Import backup from 2005-11-03

rmmod/rmmod.asm

@@ -2,7 +2,7 @@
 ; real mode module for HOS
 ; Author: Josh Holtrop
 ; Date: 09/20/04
-; Modified: 01/04/05
+; Modified: 11/01/05
 
 %define VIRT_OFFSET 0xC0000000
 %define SIZEOF_RMPARAMS 20
@@ -20,7 +20,7 @@
 ; ebx = return address
 ; ecx = where to store real mode parameter table
 start:
-	jmp	24:start_pm16
+	jmp	24:start_pm16	; uses KERNEL_CODE_BS16 from kernel/boot.asm
 [bits 16]
 start_pm16:					; in 16-bit protected mode
 	mov	ax, 32
@@ -104,6 +104,12 @@ vesa_mode_loop:
 	and	ax, VESA_MODE_SUPPORTED | VESA_MODE_COLOR | VESA_MODE_GRAPHICS | VESA_MODE_LFB
 	cmp	ax, VESA_MODE_SUPPORTED | VESA_MODE_COLOR | VESA_MODE_GRAPHICS | VESA_MODE_LFB
 	jnzfar	vesa_mode_loop_next
+	mov	ax, [XResolution]
+	cmp	ax, 640
+	jlfar	vesa_mode_loop_next
+	mov	ax, [YResolution]
+	cmp	ax, 480
+	jlfar	vesa_mode_loop_next
 	mov	al, [BitsPerPixel]
 	cmp	al, 15
 	jz	vesa_mode_good

rmmod/rmmod.inc

@@ -1,7 +1,7 @@
 ; rmmod.inc
 ; Author: Josh Holtrop
 ; Date: 01/04/05
-; Modified: 01/04/05
+; Modified: 11/02/05
 
 %macro jzfar 1
         jnz     %%skip
@@ -15,6 +15,12 @@
 %%skip:
 %endmacro
 
+%macro jlfar 1
+        jge     %%skip
+        jmp     %1
+%%skip:
+%endmacro
+
 %macro ccall 2
 	push	%2
 	call	%1