From 4f67228034eca76d85ff3e05571deb965e065791 Mon Sep 17 00:00:00 2001 From: notaz Date: Thu, 21 Dec 2006 22:55:45 +0000 Subject: [PATCH] trying to add movie support git-svn-id: file:///home/notaz/opt/svn/PicoDrive@3 be3aeb3a-fb24-0410-a615-afba39da0efa --- Pico/Memory.c | 172 ++++++++++++++++++----------------- Pico/Pico.c | 72 +++++++++++++-- Pico/PicoInt.h | 3 +- Pico/VideoPort.c | 40 +++++--- platform/gp2x/emu.c | 33 ++++++- platform/linux/port_config.h | 4 +- 6 files changed, 216 insertions(+), 108 deletions(-) diff --git a/Pico/Memory.c b/Pico/Memory.c index d3b6bee..d3b931c 100644 --- a/Pico/Memory.c +++ b/Pico/Memory.c @@ -181,49 +181,49 @@ u32 UnusualRead16(u32 a, int realsize) // some dumb detection is used, but that should be enough to make things work if ((a>>22) == 1 && Pico.romsize >= 512*1024) { if (*(int *)(Pico.rom+0x123e4) == 0x00550c39 && *(int *)(Pico.rom+0x123e8) == 0x00000040) { // Super Bubble Bobble (Unl) [!] - if (a == 0x400000) { d=0x55<<8; goto end; } - else if (a == 0x400002) { d=0x0f<<8; goto end; } - } - else if (*(int *)(Pico.rom+0x008c4) == 0x66240055 && *(int *)(Pico.rom+0x008c8) == 0x00404df9) { // Smart Mouse (Unl) - if (a == 0x400000) { d=0x55<<8; goto end; } - else if (a == 0x400002) { d=0x0f<<8; goto end; } - else if (a == 0x400004) { d=0xaa<<8; goto end; } - else if (a == 0x400006) { d=0xf0<<8; goto end; } - } - else if (*(int *)(Pico.rom+0x00404) == 0x00a90600 && *(int *)(Pico.rom+0x00408) == 0x6708b013) { // King of Fighters '98, The (Unl) [!] - if (a == 0x480000 || a == 0x4800e0 || a == 0x4824a0 || a == 0x488880) { d=0xaa<<8; goto end; } - else if (a == 0x4a8820) { d=0x0a<<8; goto end; } - // there is also a read @ 0x4F8820 which needs 0, but that is returned in default case - } - else if (*(int *)(Pico.rom+0x01b24) == 0x004013f9 && *(int *)(Pico.rom+0x01b28) == 0x00ff0000) { // Mahjong Lover (Unl) [!] - if (a == 0x400000) { d=0x90<<8; goto end; } - else if (a == 0x401000) { d=0xd3<<8; goto end; } // this one doesn't seem to be needed, the code does 2 comparisons and only then - // checks the result, which is of the above one. Left it just in case. - } - else if (*(int *)(Pico.rom+0x05254) == 0x0c3962d0 && *(int *)(Pico.rom+0x05258) == 0x00400055) { // Elf Wor (Unl) - if (a == 0x400000) { d=0x55<<8; goto end; } - else if (a == 0x400004) { d=0xc9<<8; goto end; } // this check is done if the above one fails - else if (a == 0x400002) { d=0x0f<<8; goto end; } - else if (a == 0x400006) { d=0x18<<8; goto end; } // similar to above - } + if (a == 0x400000) { d=0x55<<8; goto end; } + else if (a == 0x400002) { d=0x0f<<8; goto end; } + } + else if (*(int *)(Pico.rom+0x008c4) == 0x66240055 && *(int *)(Pico.rom+0x008c8) == 0x00404df9) { // Smart Mouse (Unl) + if (a == 0x400000) { d=0x55<<8; goto end; } + else if (a == 0x400002) { d=0x0f<<8; goto end; } + else if (a == 0x400004) { d=0xaa<<8; goto end; } + else if (a == 0x400006) { d=0xf0<<8; goto end; } + } + else if (*(int *)(Pico.rom+0x00404) == 0x00a90600 && *(int *)(Pico.rom+0x00408) == 0x6708b013) { // King of Fighters '98, The (Unl) [!] + if (a == 0x480000 || a == 0x4800e0 || a == 0x4824a0 || a == 0x488880) { d=0xaa<<8; goto end; } + else if (a == 0x4a8820) { d=0x0a<<8; goto end; } + // there is also a read @ 0x4F8820 which needs 0, but that is returned in default case + } + else if (*(int *)(Pico.rom+0x01b24) == 0x004013f9 && *(int *)(Pico.rom+0x01b28) == 0x00ff0000) { // Mahjong Lover (Unl) [!] + if (a == 0x400000) { d=0x90<<8; goto end; } + else if (a == 0x401000) { d=0xd3<<8; goto end; } // this one doesn't seem to be needed, the code does 2 comparisons and only then + // checks the result, which is of the above one. Left it just in case. + } + else if (*(int *)(Pico.rom+0x05254) == 0x0c3962d0 && *(int *)(Pico.rom+0x05258) == 0x00400055) { // Elf Wor (Unl) + if (a == 0x400000) { d=0x55<<8; goto end; } + else if (a == 0x400004) { d=0xc9<<8; goto end; } // this check is done if the above one fails + else if (a == 0x400002) { d=0x0f<<8; goto end; } + else if (a == 0x400006) { d=0x18<<8; goto end; } // similar to above + } // our default behaviour is to return whatever was last written a 0x400000-0x7fffff range (used by Squirrel King (R) [!]) - // Lion King II, The (Unl) [!] writes @ 400000 and wants to get that val @ 400002 and wites another val - // @ 400004 which is expected @ 400006, so we really remember 2 values here + // Lion King II, The (Unl) [!] writes @ 400000 and wants to get that val @ 400002 and wites another val + // @ 400004 which is expected @ 400006, so we really remember 2 values here d = Pico.m.prot_bytes[(a>>2)&1]<<8; } else if (a == 0xa13000 && Pico.romsize >= 1024*1024) { if (*(int *)(Pico.rom+0xc8af0) == 0x30133013 && *(int *)(Pico.rom+0xc8af4) == 0x000f0240) { // Rockman X3 (Unl) [!] - d=0x0c; goto end; - } + d=0x0c; goto end; + } else if (*(int *)(Pico.rom+0x28888) == 0x07fc0000 && *(int *)(Pico.rom+0x2888c) == 0x4eb94e75) { // Bug's Life, A (Unl) [!] - d=0x28; goto end; // does the check from RAM - } + d=0x28; goto end; // does the check from RAM + } else if (*(int *)(Pico.rom+0xc8778) == 0x30133013 && *(int *)(Pico.rom+0xc877c) == 0x000f0240) { // Super Mario Bros. (Unl) [!] - d=0x0c; goto end; // seems to be the same code as in Rockman X3 (Unl) [!] - } + d=0x0c; goto end; // seems to be the same code as in Rockman X3 (Unl) [!] + } else if (*(int *)(Pico.rom+0xf20ec) == 0x30143013 && *(int *)(Pico.rom+0xf20f0) == 0x000f0200) { // Super Mario 2 1998 (Unl) [!] - d=0x0a; goto end; - } + d=0x0a; goto end; + } } else if (a == 0xa13002) { // Pocket Monsters (Unl) d=0x01; goto end; @@ -233,7 +233,7 @@ u32 UnusualRead16(u32 a, int realsize) } else if (a == 0x30fe02) { // Virtua Racing - just