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add ad/sb b/c a

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Redo
2022-11-01 13:46:18 -06:00
parent c1fd3d1d30
commit ceb4a457f7
2 changed files with 15 additions and 7 deletions
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rom-8608-defs.lua
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@@ -187,6 +187,10 @@ instructions = {
{ mnem="ior c" , opcode=0xAB, {"aluA", "alurC","aluIor", "aluSaveNZ","instrNext"}, desc="A|=C, set zero flag" },
{ mnem="xor c" , opcode=0xAC, {"aluA", "alurC","aluXor", "aluSaveNZ","instrNext"}, desc="A^=C, set zero flag" },
{ mnem="ann c" , opcode=0xAD, {"aluA", "alurC","aluAnd","aluRInv", "aluSaveNZ","instrNext"}, desc="A&=~C, set zero flag" },
{ mnem="adb a" , opcode=0xBE, {"aluB", "alurA","aluAdd", "aluSaveCarry","aluSaveNZ","instrNext"}, desc="B+=A, set flags" },
{ mnem="sbb a" , opcode=0xBF, {"aluB", "alurA","aluAdd","aluRInv","aluCinOn","aluSaveCarry","aluSaveNZ","instrNext"}, desc="B-=A, set flags" },
{ mnem="adc a" , opcode=0x4E, {"aluC", "alurA","aluAdd", "aluSaveCarry","aluSaveNZ","instrNext"}, desc="C+=A, set flags" },
{ mnem="sbc a" , opcode=0x4F, {"aluC", "alurA","aluAdd","aluRInv","aluCinOn","aluSaveCarry","aluSaveNZ","instrNext"}, desc="C-=A, set flags" },
{ category = "Jumps", catlet="J" },
{ mnem="jmp imm16" , opcode=0x60, {"loadImm161","instrSub1"}, {"loadImm162","instrSub2"}, {"jmpAbsUT" }, desc="I=imm16" },