use easier to read logic

2025-09-05 14:40:44 -04:00
parent fa4524aa59
commit 5fac10f02c
1 changed files with 2 additions and 2 deletions
--- a/include/BIOS/func/video.nasm
+++ b/include/BIOS/func/video.nasm
@@ -110,9 +110,9 @@ ALIGN 4, db 0x90
 PrintCharacter:
    __CDECL16_ENTRY
 .func:
-    movzx ax, byte [bp + 4]     ; AL = character c
+    mov al, byte [bp + 4]       ; AL = character c
    mov ah, 0x0E                ; INT 0x10, AH=0x0E call
-    mov bx, 0x0007              ; BH = page no. BL =Text attribute 0x07 is lightgrey font on black background
+    mov bx, 0x0007              ; BH = page no. BL =Text attribute
    int 0x10                    ; call video interrupt
                                ; TODO: check for carry and clear carry before call
 .endp: