mirror of
https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 15:27:46 -04:00
45f2f245f5
Still need to fix asm and protection emulation. git-svn-id: file:///home/notaz/opt/svn/PicoDrive@769 be3aeb3a-fb24-0410-a615-afba39da0efa
353 lines
9.7 KiB
C
353 lines
9.7 KiB
C
// some debug code, just for fun of it
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// (c) Copyright 2008 notaz, All rights reserved.
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#include "pico_int.h"
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#include "sound/ym2612.h"
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#include "debug.h"
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#define bit(r, x) ((r>>x)&1)
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#define MVP dstrp+=strlen(dstrp)
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void z80_debug(char *dstr);
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static char dstr[1024*8];
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char *PDebugMain(void)
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{
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struct PicoVideo *pv=&Pico.video;
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unsigned char *reg=pv->reg, r;
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extern int HighPreSpr[];
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int i, sprites_lo, sprites_hi;
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char *dstrp;
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sprites_lo = sprites_hi = 0;
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for (i = 0; HighPreSpr[i] != 0; i+=2)
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if (HighPreSpr[i+1] & 0x8000)
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sprites_hi++;
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else sprites_lo++;
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dstrp = dstr;
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sprintf(dstrp, "mode set 1: %02x spr lo: %2i, spr hi: %2i\n", (r=reg[0]), sprites_lo, sprites_hi); MVP;
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sprintf(dstrp, "display_disable: %i, M3: %i, palette: %i, ?, hints: %i\n", bit(r,0), bit(r,1), bit(r,2), bit(r,4)); MVP;
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sprintf(dstrp, "mode set 2: %02x hcnt: %i\n", (r=reg[1]), pv->reg[10]); MVP;
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sprintf(dstrp, "SMS/gen: %i, pal: %i, dma: %i, vints: %i, disp: %i, TMS: %i\n",bit(r,2),bit(r,3),bit(r,4),bit(r,5),bit(r,6),bit(r,7)); MVP;
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sprintf(dstrp, "mode set 3: %02x\n", (r=reg[0xB])); MVP;
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sprintf(dstrp, "LSCR: %i, HSCR: %i, 2cell vscroll: %i, IE2: %i\n", bit(r,0), bit(r,1), bit(r,2), bit(r,3)); MVP;
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sprintf(dstrp, "mode set 4: %02x\n", (r=reg[0xC])); MVP;
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sprintf(dstrp, "interlace: %i%i, cells: %i, shadow: %i\n", bit(r,2), bit(r,1), (r&0x80) ? 40 : 32, bit(r,3)); MVP;
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sprintf(dstrp, "scroll size: w: %i, h: %i SRAM: %i; eeprom: %i (%i)\n", reg[0x10]&3, (reg[0x10]&0x30)>>4,
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!!(SRam.flags & SRF_ENABLED), !!(SRam.flags & SRF_EEPROM), SRam.eeprom_type); MVP;
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sprintf(dstrp, "sram range: %06x-%06x, reg: %02x\n", SRam.start, SRam.end, Pico.m.sram_reg); MVP;
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sprintf(dstrp, "pend int: v:%i, h:%i, vdp status: %04x\n", bit(pv->pending_ints,5), bit(pv->pending_ints,4), pv->status); MVP;
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sprintf(dstrp, "pal: %i, hw: %02x, frame#: %i\n", Pico.m.pal, Pico.m.hardware, Pico.m.frame_count); MVP;
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#if defined(EMU_C68K)
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sprintf(dstrp, "M68k: PC: %06x, st_flg: %x, cycles: %u\n", SekPc, PicoCpuCM68k.state_flags, SekCyclesDoneT()); MVP;
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sprintf(dstrp, "d0=%08x, a0=%08x, osp=%08x, irql=%i\n", PicoCpuCM68k.d[0], PicoCpuCM68k.a[0], PicoCpuCM68k.osp, PicoCpuCM68k.irq); MVP;
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sprintf(dstrp, "d1=%08x, a1=%08x, sr=%04x\n", PicoCpuCM68k.d[1], PicoCpuCM68k.a[1], CycloneGetSr(&PicoCpuCM68k)); dstrp+=strlen(dstrp); MVP;
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for(r=2; r < 8; r++) {
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sprintf(dstrp, "d%i=%08x, a%i=%08x\n", r, PicoCpuCM68k.d[r], r, PicoCpuCM68k.a[r]); MVP;
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}
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#elif defined(EMU_M68K)
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sprintf(dstrp, "M68k: PC: %06x, cycles: %u, irql: %i\n", SekPc, SekCyclesDoneT(), PicoCpuMM68k.int_level>>8); MVP;
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#elif defined(EMU_F68K)
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sprintf(dstrp, "M68k: PC: %06x, cycles: %u, irql: %i\n", SekPc, SekCyclesDoneT(), PicoCpuFM68k.interrupts[0]); MVP;
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#endif
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sprintf(dstrp, "z80Run: %i, z80_reset: %i, z80_bnk: %06x\n", Pico.m.z80Run, Pico.m.z80_reset, Pico.m.z80_bank68k<<15); MVP;
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z80_debug(dstrp); MVP;
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if (strlen(dstr) > sizeof(dstr))
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elprintf(EL_STATUS, "warning: debug buffer overflow (%i/%i)\n", strlen(dstr), sizeof(dstr));
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return dstr;
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}
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char *PDebugSpriteList(void)
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{
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struct PicoVideo *pvid=&Pico.video;
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int table=0,u,link=0;