for fun - // this seems to be some flag that SVP is ready or something similar + // this seems to be some flag that SVP is ready or something similar d=1; goto end; } @@ -251,8 +251,8 @@ u32 OtherRead16(u32 a, int realsize) if ((a&0xff0000)==0xa00000) { if ((a&0x4000)==0x0000) { d=z80Read8(a); d|=d<<8; goto end; } // Z80 ram (not byteswaped) - if ((a&0x6000)==0x4000) { if(PicoOpt&1) d=YM2612Read(); else d=Pico.m.rotate++&3; goto end; } // 0x4000-0x5fff, Fudge if disabled - d=0xffff; goto end; + if ((a&0x6000)==0x4000) { if(PicoOpt&1) d=YM2612Read(); else d=Pico.m.rotate++&3; dprintf("read ym2612: %04x", d); goto end; } // 0x4000-0x5fff, Fudge if disabled + d=0xffff; goto end; } if ((a&0xffffe0)==0xa10000) { // I/O ports a=(a>>1)&0xf; @@ -266,7 +266,17 @@ u32 OtherRead16(u32 a, int realsize) goto end; } // |=0x80 for Shadow of the Beast & Super Offroad; rotate fakes next fetched instruction for Time Killers - if (a==0xa11100) { d=((Pico.m.z80Run&1)<<8)|0x8000|Pico.m.rotate++; goto end; } + if (a==0xa11100) { + extern int z80stopCycle; // TODO: tidy + d=Pico.m.z80Run&1; + if (!d) { + int stop_before = SekCyclesDone() - z80stopCycle; + if (stop_before > 0 && stop_before <= 16*2) // Gens uses 16 here + d = 1; // bus not yet available + } + d=(d<<8)|0x8000|Pico.m.rotate++; + dprintf("get_zrun: %04x [%i|%i] @%06x", d, Pico.m.scanline, SekCyclesDone(), SekPc); + goto end; } #ifndef _ASM_MEMORY_C if ((a&0xe700e0)==0xc00000) { d=PicoVideoRead(a); goto end; } @@ -302,23 +312,23 @@ static void OtherWrite8(u32 a,u32 d,int realsize) return; } if (a==0xa11100) { - extern int z80startCycle, z80stopCycle; + extern int z80startCycle, z80stopCycle; //int lineCycles=(488-SekCyclesLeft)&0x1ff; d&=1; d^=1; - if(!d) { - // hack: detect a nasty situation where Z80 was enabled and disabled in the same 68k timeslice (Golden Axe III) - if((PicoOpt&4) && Pico.m.z80Run==1) z80_run(20); - z80stopCycle = SekCyclesDone(); - //z80ExtraCycles += (lineCycles>>1)-(lineCycles>>5); // only meaningful in PicoFrameHints() - } else { - z80startCycle = SekCyclesDone(); - //if(Pico.m.scanline != -1) - //z80ExtraCycles -= (lineCycles>>1)-(lineCycles>>5)+16; - } - //dprintf("set_zrun: %i [%i|%i] zPC=%04x @%06x", d, Pico.m.scanline, SekCyclesDone(), mz80GetRegisterValue(NULL, 0), SekPc); - Pico.m.z80Run=(u8)d; return; - } - if (a==0xa11200) { if(!(d&1)) z80_reset(); return; } + if(!d) { + // hack: detect a nasty situation where Z80 was enabled and disabled in the same 68k timeslice (Golden Axe III) + // if((PicoOpt&4) && Pico.m.z80Run==1) z80_run(20); // FIXME: movies + z80stopCycle = SekCyclesDone(); + //z80ExtraCycles += (lineCycles>>1)-(lineCycles>>5); // only meaningful in PicoFrameHints() + } else { + z80startCycle = SekCyclesDone(); + //if(Pico.m.scanline != -1) + //z80ExtraCycles -= (lineCycles>>1)-(lineCycles>>5)+16; + } + dprintf("set_zrun: %02x [%i|%i] @%06x", d, Pico.m.scanline, SekCyclesDone(), /*mz80GetRegisterValue(NULL, 0),*/ SekPc); + Pico.m.z80Run=(u8)d; return; + } + if (a==0xa11200) { dprintf("write z80Reset: %02x", d); if(!