diff options
Diffstat (limited to 'source/c4emu.cpp')
| -rw-r--r-- | source/c4emu.cpp | 142 |
1 files changed, 5 insertions, 137 deletions
diff --git a/source/c4emu.cpp b/source/c4emu.cpp index be08f07..f188853 100644 --- a/source/c4emu.cpp +++ b/source/c4emu.cpp @@ -106,9 +106,6 @@ void S9xInitC4 () uint8 S9xGetC4 (uint16 Address) { -#ifdef DEBUGGER - if(Settings.BGLayering) printf("%02x from %04x\n", Memory.C4RAM[Address-0x6000], Address); -#endif return (Memory.C4RAM [Address-0x6000]); } @@ -146,12 +143,6 @@ static void C4ConvOAM(void){ globalY=READ_WORD(Memory.C4RAM+0x0623); OAMptr2=Memory.C4RAM+0x200+(Memory.C4RAM[0x626]>>2); -#ifdef DEBUGGER - if(Memory.C4RAM[0x625]!=0) printf("$6625=%02x, expected 00\n", Memory.C4RAM[0x625]); - if((Memory.C4RAM[0x626]>>2)!=Memory.C4RAM[0x629]) printf("$6629=%02x, expected %02x\n", Memory.C4RAM[0x629], (Memory.C4RAM[0x626]>>2)); - if(((uint16)Memory.C4RAM[0x626]<<2)!=READ_WORD(Memory.C4RAM+0x627)) printf("$6627=%04x, expected %04x\n", READ_WORD(Memory.C4RAM+0x627), ((uint16)Memory.C4RAM[0x626]<<2)); -#endif - if(Memory.C4RAM[0x0620]!=0){ SprCount=128-Memory.C4RAM[0x626]; uint8 offset=(Memory.C4RAM[0x626]&3)*2; @@ -270,11 +261,6 @@ static void C4DoScaleRotate(int row_padding){ int32 Cx=(int16)READ_WORD(Memory.C4RAM+0x1f83); int32 Cy=(int16)READ_WORD(Memory.C4RAM+0x1f86); -#ifdef DEBUGGER - if(Memory.C4RAM[0x1f97]!=0) printf("$7f97=%02x, expected 00\n", Memory.C4RAM[0x1f97]); - if((Cx&~1)!=w/2 || (Cy&~1)!=h/2) printf("Center is not middle of image! (%d, %d) != (%d, %d)\n", Cx, Cy, w/2, h/2); -#endif - // Calculate start position (i.e. (Ox, Oy) = (0, 0)) // The low 12 bits are fractional, so (Cx<<12) gives us the Cx we want in // the function. We do Cx*A etc normally because the matrix parameters @@ -381,11 +367,6 @@ static void C4DrawWireFrame(void) int16 X2, Y2, Z2; uint8 Color; -#ifdef DEBUGGER - if(READ_3WORD(Memory.C4RAM+0x1f8f)&0xff00ff) printf("wireframe: Unexpected value in $7f8f: %06x\n", READ_3WORD(Memory.C4RAM+0x1f8f)); - if(READ_3WORD(Memory.C4RAM+0x1fa4)!=0x001000) printf("wireframe: Unexpected value in $7fa4: %06x\n", READ_3WORD(Memory.C4RAM+0x1fa4)); -#endif - for(int i=Memory.C4RAM[0x0295]; i>0; i--, line+=5){ if(line[0]==0xff && line[1]==0xff){ uint8 *tmp=line-5; @@ -413,10 +394,6 @@ static void C4TransformLines(void){ C4WFDist=Memory.C4RAM[0x1f89]; C4WFScale=Memory.C4RAM[0x1f8c]; -#ifdef DEBUGGER - if(Memory.C4RAM[0x1f8a]!=0x90) printf("lines: $7f8a = %02x, expected 90\n", READ_WORD(Memory.C4RAM+0x1f8a)); -#endif - // transform vertices uint8 *ptr=Memory.C4RAM; { @@ -469,10 +446,6 @@ static void C4BitPlaneWave(){ uint16 mask1=0xc0c0; uint16 mask2=0x3f3f; -#ifdef DEBUGGER - if(READ_3WORD(Memory.C4RAM+0x1f80) != Memory.C4RAM[waveptr+0xb00]) printf("$7f80=%06x, expected %02x\n", READ_3WORD(Memory.C4RAM+0x1f80), Memory.C4RAM[waveptr+0xb00]); -#endif - for(int j=0; j<0x10; j++){ do { int16 height=-((int8)Memory.C4RAM[waveptr+0xb00])-16; @@ -529,10 +502,6 @@ static void C4SprDisintegrate() Cx=(int16)READ_WORD(Memory.C4RAM+0x1f80); Cy=(int16)READ_WORD(Memory.C4RAM+0x1f83); -#ifdef DEBUGGER - if((Cx&~1)!