21 lines
307 B
ArmAsm
21 lines
307 B
ArmAsm
.define pstrng
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.sect .text
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.sect .rom
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.sect .data
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.sect .bss
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.sect .text
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! print a string of characters to the console
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! entry: DE points to string
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! string terminator is 0x00
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! exit: DE points to string terminator
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pstrng: push af
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1: ld a,(de)
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or a
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jr z,2f
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call putchar
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inc de
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jr 1b
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2: pop af
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ret
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