Change the attrib register, remove the org 0x0 / shift it to org 0xA8000

diff --git a/aseg/aseg.asm b/aseg/aseg.asm
index 51a28111986652c96ce4ca90daed569a721bf123..f10955a6f05cd7f7b0b0dd9c4c987ec9c631e503 100644 (file)
--- a/aseg/aseg.asm
+++ b/aseg/aseg.asm
@@ -1,4 +1,4 @@
-       org 0x0
+       org 0xA8000

 [bits 16]
 entry:
 ;      mov al, 0x01            ; Say where we are.
 [bits 16]
 entry:
 ;      mov al, 0x01            ; Say where we are.


@@ -9,16 +9,16 @@ entry:
        mov fs, ax
        mov gs, ax
        mov ss, ax
        mov fs, ax
        mov gs, ax
        mov ss, ax

-       jmp 0xA800:entry2               ; Long jump to a correct cs.
+       jmp 0xA800:(entry2-0xA8000)     ; Long jump to a correct cs.

 entry2:
 ;      mov al, 0x02
 ;      out 0x80, al
 entry2:
 ;      mov al, 0x02
 ;      out 0x80, al

-       lgdt [gdtr]                     ; Set up a new GDT.
+       lgdt [(gdtr-0xA8000)]           ; Set up a new GDT.

        mov eax, 0x1
        mov cr0, eax                    ; ... and enter pmode!
        mov al, 0x03                    ; Say we got here.
        out 0x80, al
        mov eax, 0x1
        mov cr0, eax                    ; ... and enter pmode!
        mov al, 0x03                    ; Say we got here.
        out 0x80, al

-       jmp long 0x10:(continue+0xA8000)        ; Now longjmp into the new code.
+       jmp long 0x10:continue          ; Now longjmp into the new code.

 [bits 32]
 continue:
 ;      mov al, 0x04                    ; Now we're in protected mode.
 [bits 32]
 continue:
 ;      mov al, 0x04                    ; Now we're in protected mode.


@@ -35,13 +35,13 @@ continue:
 ;      mov al, 0x05
 ;      out 0x80, al
 
 ;      mov al, 0x05
 ;      out 0x80, al
 

-       mov al, [(cstat + 0xA8000)]
+       mov al, [cstat]

        add al, 1
        out 0x80, al
        add al, 1
        out 0x80, al

-       mov [(cstat + 0xA8000)], al
+       mov [cstat], al

        
        mov eax, 0x11223344
        
        mov eax, 0x11223344

-       mov dword [(status + 0xA8000)], eax
+       mov dword [status], eax

 
        mov dx, 0xCF8                   ; save off the old config value
        in dword eax, dx
 
        mov dx, 0xCF8                   ; save off the old config value
        in dword eax, dx


@@ -73,17 +73,17 @@ continue:
        shl eax, 1
        add eax, 0xB8000                ; yay
        mov byte [eax+0], '1'
        shl eax, 1
        add eax, 0xB8000                ; yay
        mov byte [eax+0], '1'

-       mov byte [eax+1], 0xA0
+       mov byte [eax+1], 0x1F

        mov byte [eax+2], '5'
        mov byte [eax+2], '5'

-       mov byte [eax+3], 0xA0
+       mov byte [eax+3], 0x1F

        mov byte [eax+4], '-'
        mov byte [eax+4], '-'

-       mov byte [eax+5], 0xA0
+       mov byte [eax+5], 0x1F

        mov byte [eax+6], '4'
        mov byte [eax+6], '4'

-       mov byte [eax+7], 0xA0
+       mov byte [eax+7], 0x1F

        mov byte [eax+8], '1'
        mov byte [eax+8], '1'

-       mov byte [eax+9], 0xA0
+       mov byte [eax+9], 0x1F

        mov byte [eax+10], '2'
        mov byte [eax+10], '2'

-       mov byte [eax+11], 0xA0
+       mov byte [eax+11], 0x1F

        
        mov dx, 0x3D4
        mov al, [esp-6]
        
        mov dx, 0x3D4
        mov al, [esp-6]


@@ -115,7 +115,7 @@ continue:
        align 0x4
 gdtr:
        db 0x27, 0x00
        align 0x4
 gdtr:
        db 0x27, 0x00

-       dd (gdt + 0xA8000)
+       dd gdt

        align 0x4
 gdt:
        db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
        align 0x4
 gdt:
        db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00