From b4c413da4b691dfd04beb5c747dd922e097dffc1 Mon Sep 17 00:00:00 2001
From: manzerbredes <loic.guegan_secondary@yahoo.fr>
Date: Sat, 18 Jul 2015 11:16:14 +0400
Subject: Add print routine

---
 bootloader/printIntBios.asm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 bootloader/printIntBios.asm

(limited to 'bootloader/printIntBios.asm')

diff --git a/bootloader/printIntBios.asm b/bootloader/printIntBios.asm
new file mode 100644
index 0000000..2a6c735
--- /dev/null
+++ b/bootloader/printIntBios.asm
@@ -0,0 +1,27 @@
+printIntBios:
+
+	;Save registers
+	push ax
+	push bx
+
+	;Print loop
+	.loop:
+
+		mov ah, 0x0E	;Use 0xE bios service for teletype print
+		lodsb		;Load char in al and inc SI register
+		cmp al, 0x0	;Check if we print all the chain
+		je .end		;If yes go to end
+
+		mov bl, 0x0F	;Else set color register
+
+		int 0x10	;And print the character
+
+		jmp .loop	;Go to the next character
+	.end:
+
+	;Restore registers
+	pop bx
+	pop ax
+
+	;Back to previous task
+	ret
-- 
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