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added undocumented opcode that behaves like DPCL [smf]

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smf- 2013-09-10 12:09:18 +00:00
parent 723dae9770
commit 0871d50819
2 changed files with 4 additions and 2 deletions
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3
src/emu/cpu/psx/gte.c
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@ -492,7 +492,7 @@ int gte::docop2( UINT32 pc, int gteop )
switch( GTE_FUNCT( gteop ) ) switch( GTE_FUNCT( gteop ) )
{ {
case 0x00: case 0x00: // drop through to RTPS
case 0x01: case 0x01:
GTELOG( pc, "%08x RTPS", gteop ); GTELOG( pc, "%08x RTPS", gteop );
@ -792,6 +792,7 @@ int gte::docop2( UINT32 pc, int gteop )
IR3 = Lm_B3( MAC3, lm ); IR3 = Lm_B3( MAC3, lm );
return 1; return 1;
case 0x1a: // end of NCDT
case 0x29: case 0x29:
GTELOG( pc, "%08x DPCL", gteop ); GTELOG( pc, "%08x DPCL", gteop );

3
src/emu/cpu/psx/psxdasm.c
View File

@ -497,7 +497,7 @@ unsigned DasmPSXCPU( DasmPSXCPU_state *state, char *buffer, UINT32 pc, const UIN
switch( GTE_FUNCT( op ) ) switch( GTE_FUNCT( op ) )
{ {
case 0x00: case 0x00: // drop through to RTPS
case 0x01: case 0x01:
sprintf( buffer, "rtps%s%s", s_gtesf[ GTE_SF( op ) ], s_gtelm[ GTE_LM( op ) ] ); sprintf( buffer, "rtps%s%s", s_gtesf[ GTE_SF( op ) ], s_gtelm[ GTE_LM( op ) ] );
break; break;
@ -541,6 +541,7 @@ unsigned DasmPSXCPU( DasmPSXCPU_state *state, char *buffer, UINT32 pc, const UIN
case 0x28: case 0x28:
sprintf( buffer, "sqr%s%s", s_gtesf[ GTE_SF( op ) ], s_gtelm[ GTE_LM( op ) ] ); sprintf( buffer, "sqr%s%s", s_gtesf[ GTE_SF( op ) ], s_gtelm[ GTE_LM( op ) ] );
break; break;
case 0x1a: // end of NCDT
case 0x29: case 0x29:
sprintf( buffer, "dpcl%s%s", s_gtesf[ GTE_SF( op ) ], s_gtelm[ GTE_LM( op ) ] ); sprintf( buffer, "dpcl%s%s", s_gtesf[ GTE_SF( op ) ], s_gtelm[ GTE_LM( op ) ] );
break; break;