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eOS
mirror of https://github.com/E-Almqvist/eOS
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Equ fix

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pull/3/head
E. Almqvist 4 years ago
parent 2e979a9c7b
commit e504feaf11
2 changed files with 6 additions and 1 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 3
      src/BIOS_equ.asm
  2. 4
      src/bootloader.asm

3
src/BIOS_equ.asm
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@ -0,0 +1,3 @@
; EQUs (lazy variables) for BIOS stuff
BIOS_INT equ 0x10
BIOS_MODE_TELETYPE equ 0x0e

4
src/bootloader.asm
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@ -1,8 +1,9 @@
%include "equ/BIOS.asm" %include "equ/BIOS.asm"
%include "equ/ASCII.asm" %include "equ/ASCII.asm"
mov ah, 0x0e ; enter teletype mode (BIOS) mov ah, BIOS_MODE_TELETYPE ; enter teletype mode (BIOS)
; Print "eOS"
mov al, "e" mov al, "e"
int BIOS_INT int BIOS_INT
@ -34,6 +35,7 @@ loop:
cmp al, 90 ; 26 letters in english alphabet (64 + 26) cmp al, 90 ; 26 letters in english alphabet (64 + 26)
jl loop ; if al < 64+26: jmp loop jl loop ; if al < 64+26: jmp loop
jmp $ jmp $
times 510-($-$$) db 0 times 510-($-$$) db 0

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