kvisc/os/dos.k

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; The OS/K Team licences this file to you under the MIT license.
; See the LICENSE file in the project root for more information.
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hw = "Hello World\n:)"
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;
; Entry point
;
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main:
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; Initializes the stack
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mov rbp, 0x200000
mov rsp, rbp
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mov ax0, hw
call print
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stop
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;
; Max amount of characters that print() will print
;
v_print_max := 0xFF
;
; Print a string
;
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print:
enter
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mov rcx, v_print_max
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.1:
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test b[ax0], b[ax0]
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jz .2
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prn b[ax0]
inc ax0
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loop .1
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.2:
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leave
ret
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;
; Print exactly ax1 characters
;
print_n:
enter
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mov rcx, ax1 ; text
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.1:
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prn b[ax0]
inc ax0
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loop .1
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leave
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ret