22 lines
171 B
ArmAsm
22 lines
171 B
ArmAsm
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.define putchr
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putchr:
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push hl
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push de
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push bc
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cp 0x0A
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jr nz,1f
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ld a,0x1F
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1:
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ld c,a
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2:
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in a,0xF1
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and 4
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jr z,2b
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ld a,c
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out 0xF0,a
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pop bc
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pop de
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pop hl
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ret
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