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int max_sprites = 80;
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char *dstrp;
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if (!(pvid->reg[12]&1))
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max_sprites = 64;
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dstr[0] = 0;
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dstrp = dstr;
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table=pvid->reg[5]&0x7f;
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if (pvid->reg[12]&1) table&=0x7e; // Lowest bit 0 in 40-cell mode
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table<<=8; // Get sprite table address/2
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for (u=0; u < max_sprites; u++)
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{
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unsigned int *sprite;
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int code, code2, sx, sy, height;
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sprite=(unsigned int *)(Pico.vram+((table+(link<<2))&0x7ffc)); // Find sprite
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// get sprite info
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code = sprite[0];
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// check if it is on this line
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sy = (code&0x1ff)-0x80;
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height = ((code>>24)&3)+1;
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// masking sprite?
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code2 = sprite[1];
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sx = ((code2>>16)&0x1ff)-0x80;
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sprintf(dstrp, "#%02i x:%4i y:%4i %ix%i %s\n", u, sx, sy, ((code>>26)&3)+1, height,
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(code2&0x8000)?"hi":"lo");
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MVP;
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link=(code>>16)&0x7f;
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if(!link) break; // End of sprites
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}
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return dstr;
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}
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#define GREEN1 0x0700
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#ifdef USE_BGR555
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#define YELLOW1 0x071c
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#define BLUE1 0xf000
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#define RED1 0x001e
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#else
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#define YELLOW1 0xe700
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#define BLUE1 0x001e
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#define RED1 0xf000
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#endif
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static void set16(unsigned short *p, unsigned short d, int cnt)
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{
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while (cnt-- > 0)
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*p++ = d;
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}
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void PDebugShowSpriteStats(unsigned short *screen, int stride)
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{
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int lines, i, u, step;
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unsigned short *dest;
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unsigned char *p;
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step = (320-4*4-1) / MAX_LINE_SPRITES;
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lines = 240;
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if (!Pico.m.pal || !(Pico.video.reg[1]&8))
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lines = 224, screen += stride*8;
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for (i = 0; i < lines; i++)
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{
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dest = screen + stride*i;
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p = &HighLnSpr[i][0];
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// sprite graphs
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for (u = 0; u < (p[0] & 0x7f); u++) {
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set16(dest, (p[3+u] & 0x80) ? YELLOW1 : GREEN1, step);
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dest += step;
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}
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// flags
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dest = screen + stride*i + 320-4*4;
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if (p[1] & 0x40) set16(dest+4*0, GREEN1, 4);
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if (p[1] & 0x80) set16(dest+4*1, YELLOW1, 4);
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if (p[1] & 0x20) set16(dest+4*2, BLUE1, 4);
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if (p[1] & 0x10) set16(dest+4*3, RED1, 4);
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}
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// draw grid
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for (i = step*5; i <= 320-4*4-1; i += step*5) {
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for (u = 0; u < lines; u++)
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screen[i + u*stride] = 0x182;
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}
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}
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void PDebugShowPalette(unsigned short *screen, int stride)
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{
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int x, y;
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Pico.m.dirtyPal = 1;
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if (PicoAHW & PAHW_SMS)