=width/2 || (Cy&~1)!=height/2) printf("Center is not middle of image for disintegrate! (%d, %d) != (%d, %d)\n", Cx, Cy, width/2, height/2); -#endif - scaleX=(int16)READ_WORD(Memory.C4RAM+0x1f86); scaleY=(int16)READ_WORD(Memory.C4RAM+0x1f8f); StartX=-Cx*scaleX+(Cx<<8); @@ -565,58 +534,34 @@ static void S9xC4ProcessSprites() switch(Memory.C4RAM[0x1f4d]) { case 0x00: // Build OAM -#ifdef DEBUGGER -// printf("00 00 Build OAM!\n"); -#endif C4ConvOAM(); break; case 0x03: // Scale/Rotate -#ifdef DEBUGGER -// printf("00 03 Scale/Rotate!\n"); -#endif C4DoScaleRotate(0); break; case 0x05: // Transform Lines -#ifdef DEBUGGER -// printf("00 05 Transform Lines!\n"); -#endif C4TransformLines(); break; case 0x07: // Scale/Rotate -#ifdef DEBUGGER -// printf("00 07 Scale/Rotate!\n"); -#endif C4DoScaleRotate(64); break; case 0x08: // Draw wireframe -#ifdef DEBUGGER -// printf("00 08 Draw wireframe!\n"); -#endif C4DrawWireFrame(); break; case 0x0b: // Disintegrate -#ifdef DEBUGGER - printf("00 0b Disintegrate!\n"); -#endif C4SprDisintegrate(); break; case 0x0c: // Wave -#ifdef DEBUGGER -// printf("00 0b Wave!\n"); -#endif C4BitPlaneWave(); break; default: -#ifdef DEBUGGER - printf ("Unknown C4 sprite command (%02x)\n", Memory.C4RAM [0x1f4d]); -#endif break; } } @@ -624,20 +569,13 @@ static void S9xC4ProcessSprites() void S9xSetC4 (uint8 byte, uint16 Address) { int i; - -#ifdef DEBUGGER - if(Settings.BGLayering) printf("%02x to %04x\n", byte, Address); -#endif Memory.C4RAM [Address-0x6000] = byte; if (Address == 0x7f4f) - { - if(Memory.C4RAM[0x1f4d]==0x0e && byte<0x40 && (byte&3)==0) - { -#ifdef DEBUGGER - printf("Test command %02x 0e used!\n", byte); -#endif - Memory.C4RAM[0x1f80]=byte>>2; - } + { + if(Memory.C4RAM[0x1f4d]==0x0e && byte<0x40 && (byte&3)==0) + { + Memory.C4RAM[0x1f80]=byte>>2; + } else { switch (byte) @@ -647,19 +585,11 @@ void S9xSetC4 (uint8 byte, uint16 Address) break; case 0x01: // Draw wireframe -#ifdef DEBUGGER - //printf("01 Draw wireframe used!\n"); - if(Memory.C4RAM[0x1f4d]!=8) printf("$7f4d=%02x, expected 08 for command 01 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif memset(Memory.C4RAM+0x300, 0, 16*12*3*4); C4DrawWireFrame(); break; case 0x05: // Propulsion (?) -#ifdef DEBUGGER - printf("05 Propulsion (?)!\n"); - if(Memory.C4RAM[0x1f4d]!=2) printf("$7f4d=%02x, expected 02 for command 05 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif { int32 tmp=0x10000; if(READ_WORD(Memory.C4RAM+0x1f83)){ @@ -670,10 +600,6 @@ void S9xSetC4 (uint8 byte, uint16 Address) break; case 0x0d: // Set vector length -#ifdef DEBUGGER - printf("0d Set vector length!\n"); - if(Memory.C4RAM[0x1f4d]!