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add aliases, fix cond jumps

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Redo
2022-11-01 10:08:45 -06:00
parent dfc9f18ec7
commit 46e5b83cef
4 changed files with 25 additions and 16 deletions
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12
rom-8608-defs.lua
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@@ -184,12 +184,12 @@ instructions = {
{ mnem="jmp q" , opcode=0x66, {"jmpAbsQ" }, desc="I=Q" },
{ mnem="jsr q" , opcode=0x67, {"jmpAbsQ","saveRetAddr"}, desc="I=Q, Q=I" },
{ mnem="jpr imm8" , opcode=0x31, ncycles=2, {"loadImmed","memSaveT","instrSub1"}, {"jmpRelT"}, desc="I+=imm8" },
{ mnem="jnz imm8" , opcode=0x30, ncycles=2, {"loadImmed","memSaveT","instrSub23Cond","instrNext0NZ" }, {}, {"instrNext"}, {"jmpRelT"}, desc="I+=imm8 if !Zero" },
{ mnem="jpz imm8" , opcode=0x32, ncycles=2, {"loadImmed","memSaveT","instrSub23Cond","instrNext0Z" }, {}, {"instrNext"}, {"jmpRelT"}, desc="I+=imm8 if Zero" },
{ mnem="jlt imm8" , opcode=0x33, ncycles=2, {"loadImmed","memSaveT","instrSub23Cond","instrNext0NC" }, {}, {"instrNext"}, {"jmpRelT"}, desc="I+=imm8 if !Carry" },
{ mnem="jge imm8" , opcode=0x34, ncycles=2, {"loadImmed","memSaveT","instrSub23Cond","instrNext0C" }, {}, {"instrNext"}, {"jmpRelT"}, desc="I+=imm8 if Carry" },
{ mnem="jle imm8" , opcode=0x35, ncycles=2, {"loadImmed","memSaveT","instrSub23Cond","instrNext0C","instrNext0Z"}, {}, {"jmpRelT"}, {"instrNext"}, desc="I+=imm8 if !Zero&!Carry" },
{ mnem="jgt imm8" , opcode=0x36, ncycles=2, {"loadImmed","memSaveT","instrSub23Cond","instrNext0C","instrNext0Z"}, {}, {"instrNext"}, {"jmpRelT"}, desc="I+=imm8 if Zero|Carry" },
{ mnem="jnz imm8" , opcode=0x30, ncycles=2, {"loadImmed","memSaveT","instrSub23Cond","instrNext0NZ" }, {}, {"instrNext"}, {"jmpRelT"}, desc="I+=imm8 if !Zero" },
{ mnem="jpz imm8" , opcode=0x32, ncycles=2, {"loadImmed","memSaveT","instrSub23Cond","instrNext0Z" }, {}, {"instrNext"}, {"jmpRelT"}, desc="I+=imm8 if Zero" },
{ mnem="jlt imm8" , opcode=0x33, ncycles=2, {"loadImmed","memSaveT","instrSub23Cond","instrNext0NC" }, {}, {"instrNext"}, {"jmpRelT"}, desc="I+=imm8 if !Carry" },
{ mnem="jge imm8" , opcode=0x34, ncycles=2, {"loadImmed","memSaveT","instrSub23Cond","instrNext0C" }, {}, {"instrNext"}, {"jmpRelT"}, desc="I+=imm8 if Carry" },
{ mnem="jgt imm8" , opcode=0x35, ncycles=2, {"loadImmed","memSaveT","instrSub23Cond","instrNext0NC","instrNext0Z"}, {}, {"jmpRelT"}, {"instrNext"}, desc="I+=imm8 if !Zero & Carry" },
{ mnem="jle imm8" , opcode=0x36, ncycles=2, {"loadImmed","memSaveT","instrSub23Cond","instrNext0NC","instrNext0Z"}, {}, {"instrNext"}, {"jmpRelT"}, desc="I+=imm8 if Zero | !Carry" },
{ category = "Stack", catlet="S" },
{ mnem="pha" , opcode=0x40, {"pushReg","alurA","instrSub1"}, {"instrNext"}, desc="*(S++)=A" },