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PicoDoHighPal555M4();
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else
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PicoDoHighPal555(1);
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Pico.m.dirtyPal = 1;
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screen += 16*stride+8;
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for (y = 0; y < 8*4; y++)
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for (x = 0; x < 8*16; x++)
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screen[x + y*stride] = HighPal[x/8 + (y/8)*16];
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screen += 160;
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for (y = 0; y < 8*4; y++)
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for (x = 0; x < 8*16; x++)
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screen[x + y*stride] = HighPal[(x/8 + (y/8)*16) | 0x40];
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screen += stride*48;
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for (y = 0; y < 8*4; y++)
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for (x = 0; x < 8*16; x++)
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screen[x + y*stride] = HighPal[(x/8 + (y/8)*16) | 0x80];
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}
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#if defined(DRAW2_OVERRIDE_LINE_WIDTH)
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#define DRAW2_LINE_WIDTH DRAW2_OVERRIDE_LINE_WIDTH
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#else
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#define DRAW2_LINE_WIDTH 328
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#endif
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void PDebugShowSprite(unsigned short *screen, int stride, int which)
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{
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struct PicoVideo *pvid=&Pico.video;
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int table=0,u,link=0,*sprite=0,*fsprite,oldsprite[2];
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int x,y,max_sprites = 80, oldcol, oldreg;
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if (!(pvid->reg[12]&1))
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max_sprites = 64;
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table=pvid->reg[5]&0x7f;
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if (pvid->reg[12]&1) table&=0x7e; // Lowest bit 0 in 40-cell mode
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table<<=8; // Get sprite table address/2
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for (u=0; u < max_sprites && u <= which; u++)
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{
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sprite=(int *)(Pico.vram+((table+(link<<2))&0x7ffc)); // Find sprite
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link=(sprite[0]>>16)&0x7f;
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if (!link) break; // End of sprites
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}
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if (u >= max_sprites) return;
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fsprite = (int *)(Pico.vram+(table&0x7ffc));
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oldsprite[0] = fsprite[0];
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oldsprite[1] = fsprite[1];
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fsprite[0] = (sprite[0] & ~0x007f01ff) | 0x000080;
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fsprite[1] = (sprite[1] & ~0x01ff8000) | 0x800000;
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oldreg = pvid->reg[7];
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oldcol = Pico.cram[0];
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pvid->reg[7] = 0;
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Pico.cram[0] = 0;
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PicoDrawMask = PDRAW_SPRITES_LOW_ON;
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PicoFrameFull();
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for (y = 0; y < 8*4; y++)
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{
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unsigned char *ps = PicoDraw2FB + DRAW2_LINE_WIDTH*y + 8;
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for (x = 0; x < 8*4; x++)
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if (ps[x]) screen[x] = HighPal[ps[x]], ps[x] = 0;
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screen += stride;
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}
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fsprite[0] = oldsprite[0];
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fsprite[1] = oldsprite[1];
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pvid->reg[7] = oldreg;
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Pico.cram[0] = oldcol;
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PicoDrawMask = -1;
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}
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#define dump_ram(ram,fname) \
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{ \
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unsigned short *sram = (unsigned short *) ram; \
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FILE *f; \
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int i; \
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\
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for (i = 0; i < sizeof(ram)/2; i++) \
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sram[i] = (sram[i]<<8) | (sram[i]>>8); \
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f = fopen(fname, "wb"); \
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if (f) { \
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fwrite(ram, 1, sizeof(ram), f); \
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fclose(f); \
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} \
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for (i = 0; i < sizeof(ram)/2; i++) \
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sram[i] = (sram[i]<<8) | (sram[i]>>8); \
