20 lines
309 B
NASM
20 lines
309 B
NASM
; debug routines
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; print a string to the serial port
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; inputs:
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; r0: pointer to null-terminated string
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; outputs:
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; none
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debug_print:
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push r0
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push r1
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debug_print_loop:
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mov r1, 0x00000000
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out r1, [r0]
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inc r0
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cmp.8 [r0], 0x00
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ifnz jmp debug_print_loop
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pop r1
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pop r0
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ret
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