Enabled disk writes, SEDIT buffer saves

boot.asm

@@ -28,7 +28,7 @@
 	call print
 
 	;; testing
-	;//mov ax, 0xDE94
+	;///mov ax, 0x300
 	;//call print_hex
 
 	;; Load sectors 2 and 3(more OS)
@@ -36,15 +36,14 @@
 	mov dh, 0					;head
 	mov al, 2					;Num sectors
 	mov bx, 0x7E00				;RAM
-	call load_sector
+	call read_sector
 
 	mov al, '>'					;cmd line
 	call print_char
 	mov al, ' '
 	call print_char
-loop:
-
 	
+loop:
 	mov ah, 0
 	int 0x16					;Reads a character to al
 	cmp al, 0x8				;Backspace
@@ -66,7 +65,6 @@ loop:
 	jmp loop
 
 	%include "string.asm"
-	;//%include "textedit.asm"
 	%include "print.asm"
 	%include "disk.asm"
 	

disk.asm

@@ -3,26 +3,39 @@
 	;; ch - cylinder number
 	;; dh - head number
 	;; es:bx - RAM location
-load_sector:
+read_sector:
+	push ax
+	mov ah, 0x02
+	call do_sector
+	pop ax
+	ret
+
+write_sector:
+	push ax
+	mov ah, 0x03
+	call do_sector
+	pop ax
+	ret
+	
+do_sector:
 	pusha						;preserve registers
 	mov [disk_errors], byte 0		;Reset error count
-	mov ah, 0x02
 	mov dl, 0x00 				;Floppy
-load_sector_int:
+do_sector_int:
 	pusha						;registers get changed by int
 	;; crash here
 	;; eip register garbage
 	int 0x13
-	jc load_sector_err			;CF set
+	jc do_sector_err			;CF set
 	popa
 	popa
 	ret
-load_sector_err:
+do_sector_err:
 	;; should count # of times errored
 	popa
 	add [disk_errors], byte 1			;Increment err count
 	cmp [disk_errors], byte 5
-	jle load_sector_int
+	jle do_sector_int
 	;; Handle error
 	shr ax, 8					;right binary shift
 	mov ah, 0
@@ -32,4 +45,3 @@ load_sector_err:
 	ret
 
 disk_errors:	db 0
-db 'X'

textedit.asm

@@ -2,6 +2,8 @@
 sedit_init:
 	pusha
 
+	mov [SEDIT_CURSOR_POSITION], byte 0
+
 	mov bx, SEDIT_INIT_MSG		;Init msg
 	call print
 
@@ -49,8 +51,7 @@ sedit_enter:
 	mov al, 0xD
 	call print_char
 	mov al, 0xA
-	call print_char				;Print out the enter
-	
+	call print_char				;Print out the enter	
 	
 	jmp sedit_loop
 
@@ -58,9 +59,18 @@ sedit_backspace:
 	sub [SEDIT_CURSOR_POSITION], byte 2
 
 	;; Backspace the teletype
-	
+
+	jmp sedit_loop
 	
 sedit_exit:
+	;; save buffer
+	mov dh, 0
+	mov cx, 14					;sect & cyl
+	mov al, 2
+	mov bx,	SEDIT_EDITOR_BUFFER
+	call write_sector
+	
+	;; print & exit
 	mov bx, SEDIT_EXIT_MSG
 	call print
 	popa