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}
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#define dump_ram_noswab(ram,fname) \
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{ \
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FILE *f; \
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f = fopen(fname, "wb"); \
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if (f) { \
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fwrite(ram, 1, sizeof(ram), f); \
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fclose(f); \
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} \
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}
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void PDebugDumpMem(void)
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{
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dump_ram_noswab(Pico.zram, "dumps/zram.bin");
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dump_ram(Pico.cram, "dumps/cram.bin");
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if (PicoAHW & PAHW_SMS)
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{
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dump_ram_noswab(Pico.vramb, "dumps/vram.bin");
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}
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else
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{
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dump_ram(Pico.ram, "dumps/ram.bin");
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dump_ram(Pico.vram, "dumps/vram.bin");
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dump_ram(Pico.vsram,"dumps/vsram.bin");
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}
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if (PicoAHW & PAHW_MCD)
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{
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dump_ram(Pico_mcd->prg_ram, "dumps/prg_ram.bin");
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if (Pico_mcd->s68k_regs[3]&4) // 1M mode?
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wram_1M_to_2M(Pico_mcd->word_ram2M);
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dump_ram(Pico_mcd->word_ram2M, "dumps/word_ram_2M.bin");
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wram_2M_to_1M(Pico_mcd->word_ram2M);
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dump_ram(Pico_mcd->word_ram1M[0], "dumps/word_ram_1M_0.bin");
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dump_ram(Pico_mcd->word_ram1M[1], "dumps/word_ram_1M_1.bin");
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if (!(Pico_mcd->s68k_regs[3]&4)) // 2M mode?
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wram_2M_to_1M(Pico_mcd->word_ram2M);
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dump_ram_noswab(Pico_mcd->pcm_ram,"dumps/pcm_ram.bin");
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dump_ram_noswab(Pico_mcd->bram, "dumps/bram.bin");
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}
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}
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void PDebugZ80Frame(void)
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{
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int lines, line_sample;
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if (PicoAHW & PAHW_SMS)
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return;
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if (Pico.m.pal) {
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lines = 312;
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line_sample = 68;
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} else {
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lines = 262;
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line_sample = 93;
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}
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z80_resetCycles();
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emustatus &= ~1;
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if (Pico.m.z80Run && !Pico.m.z80_reset && (PicoOpt&POPT_EN_Z80))
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PicoSyncZ80(line_sample*488);
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if (ym2612.dacen && PsndDacLine <= line_sample)
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PsndDoDAC(line_sample);
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if (PsndOut)
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PsndGetSamples(line_sample);
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if (Pico.m.z80Run && !Pico.m.z80_reset && (PicoOpt&POPT_EN_Z80)) {
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PicoSyncZ80(224*488);
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z80_int();
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}
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if (ym2612.dacen && PsndDacLine <= 224)
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PsndDoDAC(224);
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if (PsndOut)
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PsndGetSamples(224);
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// sync z80
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if (Pico.m.z80Run && !Pico.m.z80_reset && (PicoOpt&POPT_EN_Z80))
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PicoSyncZ80(Pico.m.pal ? 151809 : 127671); // cycles adjusted for converter
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if (PsndOut && ym2612.dacen && PsndDacLine <= lines-1)
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PsndDoDAC(lines-1);
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timers_cycle();
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}
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void PDebugCPUStep(void)
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{
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if (PicoAHW & PAHW_SMS)
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z80_run(1);
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else
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SekStepM68k();
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}
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