From 987dbcf24df16ef5650a7575675e4ce0cc099d9b Mon Sep 17 00:00:00 2001
From: Rhodez-x <jorn@guld-berg.dk>
Date: Fri, 14 Dec 2018 15:55:15 +0100
Subject: [PATCH] More work on the bootloader

---
 slrboot.bin  | Bin 8192 -> 8192 bytes
 slrboot.nasm |  10 ++++++----
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/slrboot.bin b/slrboot.bin
index 6f6c217941503e3852a640be7912f9ac461f3518..67baf5494b45157b78f5f0e425b0bab25b5f4e40 100644
GIT binary patch
delta 156
zcmZp0XmFSyCDUB{dmls1eg?Lk42++b?l!Dxe9cf6e0ZN^?Tc#@%{-ZRGcru9mvHT=
zec{H?e3+@5eQ|H?3u}hsY;CoSK(ecr0Z4Y#GSuvAsWm*X#i>iIx%RAZ5m(wPh8hMS
z`1NI9b?ply5S=>lPB62fp21`z#?Hz67zG3xdhGa{|NsA==m1oxA;Ua*BBR3Qe~e6W
E0K4cuJpcdz

delta 173
zcmZp0XmFSyCDTy*dmls1eg?Lk42++b?l!Dxe9cf6e0ZN&?TgD3%{*gw?5l15%~-<L
zd_cha_1ESD9G!;^4|KCH?yP;`#?XA23CQfKePPXToUOT*5lFVzG62ceT85f^jkSgc
zwm5Z(HPoIJF5*gi#Zbcl1i!xQtEhcp1fr8B-VbIr&@-KE%Gf!1H>0osLysMQ^Z)<<
W87?q0FlfjyPoBuAu=yV&lN<onu1GBa

diff --git a/slrboot.nasm b/slrboot.nasm
index 19f844a..b0ade1e 100644
--- a/slrboot.nasm
+++ b/slrboot.nasm
@@ -81,6 +81,7 @@ int 0x16
 boot_partition:
 ; IMPORTANT bx, has to hold the value 1-4 for the partiotion that wanted to be booted.  
 
+mov bx, 1
 mov ax, partition_1
 .loop:
     cmp bx, 1 
@@ -90,6 +91,7 @@ mov ax, partition_1
     jmp .loop
 break:
 
+
 add ax, 8 ; This is the offset to fetch the LBA start adress of the partition record
 mov bx, ax
 xor ax, ax
@@ -108,7 +110,7 @@ xor ax, ax
 mov ah, 0x42                            ; READ
 mov dl, [disk_identifier] 
 int 0x13
-
+;call dumpax
 jc endcarrycheck ; An error ocurred when reading from disk. 
 
 ; If no error then jump to volume boot record
@@ -182,7 +184,6 @@ error_str db 'Error', 0
 boot_this_partition: dw 0
 disk_identifier db 0
 
-
 DAPACK:
   .dap_Size:         db  0x10   ; This is always 16 bytes (0x10)
   .rev_byte:         db  0x0    ; reserved byte, should always be zero
@@ -203,12 +204,13 @@ partition_1:
 .start_LBA db 0x10, 0x00, 0x00, 0x00 
 .size db 0x00, 0xC8, 0x03, 0x00  
 
+; sector number for 2.nd SingOS -> 16480
 partition_2:
-.active_partition db 0x00 
+.active_partition db 0x80 
 .start_CHS db 0x8C, 0x3E, 0x0F 
 .disk_type db 0x83 
 .end_CHS db 0xFF, 0xFF, 0xFF 
-.start_LBA db 0x00, 0xD0, 0x03, 0x00 
+.start_LBA db 0x61, 0x40, 0x00, 0x00 ;0x00, 0xD0, 0x03, 0x00 
 .size db 0x00, 0x28, 0x1C, 0x03 
 
 partition_3: