Fixes PPU disasm for branch opcodes

This commit is contained in:
TGEnigma 2018-04-16 14:43:45 +02:00 committed by Ivan
parent da6f98f310
commit 6baf675205
2 changed files with 8 additions and 7 deletions

View File

@ -905,13 +905,13 @@ void PPUDisAsm::SC(ppu_opcode_t op)
void PPUDisAsm::B(ppu_opcode_t op)
{
const u32 ll = op.ll;
const u32 li = op.li;
const u32 aa = op.aa;
const u32 lk = op.lk;
if (m_mode == CPUDisAsm_CompilerElfMode)
{
Write(fmt::format("b 0x%x, %d, %d", ll, aa, lk));
Write(fmt::format("b 0x%x, %d, %d", li, aa, lk));
return;
}
@ -920,16 +920,16 @@ void PPUDisAsm::B(ppu_opcode_t op)
case 0:
switch (aa)
{
case 0: DisAsm_BRANCH("b", ll); break;
case 1: DisAsm_BRANCH_A("ba", ll); break;
case 0: DisAsm_BRANCH("b", li); break;
case 1: DisAsm_BRANCH_A("ba", li); break;
}
break;
case 1:
switch (aa)
{
case 0: DisAsm_BRANCH("bl", ll); break;
case 1: DisAsm_BRANCH_A("bla", ll); break;
case 0: DisAsm_BRANCH("bl", li); break;
case 1: DisAsm_BRANCH_A("bla", li); break;
}
break;
}

View File

@ -32,6 +32,7 @@ union ppu_opcode_t
ppu_bf_t<s32, 16, 14> ds; // 16..29, signed
ppu_bf_t<s32, 11, 5> vsimm; // 11..15, signed
ppu_bf_t<s32, 6, 26> ll; // 6..31, signed
ppu_bf_t<s32, 6, 24> li; // 6..29, signed
ppu_bf_t<u32, 20, 7> lev; // 20..26
ppu_bf_t<u32, 16, 4> i; // 16..19
ppu_bf_t<u32, 11, 3> crfs; // 11..13
@ -611,7 +612,7 @@ namespace ppu_instructions
inline u32 ORIS(u32 rt, u32 ra, u32 ui) { ppu_opcode_t op{ 0x19u << 26 }; op.rd = rt; op.ra = ra; op.uimm16 = ui; return op.opcode; }
inline u32 OR(u32 ra, u32 rs, u32 rb, bool rc = false) { ppu_opcode_t op{ 0x1fu << 26 | 0x1bcu << 1 }; op.rs = rs; op.ra = ra; op.rb = rb; op.rc = rc; return op.opcode; }
inline u32 SC(u32 lev) { ppu_opcode_t op{ 0x11u << 26 | 1 << 1 }; op.lev = lev; return op.opcode; }
inline u32 B(s32 li, bool aa = false, bool lk = false) { ppu_opcode_t op{ 0x12u << 26 }; op.ll = li; op.aa = aa; op.lk = lk; return op.opcode; }
inline u32 B(s32 li, bool aa = false, bool lk = false) { ppu_opcode_t op{0x12u << 26}; op.ll = li; op.aa = aa; op.lk = lk; return op.opcode; }
inline u32 BC(u32 bo, u32 bi, s32 bd, bool aa = false, bool lk = false) { ppu_opcode_t op{ 0x10u << 26 }; op.bo = bo; op.bi = bi; op.ds = bd / 4; op.aa = aa; op.lk = lk; return op.opcode; }
inline u32 BCLR(u32 bo, u32 bi, u32 bh, bool lk = false) { ppu_opcode_t op{ 0x13u << 26 | 0x10u << 1 }; op.bo = bo; op.bi = bi; op.bh = bh; op.lk = lk; return op.opcode; }
inline u32 BCCTR(u32 bo, u32 bi, u32 bh, bool lk = false) { ppu_opcode_t op{ 0x13u << 26 | 0x210u << 1 }; op.bo = bo; op.bi = bi; op.bh = bh; op.lk = lk; return op.opcode; }