From c7abc8640c52f63f655ba38585b37c8548527b63 Mon Sep 17 00:00:00 2001 From: notaz Date: Mon, 24 Jan 2011 19:26:38 +0200 Subject: [PATCH] drc: fix COP2 decoding --- libpcsxcore/new_dynarec/new_dynarec.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c index 63e21e17..00b23ee0 100644 --- a/libpcsxcore/new_dynarec/new_dynarec.c +++ b/libpcsxcore/new_dynarec/new_dynarec.c @@ -8128,19 +8128,20 @@ int new_recompile_block(int addr) #endif #ifdef PCSX case 0x12: strcpy(insn[i],"COP2"); type=NI; + // note: COP MIPS-1 encoding differs from MIPS32 op2=(source[i]>>21)&0x1f; - switch(op2) + if (source[i]&0x3f) { + if (gte_handlers[source[i]&0x3f]!=NULL) { + snprintf(insn[i], sizeof(insn[i]), "COP2 %x", source[i]&0x3f); + type=C2OP; + } + } + else switch(op2) { case 0x00: strcpy(insn[i],"MFC2"); type=COP2; break; case 0x02: strcpy(insn[i],"CFC2"); type=COP2; break; case 0x04: strcpy(insn[i],"MTC2"); type=COP2; break; case 0x06: strcpy(insn[i],"CTC2"); type=COP2; break; - default: - if (gte_handlers[source[i]&0x3f]!=NULL) { - snprintf(insn[i], sizeof(insn[i]), "COP2 %x", source[i]&0x3f); - type=C2OP; - } - break; } break; case 0x32: strcpy(insn[i],"LWC2"); type=C2LS; break; -- 2.39.2