Testat 2 bestanden

src/asm/a2.asm

@@ -25,32 +25,50 @@ SEGM	equ 90h
 
 ;           0    1    2      3    4      5    6     7    8      9     A     B     C      D      E    F
 segtext	db 0x3F, 0x6, 0x5B, 0x4F, 0x66, 0x6D, 0x7D, 0x7, 0x7F, 0x6F, 0x77, 0xFF, 0x39, 0xBF, 0x79, 0x71
-res	db 0x0
 
 
 	jmp WDH
 
 WDH:	in ax, INPUT
-	mov res, [ax]
+
+	mov bx, ax
 	and ax, 00001111b;get second nibble
-	out LED, ax;debug, output to leds
+	;out LED, ax;debug, output to leds
 	push ax;write result to stack
 
 
-	mov ax, [res]
+	mov ax, bx
 	mov cl, 0x4
-	sar ax, cl;shift right 4 times
-	;and ax, 00001111b;
-	out LED, ax;debug, output to leds
-	push ax;write result to stack
+	shr ax, cl;shift right 4 times
 
-
-	pop ax;get from stack
+	;out LED, ax;debug, output to leds
 	pop bx;get from stack
 	
 	sub ax, bx
 	
 	out LED, ax;output to led
 
+	;right seven segment display
+	push ax
+	mov bx, segtext
+	and ax, 0000000000001111b
+	add bx, ax
+	
+	mov al, [bx]
+	
 	out SEGM, al;output to seven segment display
+
+	;left seven segment display
+	pop ax;get from stack
+	mov cl, 0x4
+	shr ax, cl
+	mov bx, segtext
+	add bx, ax
+
+	mov al, [bx]
+	out SEGM + 0x2, al
+		
+	
 	jmp WDH
+
+