=2) printf("$7f4d=%02x, expected 02 for command 0d %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif C41FXVal=READ_WORD(Memory.C4RAM+0x1f80); C41FYVal=READ_WORD(Memory.C4RAM+0x1f83); C41FDistVal=READ_WORD(Memory.C4RAM+0x1f86); @@ -683,10 +609,6 @@ void S9xSetC4 (uint8 byte, uint16 Address) break; case 0x10: // Polar to rectangluar -#ifdef DEBUGGER -// printf("10 Polar->Rect!\n"); - if(Memory.C4RAM[0x1f4d]!=2) printf("$7f4d=%02x, expected 02 for command 10 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif { int32 tmp=SAR((int32)READ_WORD(Memory.C4RAM+0x1f83)*C4CosTable[READ_WORD(Memory.C4RAM+0x1f80)&0x1ff]*2, 16); WRITE_3WORD(Memory.C4RAM+0x1f86, tmp); @@ -696,10 +618,6 @@ void S9xSetC4 (uint8 byte, uint16 Address) break; case 0x13: // Polar to rectangluar -#ifdef DEBUGGER -// printf("13 Polar->Rect!\n"); - if(Memory.C4RAM[0x1f4d]!=2) printf("$7f4d=%02x, expected 02 for command 13 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif { int32 tmp=SAR((int32)READ_WORD(Memory.C4RAM+0x1f83)*C4CosTable[READ_WORD(Memory.C4RAM+0x1f80)&0x1ff]*2, 8); WRITE_3WORD(Memory.C4RAM+0x1f86, tmp); @@ -709,10 +627,6 @@ void S9xSetC4 (uint8 byte, uint16 Address) break; case 0x15: // Pythagorean -#ifdef DEBUGGER - printf("15 Pythagorean!\n"); - if(Memory.C4RAM[0x1f4d]!=2) printf("$7f4d=%02x, expected 02 for command 15 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif C41FXVal=READ_WORD(Memory.C4RAM+0x1f80); C41FYVal=READ_WORD(Memory.C4RAM+0x1f83); C41FDist=(int16)sqrt((double)C41FXVal*C41FXVal + (double)C41FYVal*C41FYVal); @@ -720,10 +634,6 @@ void S9xSetC4 (uint8 byte, uint16 Address) break; case 0x1f: // atan -#ifdef DEBUGGER -// printf("1f atan!\n"); - if(Memory.C4RAM[0x1f4d]!=2) printf("$7f4d=%02x, expected 02 for command 1f %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif C41FXVal=READ_WORD(Memory.C4RAM+0x1f80); C41FYVal=READ_WORD(Memory.C4RAM+0x1f83); C4Op1F(); @@ -732,16 +642,8 @@ void S9xSetC4 (uint8 byte, uint16 Address) case 0x22: // Trapezoid { -#ifdef DEBUGGER -// printf("22 Trapezoid!\n"); - if(Memory.C4RAM[0x1f4d]!=2) printf("$7f4d=%02x, expected 02 for command 22 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif int16 angle1=READ_WORD(Memory.C4RAM+0x1f8c)&0x1ff; int16 angle2=READ_WORD(Memory.C4RAM+0x1f8f)&0x1ff; -#ifdef DEBUGGER - if(C4CosTable[angle1]==0) fprintf(stderr, "22 Trapezoid: Invalid tangent! angle1=%d\n", angle1); - if(C4CosTable[angle2]==0) fprintf(stderr, "22 Trapezoid: Invalid tangent! angle2=%d\n", angle2); -#endif int32 tan1=(C4CosTable[angle1]!=0)?((((int32)C4SinTable[angle1])<<16)/C4CosTable[angle1]):0x80000000; int32 tan2=(C4CosTable[angle2]!=0)?((((int32)C4SinTable[angle2])<<16)/C4CosTable[angle2]):0x80000000; int16 y = READ_WORD(Memory.C4RAM+0x1f83) - READ_WORD(Memory.C4RAM+0x1f89); @@ -788,10 +690,6 @@ void S9xSetC4 (uint8 byte, uint16 Address) break; case 0x25: // Multiply -#ifdef DEBUGGER - printf("25 Multiply!\n"); - if(Memory.C4RAM[0x1f4d]!