jrd/vrtue
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

emu: ROL/ROR operations

Browse Source
This commit is contained in:
Jared Burce
2021-03-29 22:56:16 -07:00
parent f5ab9cfad2
commit d8600151d6
4 changed files with 66 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/emu/i8088.rs
View File

@@ -520,16 +520,24 @@ impl i8088 {
0xBF => mov[reg=di, d16] / 4,
0xC3 => pop[bus, regval=ss, reg=sp, reg=ip] / 20, // RET
0xCD => int[cpu, bus, d8] / 71,
0xD0: { 0x20 => shl[form=byte3, flags, modrm8, const=1u8] / "2/23+", // SHL r/m8, 1
0xD0: { 0x00 => rol[form=byte3, flags, modrm8, const=1u8] / "2/23+", // ROL r/m16, 1
0x08 => ror[form=byte3, flags, modrm8, const=1u8] / "2/23+", // ROR r/m16, 1
0x20 => shl[form=byte3, flags, modrm8, const=1u8] / "2/23+", // SHL r/m8, 1
0x28 => shr[form=byte3, flags, modrm8, const=1u8] / "2/23+", // SHR r/m8, 1
0x38 => sar[form=byte3, flags, modrm8, const=1u8] / "2/23+" }, // SAR r/m8, 1
0xD1: { 0x20 => shl[form=word3, flags, modrm16, const=1u16] / "2/23+", // SHL r/m16, 1
0xD1: { 0x00 => rol[form=word3, flags, modrm16, const=1u16] / "2/23+", // ROL r/m16, 1
0x08 => ror[form=word3, flags, modrm16, const=1u16] / "2/23+", // ROR r/m16, 1
0x20 => shl[form=word3, flags, modrm16, const=1u16] / "2/23+", // SHL r/m16, 1
0x28 => shr[form=word3, flags, modrm16, const=1u16] / "2/23+", // SHR r/m16, 1
0x38 => sar[form=word3, flags, modrm16, const=1u16] / "2/23+" }, // SAR r/m16, 1
0xD2: { 0x20 => shl[form=byte3, flags, modrm8, reglo=c] / "2/23+", // SHL r/m8, CL
0xD2: { 0x00 => rol[form=byte3, flags, modrm8, reglo=c] / "8/28++4n", // ROL r/m8, CL
0x08 => ror[form=byte3, flags, modrm8, reglo=c] / "8/28++4n", // ROR r/m8, CL
0x20 => shl[form=byte3, flags, modrm8, reglo=c] / "2/23+", // SHL r/m8, CL
0x28 => shr[form=byte3, flags, modrm8, reglo=c] / "2/23+", // SHR r/m8, CL
0x38 => sar[form=byte3, flags, modrm8, reglo=c] / "2/23+" }, // SAR r/m8, CL
0xD3: { 0x20 => shl[form=word3, flags, modrm16, reglo=c] / "2/23+", // SHL r/m16, CL
0xD3: { 0x00 => rol[form=word3, flags, modrm16, reglo=c] / "8/28++4n", // ROL r/m16, CL
0x08 => ror[form=word3, flags, modrm16, reglo=c] / "8/28++4n", // ROR r/m16, CL
0x20 => shl[form=word3, flags, modrm16, reglo=c] / "2/23+", // SHL r/m16, CL
0x28 => shr[form=word3, flags, modrm16, reglo=c] / "2/23+", // SHR r/m16, CL
0x38 => sar[form=word3, flags, modrm16, reglo=c] / "2/23+" }, // SAR r/m16, CL
0xE3 => jcxz[reg=ip, reg=c, rel8] / "18/6", // JCXZ rel8