From: Duje Mihanović Date: Sun, 20 Mar 2022 11:43:11 +0000 (+0100) Subject: Slim down print.s X-Git-Tag: 0.1.0~13 X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/git-favicon.png?a=commitdiff_plain;h=5abfd3ff79ee9a4eb10334ac6729205cc1a35546;p=nameless-os.git Slim down print.s --- diff --git a/boot/x86/print.s b/boot/x86/print.s index bffa229..7148bc5 100644 --- a/boot/x86/print.s +++ b/boot/x86/print.s @@ -1,27 +1,21 @@ -; cs:si - pointer to ASCIIZ string -print +; ds:si - pointer to ASCIIZ string +print: + pusha pushf - push ax - push bx - push si + cld xor bh, bh mov ah, 0Eh - -.loop - mov al, [cs:si] +.loop: + lodsb cmp al, 0 je .done int 10h - inc si jmp .loop - -.done +.done: mov al, 0Dh int 10h mov al, 0Ah int 10h - pop si - pop bx - pop ax popf + popa ret