More logic added to check for more active partitions

slrboot.nasm

@@ -36,9 +36,6 @@ call print      ; Call our string-printing routine
 xor bx, bx
 xor cx, cx
 mov ax, [partition_1.active_partition]
-call dumpax
-cli
-hlt
 cmp ax, 0x80
 jne check_p_2
 mov bx, 0x01 ; Partion 1 active
@@ -67,7 +64,7 @@ mov bx, 0x04 ; Partion 4 active
 
 eval_active_partion_number: 
 cmp cx, 1
-je boot_partition:
+je boot_partition
 ; here goes wait call, for the user to enter debug mode. 
 ; Wating for 2 seconds: 
 mov ah, 0x86   ; code for waiting interupt call
@@ -79,34 +76,34 @@ xor ax, ax
 mov ah, 0x01 ; BIOS call to wait for key
 int 0x16
 
-mov bx, 1
 
 boot_partition:
 ; IMPORTANT bx, has to hold the value 1-4 for the partiotion that wanted to be booted.  
 
+mov bx, 2
 
 mov ax, partition_1
 .loop:
     cmp bx, 1 
     je break
     add ax, 0x10
+    ;call dumpax
     dec bx
     jmp .loop
 break:
 
-add ax, 7 ; This is the offset to fetch the LBA start adress of the partition record
+add ax, 8 ; This is the offset to fetch the LBA start adress of the partition record
-
+mov bx, ax
-mov bx, [ax] ; first part of LBA
+xor ax, ax
-mov WORD [DAPACK.lba_addr_dw_low], bx
+mov ax, [bx] ; first part of LBA
-inc ax ; next part
+mov WORD [DAPACK.lba_addr_dw_low], ax
-mov bx, [ax]
+call dumpax
-mov WORD [DAPACK.lba_addr_dw_low + 1], bx
+add bx, 2 ; next part
-inc ax ; next part
+mov ax, [bx]
-mov bx, [ax]
+mov WORD [DAPACK.lba_addr_dw_low + 1], ax
-mov WORD [DAPACK.lba_addr_dw_low + 2], bx
+call dumpax
-inc ax ; next part
+cli 
-mov bx, [ax]
+hlt
-mov WORD [DAPACK.lba_addr_dw_low + 3], bx
 mov WORD [DAPACK.blkcnt],          0x01  
 mov WORD [DAPACK.db_addr_segment], 0x0000
 mov WORD [DAPACK.db_addr_offset],  0x7c00