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from asm_ops import *
def expand_add(left: str, right: str, target: str) -> ExpandResult:
return [["alr", "al_plus", left, right, target]]
def expand_sub(left: str, right: str, target: str) -> ExpandResult:
return [["alr", "al_minus", left, right, target]]
def expand_addi(left: str, imm: str, target: str) -> ExpandResult:
return [["ali", "al_plus", left, imm, target]]
def expand_subi(left: str, imm: str, target: str) -> ExpandResult:
return [["ali", "al_minus", left, imm, target]]
def expand_and(left: str, right: str, target: str) -> ExpandResult:
return [["alr", "al_and", left, right, target]]
def expand_or(left: str, right: str, target: str) -> ExpandResult:
return [["alr", "al_or", left, right, target]]
def expand_xor(left: str, right: str, target: str) -> ExpandResult:
return [["alr", "al_xor", left, right, target]]
def expand_sll(left: str, right: str, target: str) -> ExpandResult:
return [["alr", "al_sll", left, right, target]]
def expand_slr(left: str, right: str, target: str) -> ExpandResult:
return [["alr", "al_slr", left, right, target]]
def expand_sar(left: str, right: str, target: str) -> ExpandResult:
return [["alr", "al_sar", left, right, target]]
def expand_slli(left: str, imm: str, target: str) -> ExpandResult:
return [["ali", "al_sll", left, imm, target]]
def expand_slri(left: str, imm: str, target: str) -> ExpandResult:
return [["ali", "al_slr", left, imm, target]]
def expand_sari(left: str, imm: str, target: str) -> ExpandResult:
return [["ali", "al_sar", left, imm, target]]
def expand_inc(reg: str) -> ExpandResult:
return [["ali", "al_plus", reg, "1", reg]]
def expand_dec(reg: str) -> ExpandResult:
return [["ali", "al_minus", reg, "1", reg]]
def expand_mov(from_reg: str, to_reg: str) -> ExpandResult:
return [["ali", "al_plus", from_reg, "0", to_reg]]
def expand_nop() -> ExpandResult:
return [["ali", "al_plus", "RA", "0", "RA"]]
def expand_spu(reg: str) -> ExpandResult:
return [["str", reg, "__STACK_POINTER"]] + expand_inc("__STACK_POINTER")
def expand_spo(reg: str):
return expand_dec("__STACK_POINTER") + [["ldr", "__STACK_POINTER", reg]]
def expand_csr(addr_reg: str):
return [
["lpc", "__CSR_SCRATCH"],
*expand_addi("__CSR_SCRATCH", "4", "__CSR_SCRATCH"),
*expand_spu("__CSR_SCRATCH"),
["jpr", addr_reg]
]
def expand_csi(addr_imm: str):
return [
["lpc", "__CSR_SCRATCH"],
*expand_addi("__CSR_SCRATCH", "4", "__CSR_SCRATCH"),
*expand_spu("__CSR_SCRATCH"),
["jpi", addr_imm]
]
def expand_rsr():
return expand_spo("__CSR_SCRATCH") + [["jpr", "__CSR_SCRATCH"]]
def stack_stash(*rs: str):
result: ExpandResult = []
for r in rs:
result += expand_spu(r)
return result
def stack_restore(*rs: str):
result: ExpandResult = []
for r in rs:
prefix = expand_spu(r)
result = prefix + result
return result
def set_graphics_mode(mode: str):
return [
["ldi", "vt_gr_mode_addr", "RA"],
["ldr", "RA", "RA"],
["ldi", mode, "RB"],
["str", "RB", "RA"],
]
expansions: OpExpansionDict = {
"add": expand_add,
"sub": expand_sub,
"addi": expand_addi,
"subi": expand_subi,
"and": expand_and,
"or": expand_or,
"xor": expand_xor,
"sll": expand_sll,
"slr": expand_slr,
"sar": expand_sar,
"slli": expand_slli,
"slri": expand_slri,
"sari": expand_sari,
"inc": expand_inc,
"dec": expand_dec,
"mov": expand_mov,
"nop": expand_nop,
"spu": expand_spu,
"spo": expand_spo,
"csr": expand_csr,
"csi": expand_csi,
"rsr": expand_rsr,
"stack_stash": stack_stash,
"stack_restore": stack_restore,
"set_graphics_mode": set_graphics_mode,
}
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