WIP of asm86

com/a86.asm

@@ -7,16 +7,23 @@
 
 		mov [fd], ax
 
-loop:		call getc
+		call getline
-		jc end
+
-		cmp dl, 26
+		mov dx, [line_length]
-		je end
+		call dumpdx
+
+		mov si, line_buffer
+		mov cx, [line_length]
 		mov ah, 2
+l03:		lodsb
+		mov dl, al
 		int 0x21
-		jmp loop
+		loop l03
 
 end:		ret
 
+line_num:	dw 1
+
 err:		mov dx, ax
 
 dumpdx:		; setup bx and ah for int 10h call
@@ -53,6 +60,29 @@ getc:		mov dl, 26
 		pop dx
 		ret
 
+getline:	mov word [line_length], 0
+		mov di, line_buffer
+		mov cx, line_buflen
+l02:		push cx
+		call getc
+		pop cx
+		mov al, dl
+		cmp al, 0x0A
+		je l01
+		cmp al, 0x0D
+		je l01
+		cmp al, 0x1A
+		je l01
+		inc word [line_length]
+		loop l02
+
+l01:		ret
+
 infile:		db "com/a86.asm", 0
 
+line_buflen:	equ 0x100
+line_length:	dw 0 ; valid bytes in buffer
+line_prefix:	times 16 db " "
+line_buffer:	times line_buflen db 0
+
 fd:		dw 0