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| author | Jan Tuomi <jan@jantuomi.fi> | 2024-04-12 14:57:45 +0300 |
|---|---|---|
| committer | Jan Tuomi <jan@jantuomi.fi> | 2024-04-12 14:57:45 +0300 |
| commit | 4f78086920cd4e2cee6d970decaee7025875f2a9 (patch) | |
| tree | 1ef780401e5e26c20649c90e8713c02fc0fe90d6 /atk16_asm | |
| parent | 0603e19435b4304fabd91f840325a153ce31cae2 (diff) | |
Implement signed multiplication
Diffstat (limited to 'atk16_asm')
| -rw-r--r-- | atk16_asm/asm_ops.py | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/atk16_asm/asm_ops.py b/atk16_asm/asm_ops.py index 6d2b98a..96e0366 100644 --- a/atk16_asm/asm_ops.py +++ b/atk16_asm/asm_ops.py @@ -156,11 +156,12 @@ def expand_addi(left: str, imm: str, target: str) -> ExpandResult: def expand_subi(left: str, imm: str, target: str) -> ExpandResult: return [["ali", "al_minus", left, imm, target]] -def expand_not(reg: str, target: str) -> ExpandResult: - return [["alr", "al_xor", reg, "0xFFFF", target]] +# FIXME: 0xFFFF does not fit in 3 bits +# def expand_not(reg: str, target: str) -> ExpandResult: +# return [["alr", "al_xor", reg, "0xFFFF", target]] -def expand_noti(imm: str, target: str) -> ExpandResult: - return [["ali", "al_xor", imm, "0xFFFF", target]] +# def expand_noti(imm: str, target: str) -> ExpandResult: +# return [["ali", "al_xor", imm, "0xFFFF", target]] def expand_and(left: str, right: str, target: str) -> ExpandResult: return [["alr", "al_and", left, right, target]] @@ -293,8 +294,8 @@ expansions: OpExpansionDict = { "sub": expand_sub, "addi": expand_addi, "subi": expand_subi, - "not": expand_not, - "noti": expand_noti, + # "not": expand_not, + # "noti": expand_noti, "and": expand_and, "andi": expand_andi, "or": expand_or, |