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IMS IMSAI 8080 User Manual page 508

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M IO A .P R N
»■GENERAL CRC ROUTINE.
338F ES
CRC:
, PUSH H
3390 D5
3391 A8-
3392 67
3393 07
3394 07
3395 07
3396 07
3397 AC
3398 6F
3399 E6F0
3 39B 57
339C 85
3 39D 5F
3 39E 7A
339F CEOO
3 3A1 A9
33A2 47
3 3A3 7C
3 3A4 E6F0
3 3A6 67
3 3A7 AB
3 3A8 4F
3 3A9 7C
3 3AA OF
3 3AB OF
3 3AC OF
3 3AD A8
3 3AE 47
3 3AF 01
3 3S0 El
3 3Bl C9
3382
COMPUTE FOR ONE 3YTE
PUSH D
XRA B
MOV H,A
RLC
RLC
RLC
RLC
XRA H
MOV L,A
AN I OFOH
MOV D,A
ADD L
MOV E,A
MOV A ,D
AC I 0
XRA C
MOV B,A
MOV A,H
ANI OFOH
MOV H,A
XRA E
MOV C,A
MOV A,H
RRC
RRC
RRC
XRA B
MOV 8,A
POP D
POP H
RET
END
PAGE 8

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