(d&1)) z80_reset(); return; } if ((a&0xff7f00)==0xa06000) // Z80 BANK register { @@ -336,29 +346,29 @@ static void OtherWrite8(u32 a,u32 d,int realsize) if(a >= SRam.start && a <= SRam.end) { unsigned int sreg = Pico.m.sram_reg; if(!(sreg & 0x10)) { - // not detected SRAM - if((a&~1)==0x200000) { + // not detected SRAM + if((a&~1)==0x200000) { Pico.m.sram_reg|=4; // this should be a game with EEPROM (like NBA Jam) SRam.start=0x200000; SRam.end=SRam.start+1; } - Pico.m.sram_reg|=0x10; - } + Pico.m.sram_reg|=0x10; + } if(sreg & 4) { // EEPROM write - if(SekCyclesDoneT()-lastSSRamWrite < 46) { - // just update pending state - SRAMUpdPending(a, d); - } else { - SRAMWriteEEPROM(sreg>>6); // execute pending - SRAMUpdPending(a, d); + if(SekCyclesDoneT()-lastSSRamWrite < 46) { + // just update pending state + SRAMUpdPending(a, d); + } else { + SRAMWriteEEPROM(sreg>>6); // execute pending + SRAMUpdPending(a, d); lastSSRamWrite = SekCyclesDoneT(); - } + } } else if(!(sreg & 2)) { u8 *pm=(u8 *)(SRam.data-SRam.start+a); if(*pm != (u8)d) { SRam.changed = 1; *pm=(u8)d; } - } + } return; } @@ -379,12 +389,12 @@ static void OtherWrite8(u32 a,u32 d,int realsize) if(a >= 0xA13004 && a < 0xA13040) { // dumb 12-in-1 or 4-in-1 banking support - int len; - a &= 0x3f; a <<= 16; - len = Pico.romsize - a; - if (len <= 0) return; // invalid/missing bank - if (len > 0x200000) len = 0x200000; // 2 megs - memcpy(Pico.rom, Pico.rom+a, len); // code which does this is in RAM so this is safe. + int len; + a &= 0x3f; a <<= 16; + len = Pico.romsize - a; + if (len <= 0) return; // invalid/missing bank + if (len > 0x200000) len = 0x200000; // 2 megs + memcpy(Pico.rom, Pico.rom+a, len); // code which does this is in RAM so this is safe. return; } @@ -415,7 +425,7 @@ static void OtherWrite16(u32 a,u32 d) return; } if (a==0xa11100) { OtherWrite8(a, d>>8, 16); return; } - if (a==0xa11200) { if(!(d&0x100)) z80_reset(); return; } + if (a==0xa11200) { dprintf("write z80reset: %04x", d); if(!(d&0x100)) z80_reset(); return; } OtherWrite8(a, d>>8, 16); OtherWrite8(a+1,d&0xff, 16); @@ -438,8 +448,8 @@ u8 CPU_CALL PicoRead8(u32 a) if(a >= SRam.start && a <= SRam.end) { unsigned int sreg = Pico.m.sram_reg; if(!(sreg & 0x10) && (sreg & 1) && a > 0x200001) { // not yet detected SRAM - Pico.m.sram_reg|=0x10; // should be normal SRAM - } + Pico.m.sram_reg|=0x10; // should be normal SRAM + } if(sreg & 4) { // EEPROM read d = SRAMReadEEPROM(); goto end; @@ -711,32 +721,32 @@ void PicoWriteCD32w(unsigned int a, unsigned int d); unsigned int m68k_read_memory_8(unsigned int address) { - return (PicoMCD&1) ? PicoReadCD8w(address) : PicoRead8(address); + return (PicoMCD&1) ? PicoReadCD8w(address) : PicoRead8(address); } unsigned int m68k_read_memory_16(unsigned int address) { - return (PicoMCD&1) ? PicoReadCD16w(address) : PicoRead16(address); + return (PicoMCD&1) ? PicoReadCD16w(address) : PicoRead16(address); } unsigned int m68k_read_memory_32(unsigned int address) { - return (PicoMCD&1) ? PicoReadCD32w(address) : PicoRead32(address); + return (PicoMCD&1) ? PicoReadCD32w(address) : PicoRead32(address); } void m68k_write_memory_8(unsigned int address, unsigned int value) { - if (PicoMCD&1) PicoWriteCD8w(address, (u8)value); else PicoWrite8(address, (u8)value); + if (PicoMCD&1) PicoWriteCD8w(address, (u8)value); else PicoWrite8(address, (u8)value); } void m68k_write_memory_16(unsigned int address, unsigned int value) { - if (PicoMCD&1) PicoWriteCD16w(address,(u16)value); else PicoWrite16(address,(u16)value); + if (PicoMCD&1) PicoWriteCD16w(address,(u16)value); else PicoWrite16(address,(u16)value); } void m68k_write_memory_32(unsigned int address, unsigned int value) { - if (PicoMCD&1) PicoWriteCD32w(address, value); else PicoWrite32(address, value); + if (PicoMCD&1) PicoWriteCD32w(address, value); else PicoWrite32(address, value); } #endif #endif // EMU_M68K diff --git a/Pico/Pico.c b/Pico/Pico.c index 750ffc5..240c505 100644 --- a/Pico/Pico.c +++ b/Pico/Pico.c @@ -187,11 +187,70 @@ int PicoReset(int hard) return 0; } +static int dma_timings[] = { +83, 167, 166, 83, // vblank: 32cell: dma2vram dma2[vs|c]ram vram_fill vram_copy +102, 205, 204, 102, // vblank: 40cell: +8, 16, 15, 8, // active: 32cell: +9, 18, 17, 9 // ... +}; + +static void CheckDMA(void) +{ + int burn = 0, bytes_can = 0, dma_op = Pico.video.reg[0x17]>>6; // see gens for 00 and 01 modes + int bytes = Pico.m.dma_bytes; + + if(dma_op & 2) bytes_can = dma_op; + else if(Pico.video.type!=1) bytes_can = 1; // setting dma_timings offset here according to Gens + if(Pico.video.reg[12] & 1) bytes_can += 4; // 40 cell mode? + if(!(Pico.video.status&8)&&(Pico.video.reg[1]&0x40)) { dma_op|=4; bytes_can += 8; } // active display? + bytes_can = dma_timings[bytes_can]; + + if(bytes <= bytes_can) { + if(dma_op&2) Pico.video.status&=~2; // dma no longer busy + else { + if(dma_op&4) burn = bytes*(((488<<8)/18 ))>>8; // have to be approximate because can't afford division.. + else burn = bytes*(((488<<8)/205))>>8; + } + Pico.m.dma_bytes = 0; + } else { + if(!(dma_op&2)) burn = 488; + Pico.m.dma_bytes -= bytes_can; + } + + SekCycleCnt+=burn; + dprintf("~Dma %i op=%i can=%i burn=%i [%i|%i]", Pico.m.dma_bytes, dma_op, bytes_can, burn, Pico.m.scanline, SekCyclesDone()); +} + static __inline void SekRun(int cyc) { int cyc_do; SekCycleAim+=cyc; - if((cyc_do=SekCycleAim-SekCycleCnt) < 0) return; +#if 0 + if(Pico.m.dma_bytes) { + int burn=0; + if((Pico.video.status&8)||!