From fb5ad7bbb34ca1246deb2481aed665aee31d2ce9 Mon Sep 17 00:00:00 2001 From: twinaphex Date: Thu, 5 Nov 2015 16:05:33 +0100 Subject: Cleanups --- src/ppu_getppu.h | 124 +++++++++++++++++++++++++++---------------------------- 1 file changed, 60 insertions(+), 64 deletions(-) (limited to 'src/ppu_getppu.h') diff --git a/src/ppu_getppu.h b/src/ppu_getppu.h index eb4eb62..1fd14ce 100644 --- a/src/ppu_getppu.h +++ b/src/ppu_getppu.h @@ -282,8 +282,7 @@ static uint8 GetPPU_APUR (uint16 Address) { if (r & 4) return ((Address & 3) == 1 ? 0xaa : 0xbb); - else - return ((r >> 3) & 0xff); + return ((r >> 3) & 0xff); } } else @@ -342,66 +341,63 @@ uint8 (*GetPPU[])(uint16 Address) = { uint8 S9xGetPPU (uint16 Address) { - uint8 byte = 0; - if(Address<0x2100)//not a real PPU reg - return 0; //treat as unmapped memory returning last byte on the bus - if (Address <= 0x2190){ - return GetPPU[Address - 0x2100](Address); - } else - { - #ifdef USE_SA1 - if (Settings.SA1) - return (S9xGetSA1(Address)); - #endif - if (Address <= 0x2fff || Address >= 0x3000 + 768) - { - switch (Address) - { - case 0x21c2 : - return (0x20); - case 0x21c3 : - return (0); - case 0x2800 : - // For Dai Kaijyu Monogatari II - if (Settings.SRTC) - return (S9xGetSRTC(Address)); - /*FALL*/ - - default : - #ifdef DEBUGGER - missing.unknownppu_read = Address; - if (Settings.TraceUnknownRegisters) - { - sprintf(String, "Unknown register read: $%04X\n", Address); - S9xMessage(S9X_TRACE, S9X_PPU_TRACE, String); - } - #endif - // XXX: - return (0); //Memory.FillRAM[Address]); - } - } - - if (!Settings.SuperFX) - return (0x30); - byte = Memory.FillRAM[Address]; - - //if (Address != 0x3030 && Address != 0x3031) - //printf ("%04x\n", Address); - #ifdef CPU_SHUTDOWN - if (Address == 0x3030) - { - CPU.WaitAddress = CPU.PCAtOpcodeStart; - #ifdef ASMCPU - CPU.rstatus |= (1<<(24-3)); - #endif - } - else - #endif - if (Address == 0x3031) - { - CLEAR_IRQ_SOURCE(GSU_IRQ_SOURCE); - Memory.FillRAM[0x3031] = byte & 0x7f; - } - return (byte); - } + uint8 byte = 0; + if(Address<0x2100)//not a real PPU reg + return 0; //treat as unmapped memory returning last byte on the bus + if (Address <= 0x2190) + return GetPPU[Address - 0x2100](Address); +#ifdef USE_SA1 + if (Settings.SA1) + return (S9xGetSA1(Address)); +#endif + if (Address <= 0x2fff || Address >= 0x3000 + 768) + { + switch (Address) + { + case 0x21c2 : + return (0x20); + case 0x21c3 : + return (0); + case 0x2800 : + // For Dai Kaijyu Monogatari II + if (Settings.SRTC) + return (S9xGetSRTC(Address)); + /*FALL*/ + + default : +#ifdef DEBUGGER + missing.unknownppu_read = Address; + if (Settings.TraceUnknownRegisters) + { + sprintf(String, "Unknown register read: $%04X\n", Address); + S9xMessage(S9X_TRACE, S9X_PPU_TRACE, String); + } +#endif + // XXX: + return (0); //Memory.FillRAM[Address]); + } + } + + if (!Settings.SuperFX) + return (0x30); + byte = Memory.FillRAM[Address]; + + //if (Address != 0x3030 && Address != 0x3031) + //printf ("%04x\n", Address); +#ifdef CPU_SHUTDOWN + if (Address == 0x3030) + { + CPU.WaitAddress = CPU.PCAtOpcodeStart; +#ifdef ASMCPU + CPU.rstatus |= (1<<(24-3)); +#endif + } + else +#endif + if (Address == 0x3031) + { + CLEAR_IRQ_SOURCE(GSU_IRQ_SOURCE); + Memory.FillRAM[0x3031] = byte & 0x7f; + } + return (byte); } -- cgit v1.2.3