Import backup from 2005-01-14

rmmod/rmmod.asm

@@ -34,11 +34,7 @@ start_refreshed:
 
 	call	con_clear
 
-	mov	ax, 0x4F00
-	mov	di, vbe_info_block
-	int	0x10
-	cmp	ax, 0x004F
-	jz	vesa_present
+;	ccall	vesa_get_info, es, vbe_info_block
 	jmp	no_vesa
 
 vesa_present:
@@ -165,3 +161,5 @@ OemVendorName:	dd	0
 OemProductName:	dd	0
 OemProductRev:	dd	0
 Reserved:	times 478 db 0
+
+

rmmod/vesa.inc

@@ -0,0 +1,33 @@
+; vesa.inc
+; Author: Josh Holtrop
+; Date: 01/04/05
+; Modified: 01/04/05
+; real mode vesa functions
+
+vesa_get_info:			;vesa_get_info(word seg, word offset)
+	push	bp
+	mov	bp, sp
+	pusha
+
+	mov	ax, [bp + 4]
+	mov	es, ax
+	mov	di, [bp + 6]
+	mov	ax, 0x4F00
+	int	0x10
+	cmp	ax, 0x004F
+	jz	vesa_got_info
+
+	mov	[vesa_return], word 1
+	jmp	vesa_get_info_done
+
+vesa_got_info:
+	mov	[vesa_return], word 0
+
+vesa_got_info_done:
+	popa
+	pop	bp
+	mov	ax, [vesa_return]
+	ret
+
+
+vesa_return:	dw	0