(Pico.video.reg[1]&0x40)) { // vblank? + if(Pico.m.dma_bytes < 205) { + burn = Pico.m.dma_bytes*(((488<<8)/205))>>8; + Pico.m.dma_bytes = 0; + } else { + burn += 488; + Pico.m.dma_bytes -= 205; + } + } else { + if(Pico.m.dma_bytes < 18) { + burn = Pico.m.dma_bytes*(((488<<8)/18))>>8; + Pico.m.dma_bytes = 0; + } else { + burn += 488; + Pico.m.dma_bytes -= 18; + } + } + SekCycleCnt+=burn; + dprintf("~DmaSlow %i burn=%i do=%i [%i|%i]", Pico.m.dma_bytes, burn, SekCycleAim-SekCycleCnt, + Pico.m.scanline, SekCyclesDone()); + } +#endif + if((cyc_do=SekCycleAim-SekCycleCnt) <= 0) return; #if defined(EMU_C68K) && defined(EMU_M68K) // this means we do run-compare Cyclone vs Musashi SekCycleCnt+=CM_compareRun(cyc_do); @@ -333,12 +392,10 @@ static int PicoFrameHints(void) { //dprintf("vint: @ %06x [%i|%i]", SekPc, y, SekCycleCnt); pv->status|=0x88; // V-Int happened, go into vblank - SekRun(128); SekCycleAim-=128; // there must be a gap between H and V ints, also after vblank bit set (Mazin Saga, Bram Stoker's Dracula) - /*if(Pico.m.z80Run && (PicoOpt&4)) { - z80CycleAim+=cycles_z80/2; - total_z80+=z80_run(z80CycleAim-total_z80); - z80CycleAim-=cycles_z80/2; - }*/ + if(!Pico.m.dma_bytes||(Pico.video.reg[0x17]&0x80)) { + // there must be a gap between H and V ints, also after vblank bit set (Mazin Saga, Bram Stoker's Dracula) + SekRun(128); SekCycleAim-=128; + } pv->pending_ints|=0x20; if(pv->reg[1]&0x20) SekInterrupt(6); if(Pico.m.z80Run && (PicoOpt&4)) // ? @@ -364,6 +421,7 @@ static int PicoFrameHints(void) getSamples(y); // Run scanline: + if(Pico.m.dma_bytes) CheckDMA(); SekRun(cycles_68k); if((PicoOpt&4) && Pico.m.z80Run) { Pico.m.z80Run|=2; diff --git a/Pico/PicoInt.h b/Pico/PicoInt.h index 7d91df7..4242452 100644 --- a/Pico/PicoInt.h +++ b/Pico/PicoInt.h @@ -123,7 +123,8 @@ struct PicoMisc unsigned char sram_cycle; // EEPROM SRAM cycle number unsigned char sram_slave; // EEPROM slave word for X24C02 and better SRAMs unsigned char prot_bytes[2]; // simple protection fakeing - unsigned char pad1[8]; + unsigned short dma_bytes; // + unsigned char pad1[6]; }; // some assembly stuff depend on these, do not touch! diff --git a/Pico/VideoPort.c b/Pico/VideoPort.c index 024cf6f..5d972f5 100644 --- a/Pico/VideoPort.c +++ b/Pico/VideoPort.c @@ -53,7 +53,7 @@ static unsigned int VideoRead() case 8: d=Pico.cram [a&0x003f]; break; case 4: d=Pico.vsram[a&0x003f]; break; } - + AutoIncrement(); return d; } @@ -99,22 +99,26 @@ static void DmaSlow(int len) source|=Pico.video.reg[0x16]<<9; source|=Pico.video.reg[0x17]<<17; - //dprintf("DmaSlow[%i] %06x->%04x len %i inc=%i blank %i [%i|%i]", Pico.video.type, source, a, len, inc, - // (Pico.video.status&8)||!(Pico.video.reg[1]&0x40), Pico.m.scanline, SekCyclesDone()); + dprintf("DmaSlow[%i] %06x->%04x len %i inc=%i blank %i [%i|%i]", Pico.video.type, source, a, len, inc, + (Pico.video.status&8)||!