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Diffstat (limited to 'source/c4emu.cpp')
-rw-r--r--source/c4emu.cpp142
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)),
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 19:14:00 +0000