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23 lines
256 B
NASM
23 lines
256 B
NASM
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Cosine: ; 1b0f
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; Return d * cos(a) in hl
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add $10 ; 90 degrees
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Sine: ; 1b11
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; Return d * sin(a) in hl
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; a is a signed 6-bit value.
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ld e, a
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ld a, [hROMBank]
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push af
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ld a, BANK(_Sine)
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rst Bankswitch
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call _Sine
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pop af
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rst Bankswitch
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ret
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; 1b1e
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