(Pico.video.reg[1]&0x40), Pico.m.scanline, SekCyclesDone()); if ((source&0xe00000)==0xe00000) { pd=(u16 *)(Pico.ram+(source&0xfffe)); pdend=(u16 *)(Pico.ram+0x10000); } // Ram else if(source>8); // very approximate if(!(Pico.video.status&8)) burn+=burn>>1; // a hack for Legend of Galahad } else burn = DmaSlowBurn(len); SekCyclesBurn(burn); +#else + Pico.m.dma_bytes += len; +#endif if(!(Pico.video.status&8)) SekEndRun(0); - //dprintf("DmaSlow burn: %i @ %06x", burn, SekPc); +// dprintf("DmaSlow burn: %i @ %06x", burn, SekPc); switch (Pico.video.type) { @@ -132,10 +136,10 @@ static void DmaSlow(int len) } rendstatus|=0x10; break; - + case 3: // cram - //dprintf("DmaSlow[%i] %06x->%04x len %i inc=%i blank %i [%i|%i]", Pico.video.type, source, a, len, inc, - // (Pico.video.status&8)||!(Pico.video.reg[1]&0x40), Pico.m.scanline, SekCyclesDone()); + dprintf("DmaSlow[%i] %06x->%04x len %i inc=%i blank %i [%i|%i]", Pico.video.type, source, a, len, inc, + (Pico.video.status&8)||!(Pico.video.reg[1]&0x40), Pico.m.scanline, SekCyclesDone()); Pico.m.dirtyPal = 1; r = Pico.cram; for(a2=a&0x7f; len; len--) @@ -177,7 +181,10 @@ static void DmaCopy(int len) unsigned char *vrs; unsigned char inc=Pico.video.reg[0xf]; int source; - //dprintf("DmaCopy len %i [%i|%i]", len, Pico.m.scanline, SekCyclesDone()); + dprintf("DmaCopy len %i [%i|%i]", len, Pico.m.scanline, SekCyclesDone()); + + Pico.m.dma_bytes += len; + Pico.video.status|=2; // dma busy source =Pico.video.reg[0x15]; source|=Pico.video.reg[0x16]<<8; @@ -205,9 +212,12 @@ static void DmaFill(int data) unsigned char *vr=(unsigned char *) Pico.vram; unsigned char high = (unsigned char) (data >> 8); unsigned char inc=Pico.video.reg[0xf]; - + len=GetDmaLength(); - //dprintf("DmaFill len %i inc %i [%i|%i]", len, inc, Pico.m.scanline, SekCyclesDone()); + dprintf("DmaFill len %i inc %i [%i|%i]", len, inc, Pico.m.scanline, SekCyclesDone()); + + Pico.m.dma_bytes += len; + Pico.video.status|=2; // dma busy // from Charles MacDonald's genvdp.txt: // Write lower byte to address specified @@ -273,7 +283,7 @@ void PicoVideoWrite(unsigned int a,unsigned short d) a&=0x1c; if (a==0x00) // Data port 0 or 2 - { + { if (pvid->pending) CommandChange(); pvid->pending=0; @@ -351,7 +361,7 @@ void PicoVideoWrite(unsigned int a,unsigned short d) unsigned int PicoVideoRead(unsigned int a) { unsigned int d=0; - + a&=0x1c; if (a==0x00) // data port @@ -362,12 +372,12 @@ unsigned int PicoVideoRead(unsigned int a) if (a==0x04) // control port { - //dprintf("sr_read @ %06x [%i|%i]", SekPc, Pico.m.scanline, SekCyclesDone()); d=Pico.video.status; if(PicoOpt&0x10) d|=0x0020; // sprite collision (Shadow of the Beast) if(Pico.m.rotate++&8) d|=0x0100; else d|=0x0200; // Toggle fifo full empty (who uses that stuff?) if(!