variable name refactoring

firatkucuk · Oct 17, 2018 · b6a57ee · b6a57ee
1 parent d2467de
commit b6a57ee
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Showing 2 changed files with 9 additions and 9 deletions.
diff --git a/bootloader.asm b/bootloader.asm
@@ -9,7 +9,7 @@ BITS 16
 ; CONSTANTS
 
 %define BOOTLOADER_START_SEGMENT        0x07C0
-%define KERNEL_START_SEGMENT            0x07E0
+%define KERNEL_LOAD_SEGMENT             0x07E0
 
 
 
@@ -58,7 +58,7 @@ main:
     mov ds, ax
 
     ; Let's read disk sectors into memory
-    mov ax, KERNEL_START_SEGMENT        ; Kernel start segment
+    mov ax, KERNEL_LOAD_SEGMENT         ; Kernel start segment
     mov es, ax
     mov bx, 0x0000                      ; Offset
     mov ah, 0x02                        ; INT 13h / AH = 02h
@@ -71,7 +71,7 @@ main:
 
     jc .error_message                   ; jump if clear flag set
 
-    jmp 0x2400
+    jmp 0x2400                          ; Diff between A000 - 7C00
 
 .error_message:
     mov si, error_text                  ; Put string position into SI

diff --git a/kernel.asm b/kernel.asm
@@ -4,7 +4,6 @@
 
 
 
-
 ; ------------------------------------------------------------------------------
 main:
     mov ax, KERNEL_START_SEGMENT        ; Set data segment to where we're loaded
@@ -20,14 +19,15 @@ main:
 
 
 
-print_string:            ; Routine: output string in SI to screen
-    mov ah, 0Eh        ; int 10h 'print char' function
+; ------------------------------------------------------------------------------
+print_string:                           ; Routine: output string in SI to screen
+    mov ah, 0Eh                         ; int 10h 'print char' function
 
 .repeat:
-    lodsb            ; Get character from string
+    lodsb                               ; Get character from string
     cmp al, 0
-    je .done        ; If char is zero, end of string
-    int 10h            ; Otherwise, print it
+    je .done                            ; If char is zero, end of string
+    int 10h                             ; Otherwise, print it
     jmp .repeat
 
 .done: