IBM XT 5160 Technical Reference page 230

301 OOEO A8 OF
TEST AL,OFH
302 00E2 EO FB
LOOPNZ TEST_CORD_6
303
304 00E4 58 POP
AX
305 00E5 59
POP
CX
306 00E6 5A
POP DX ;
SET COUNT
301
308 00E1 C3 RET
; RETURN
309
3 10 00E8
TEST CORD ENDP
3 11 00E8
JOY_STICK ENDP
312
313 00E8
CODE ENDS
314
END
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