103 lines
1.1 KiB
Text
103 lines
1.1 KiB
Text
.EXTERN ALL
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test_adc:
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; initial value
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MOV #32769.,R0
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; number of additions
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MOV #257.,R1
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test_adc_loop:
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ADD #1003.,R0
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ADC R0
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MFPS R2
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BIC #65520.,R2
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ADD R2,R0
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DEC R1
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TST R1
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BNE test_adc_loop
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CMP #29424.,R0
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BNE test_adc_failed
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; test 8 bit
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MOV #32769.,R0
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MOV #257.,R1
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test_adc_loop8b:
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ADD #13.,R0
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ADCB R0
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MFPS R2
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BIC #65520.,R2
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ADD R2,R0
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DEC R1
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TST R1
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BNE test_adc_loop8b
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CMP #36878.,R0
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BNE test_adc_failed
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RET
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test_adc_failed:
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MOV #adc_fail_text,R0
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CALL print_start
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RET
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adc_fail_text:
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.ASCII "ADC handling FAIL\r\n\x00"
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.EVEN
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test_sbc:
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; initial value
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MOV #32769.,R0
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; number of additions
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MOV #257.,R1
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test_sbc_loop:
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SUB #1003.,R0
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SBC R0
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MFPS R2
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BIC #65520.,R2
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SUB R2,R0
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DEC R1
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TST R1
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BNE test_sbc_loop
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CMP #36106.,R0
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BNE test_sbc_failed
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; test 8 bit
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MOV #32769.,R0
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MOV #257.,R1
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test_sbc_loop8b:
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SUB #13.,R0
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SBCB R0
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MFPS R2
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BIC #65520.,R2
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SUB R2,R0
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DEC R1
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TST R1
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BNE test_sbc_loop8b
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CMP #28652.,R0
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BNE test_sbc_failed
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RET
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test_sbc_failed:
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MOV #sbc_fail_text,R0
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CALL print_start
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RET
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sbc_fail_text:
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.ASCII "SBC handling FAIL\r\n\x00"
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.EVEN
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