=2) printf("$7f4d=%02x, expected 02 for command 25 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif { int32 foo=READ_3WORD(Memory.C4RAM+0x1f80); int32 bar=READ_3WORD(Memory.C4RAM+0x1f83); @@ -801,12 +699,6 @@ void S9xSetC4 (uint8 byte, uint16 Address) break; case 0x2d: // Transform Coords -#ifdef DEBUGGER -// printf("2d Transform Coords!\n"); - if(Memory.C4RAM[0x1f4d]!=2) printf("$7f4d=%02x, expected 02 for command 2d %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); - if(READ_3WORD(Memory.C4RAM+0x1f8f)&0xff00ff) printf("2d transform coords: Unexpected value in $7f8f: %06x\n", READ_3WORD(Memory.C4RAM+0x1f8f)); - if(READ_3WORD(Memory.C4RAM+0x1f8c)!=0x001000) printf("0d transform coords: Unexpected value in $7f8c: %06x\n", READ_3WORD(Memory.C4RAM+0x1f8c)); -#endif C4WFXVal=READ_WORD(Memory.C4RAM+0x1f81); C4WFYVal=READ_WORD(Memory.C4RAM+0x1f84); C4WFZVal=READ_WORD(Memory.C4RAM+0x1f87); @@ -820,10 +712,6 @@ void S9xSetC4 (uint8 byte, uint16 Address) break; case 0x40: // Sum -#ifdef DEBUGGER - printf("40 Sum!\n"); - if(Memory.C4RAM[0x1f4d]!=0x0e) printf("$7f4d=%02x, expected 0e for command 40 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif { uint16 sum=0; for(int i=0; i<0x800; sum+=Memory.C4RAM[i++]); @@ -832,10 +720,6 @@ void S9xSetC4 (uint8 byte, uint16 Address) break; case 0x54: // Square -#ifdef DEBUGGER - printf("54 Square!\n"); - if(Memory.C4RAM[0x1f4d]!=0x0e) printf("$7f4d=%02x, expected 0e for command 54 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif { int64 a=SAR((int64)READ_3WORD(Memory.C4RAM+0x1f80)<<40, 40); // printf("%08X%08X\n", (uint32)(a>>32), (uint32)(a&0xFFFFFFFF)); @@ -847,37 +731,21 @@ void S9xSetC4 (uint8 byte, uint16 Address) break; case 0x5c: // Immediate Reg -#ifdef DEBUGGER - printf("5c Immediate Reg!\n"); - if(Memory.C4RAM[0x1f4d]!=0x0e) printf("$7f4d=%02x, expected 0e for command 5c %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif for (i = 0; i < 12 * 4; i++) Memory.C4RAM [i] = C4TestPattern [i]; break; case 0x89: // Immediate ROM -#ifdef DEBUGGER - printf("89 Immediate ROM!\n"); - if(Memory.C4RAM[0x1f4d]!=0x0e) printf("$7f4d=%02x, expected 0e for command 89 %02x\n", Memory.C4RAM[0x1f4d], Memory.C4RAM[0x1f4d]); -#endif Memory.C4RAM [0x1f80] = 0x36; Memory.C4RAM [0x1f81] = 0x43; Memory.C4RAM [0x1f82] = 0x05; break; default: -#ifdef DEBUGGER - printf ("Unknown C4 command (%02x)\n", byte); -#endif break; } } } else if (Address == 0x7f47) { -#ifdef DEBUGGER -// printf("C4 load memory %06x => %04x, %04x bytes\n", READ_3WORD(Memory.C4RAM+0x1f40), READ_WORD(Memory.C4RAM+0x1f45), READ_WORD(Memory.C4RAM+0x1f43)); - if(byte != 0) printf("C4 load: non-0 written to $7f47! Wrote %02x\n", byte); - if(READ_WORD(Memory.C4RAM+0x1f45) < 0x6000 || (READ_WORD(Memory.C4RAM+0x1f45) + READ_WORD(Memory.C4RAM+0x1f43)) > 0x6c00) printf("C4 load: Dest unusual! It's %04x\n", READ_WORD(Memory.C4RAM+0x1f45)); -#endif // memmove required: Can overlap arbitrarily [Neb] memmove(Memory.C4RAM+(READ_WORD(Memory.C4RAM+0x1f45)&0x1fff), S9xGetMemPointer(READ_3WORD(Memory.C4RAM+0x1f40)), |