1  ; Test program to verify correct emu8051 operation
 2  ;
 3  ; Test desc: DIV AB
 4  ; Test output: PC = $FFF0
 5  ; Test output: SP = $07
 6  ; Test output: A = $3C
 7  ; Test output: B = $00
 8  ; Test output: PSW = $00
 9  
10          ORG     0000h           ; Reset vector
11  
12          MOV     A, #0FFh
13          MOV     B, #00h
14          DIV     AB              ; CY should be cleared, OV should be set
15                                  ; PSW = $04
16  
17          MOV     A, #240         ; 240d
18          MOV     B, PSW          ; 4d
19          DIV     AB              ; CY should be cleared, OV should be cleared, result = 10
20  
21          LJMP    0FFF0h
22          END