Wiring with the display system
158
1SVC 440 795 M1100
Addition
42 + 1000 = 1042
2147483647 + 1 = Last valid value of this arithmetic
operation, due to overflow (CARRY)
AR..CY = Status 1
–2048 +1000 = –1048
Subtraction
1134 – 42 =1092
–2147483648 – 3 = Last valid value of this arithmetic
operation, due to overflow (CARRY)
AR..CY = Status 1
–4096 – 1000 = –5096
–4096 – (–1000) = –3096
Multiplication
12 x 12 = 144
1000042 x 2401 = Last valid value of this arithmetic
operation, due to overflow (CARRY)
Correct value = 2401100842
AR..CY = Status 1
–1000 x 10 = –10000
Division
1024: 256 = 4
1024: 35 = 29 (The places after the decimal point are
omitted.)
1024: 0 = Last valid value of this arithmetic operation, due
to overflow (CARRY)
(mathematically correct: “Infinite”) AR..CY = Status 1
–1000: 10 = –100
1000: –10 = –100
–1000: (–10) = 100
10: 100 = 0
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