & 0xffffff;
}
#endif
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