(Pico.video.reg[1]&0x40)) d|=0x0008; // set V-Blank if display is disabled if(SekCyclesLeft < 84+4) d|=0x0004; // H-Blank (Sonic3 vs) + dprintf("sr_read %04x @ %06x [%i|%i]", d, SekPc, Pico.m.scanline, SekCyclesDone()); Pico.video.pending=0; // ctrl port reads clear write-pending flag (Charles MacDonald) @@ -387,7 +397,7 @@ unsigned int PicoVideoRead(unsigned int a) // |---------------------|--------------------------| // E4 (hc[0x43]==0) 07 B1 // 40 // E8 (hc[0x45]==0) 05 91 // 32 - + // check: Sonic 3D Blast bonus, Cannon Fodder, Chase HQ II, 3 Ninjas kick back, Road Rash 3, Skitchin', Wheel of Fortune if ((a&0x1c)==0x08) { @@ -420,7 +430,7 @@ unsigned int PicoVideoRead(unsigned int a) if (d&0xf00) d|= 1; } - //dprintf("hv: %02x %02x (%i) @ %06x", hc, d, SekCyclesDone(), SekPc); + dprintf("hv: %02x %02x (%i) @ %06x", hc, d, SekCyclesDone(), SekPc); d&=0xff; d<<=8; d|=hc; goto end; diff --git a/platform/gp2x/emu.c b/platform/gp2x/emu.c index 0e4fdd7..14eadeb 100644 --- a/platform/gp2x/emu.c +++ b/platform/gp2x/emu.c @@ -55,7 +55,7 @@ static int combo_keys = 0, combo_acts = 0; // keys and actions which need button static int gp2x_old_gamma = 100; static unsigned char *movie_data = NULL; static int movie_size = 0; -static int frame_count = 0; +int frame_count = 0; unsigned char *framebuff = 0; // temporary buffer for alt renderer int state_slot = 0; @@ -219,11 +219,18 @@ int emu_ReloadRom(void) if(movie_data[0x14] == '6') PicoOpt |= 0x20; // 6 button pad else PicoOpt &= ~0x20; + PicoOpt |= 0x40; // accurate timing if(movie_data[0xF] >= 'A') { - //Pico.m.pal = movie_data[0x16] >> 7; + if(movie_data[0x16] & 0x80) { + PicoRegionOverride = 8; + } else { + PicoRegionOverride = 4; + } + PicoReset(0); // TODO: bits 6 & 5 } - strcpy(noticeMsg, "MOVIE LOADED"); + movie_data[0x18+30] = 0; + sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]); } else { @@ -988,6 +995,26 @@ void emu_Loop(void) updateKeys(); PicoFrame(); +#if 0 + // debug + { + static unsigned char oldscr[320*240*2]; + FILE *f; char name[128]; int i; + for (i = 0; i < 320*240*2; i++) + if(oldscr[i] != ((unsigned char *)gp2x_screen)[i]) break; + if (i < 320*240*2) + { + for (i = 0; i < 320*240*2; i++) + oldscr[i] = ((unsigned char *)gp2x_screen)[i]; + sprintf(name, "%05i.raw", frame_count); + f = fopen(name, "wb"); + if (!f) { printf("!f\n"); exit(1); } + fwrite(gp2x_screen, 1, 320*240*2, f); + fclose(f); + } + } +#endif + // check time gettimeofday(&tval, 0); if(thissec != tval.tv_sec) tval.tv_usec+=1000000; diff --git a/platform/linux/port_config.h b/platform/linux/port_config.h index 4f183c7..b679bab 100644 --- a/platform/linux/port_config.h +++ b/platform/linux/port_config.h @@ -12,7 +12,9 @@ // pico.c #define CAN_HANDLE_240_LINES 1 -#define dprintf(f,...) printf(f"\n",##__VA_ARGS__) +extern int frame_count; + +#define dprintf(f,...) printf("%05i: " f "\n",frame_count,##__VA_ARGS__) //#define dprintf(x...) #endif //PORT_CONFIG_H -- 2.39.2