Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-19 23:12:11 +03:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

Merge pull request #2721 from DavidHaywood/131017

Browse Source 
a few dasm fixes that were in the sh4 core but not the sh2 core and got lost when merging them (nw)
This commit is contained in:
ajrhacker 2017-10-16 14:58:59 -04:00 committed by GitHub
commit e37cf6f659
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/devices/cpu/sh/sh_dasm.cpp
View File

@ -9,7 +9,10 @@
static const char *const regname[16] = {
"R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
"R8", "R9", "R10","R11","R12","R13","R14","SP"
"R8", "R9", "R10","R11","R12","R13","R14",
// The old SH2 dasm used 'SP' here, the old SH4 used 'R15'
//"SP"
"R15"
};
static uint32_t op0000(std::ostream &stream, uint32_t pc, uint16_t opcode)
@ -456,7 +459,7 @@ static uint32_t op1000(std::ostream &stream, uint32_t pc, uint16_t opcode)
util::stream_format(stream, "MOV.B @($%02X,%s),R0", (opcode & 15), regname[Rm]);
break;
case 5:
util::stream_format(stream, "MOV.W @($%02X,%s),R0", (opcode & 15), regname[Rm]);
util::stream_format(stream, "MOV.W @($%02X,%s),R0", (opcode & 15) * 2, regname[Rm]);
break;
case 8:
util::stream_format(stream, "CMP/EQ #$%02X,R0", (opcode & 0xff));
@ -557,7 +560,7 @@ static uint32_t op1100(std::ostream &stream, uint32_t pc, uint16_t opcode)
static uint32_t op1101(std::ostream &stream, uint32_t pc, uint16_t opcode)
{
util::stream_format(stream, "MOV.L @($%02X,PC),%s [%08X]", (opcode * 4) & 0xff, regname[Rn], ((pc + 2) & ~3) + (opcode & 0xff) * 4);
util::stream_format(stream, "MOV.L @($%04X,PC),%s [%08X]", (opcode & 0xff) * 4, regname[Rn], ((pc + 2) & ~3) + (opcode & 0xff) * 4);
return 0;
}