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preliminary DCPL GTE opcode [smf]

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This commit is contained in:
smf- 2012-12-10 23:36:17 +00:00
parent d4d7df9833
commit 412bcc73f1
1 changed files with 38 additions and 1 deletions
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39
src/emu/cpu/psx/gte.c
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@ -2519,6 +2519,7 @@ int gte::docop2( UINT32 pc, int gteop )
return 1;
}
break;
case 0x13:
if( gteop == 0x0e80413 )
{
@ -2558,6 +2559,7 @@ int gte::docop2( UINT32 pc, int gteop )
return 1;
}
break;
case 0x14:
if( gteop == 0x1280414 )
{
@ -2591,6 +2593,7 @@ int gte::docop2( UINT32 pc, int gteop )
return 1;
}
break;
case 0x16:
if( gteop == 0x0f80416 )
{
@ -2633,6 +2636,7 @@ int gte::docop2( UINT32 pc, int gteop )
return 1;
}
break;
case 0x1b:
if( gteop == 0x108041b || gteop == 0x118041b )
{
@ -2672,6 +2676,7 @@ int gte::docop2( UINT32 pc, int gteop )
return 1;
}
break;
case 0x1c:
if( gteop == 0x138041c )
{
@ -2705,6 +2710,7 @@ int gte::docop2( UINT32 pc, int gteop )
return 1;
}
break;
case 0x1e:
if( gteop == 0x0c8041e )
{
@ -2738,6 +2744,7 @@ int gte::docop2( UINT32 pc, int gteop )
return 1;
}
break;
case 0x20:
if( gteop == 0x0d80420 )
{
@ -2790,7 +2797,34 @@ int gte::docop2( UINT32 pc, int gteop )
IR3 = Lm_B3( MAC3, lm );
return 1;
// DCPL 0x29
case 0x29:
if( gteop == 0x0680029 )
{
GTELOG( pc, "%08x DCPL", gteop );
FLAG = 0;
MAC1 = A1( ( ( ( (INT64) R << 4 ) * IR1 ) + ( IR0 * Lm_B1( RFC - ( ( R * IR1 ) >> 8 ), 0 ) ) ) >> 12 );
MAC2 = A2( ( ( ( (INT64) G << 4 ) * IR2 ) + ( IR0 * Lm_B2( GFC - ( ( G * IR2 ) >> 8 ), 0 ) ) ) >> 12 );
MAC3 = A3( ( ( ( (INT64) B << 4 ) * IR3 ) + ( IR0 * Lm_B3( BFC - ( ( B * IR3 ) >> 8 ), 0 ) ) ) >> 12 );
IR1 = Lm_B1( MAC1, 1 );
IR2 = Lm_B2( MAC2, 1 );
IR3 = Lm_B3( MAC3, 1 );
CD0 = CD1;
CD1 = CD2;
CD2 = CODE;
R0 = R1;
R1 = R2;
R2 = Lm_C1( MAC1 >> 4 );
G0 = G1;
G1 = G2;
G2 = Lm_C2( MAC2 >> 4 );
B0 = B1;
B1 = B2;
B2 = Lm_C3( MAC3 >> 4 );
return 1;
}
break;
case 0x2a:
if( gteop == 0x0f8002a )
{
@ -2871,6 +2905,7 @@ int gte::docop2( UINT32 pc, int gteop )
return 1;
}
break;
case 0x3d:
if( GTE_OP( gteop ) == 0x09 ||
GTE_OP( gteop ) == 0x19 )
@ -2900,6 +2935,7 @@ int gte::docop2( UINT32 pc, int gteop )
return 1;
}
break;
case 0x3e:
if( GTE_OP( gteop ) == 0x1a )
{
@ -2928,6 +2964,7 @@ int gte::docop2( UINT32 pc, int gteop )
return 1;
}
break;
case 0x3f:
if( gteop == 0x108043f ||
gteop == 0x118043f )