fox32rom/debug.asm

17 lines
282 B
NASM

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