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from atk16_asm.asm_ops import *
expansions: dict[str, Callable[..., ExpandResult]] = {}
def register_macro(func):
expansions[func.__name__] = func
return func
@register_macro
def m_newline(r1: str, r2: str) -> ExpandResult:
return [
*expand_ldi("text_cursor_p", r1),
*expand_ldr(r1, r1),
*expand_ldr(r1, r2),
*expand_slri(r2, "6", r2), # cursor = cursor / 64
*expand_addi(r2, "1", r2), # cursor = cursor + 1
*expand_slli(r2, "6", r2), # cursor = cursor * 64
*expand_str(r2, r1),
]
@register_macro
def m_put_char(char_r: str, r1: str, r2: str) -> ExpandResult:
return [
*expand_ldi("text_cursor_p", r1),
*expand_ldr(r1, r1),
*expand_ldr(r1, r2),
*expand_str(char_r, r2),
*expand_addi(r2, "1", r2),
*expand_str(r2, r1),
]
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