AB16-CCT4

* NAME: AB16-CCT4 DOC 70180658000 REV H PAGE 80

3789 * 3790 * RUPT TEST FOR UNDERFLOW 3791 * 3792 06617 0 35 06730 X13M LDX =-512 COUNTER FOR UNDERFLOW TEST 3793 06620 0 02 06724 LDA ='77 3794 06621 0 04 06230 STA LADD 3795 06622 0 04 00003 STA 3 STORE ADDR AT STACK TOP 3796 06623 0 02 06226 LDA BT35 3797 06624 171020 OTK SET RUPT MASK AND EXTEND MODE 3798 06625 0 01 06626 JMP *+1 3799 06626 000013 EXA 3800 06627 0 10 06630 JST *+1 SET UP FOR 3801 06630 0 000000 DAC ** EXPECTED RUPT 3802 06631 0 02 06630 LDA *-1 3803 06632 0 06 06723 ADD =7 3804 06633 0 04 00057 STA '57 3805 06634 0 02 00005 LDA 5 3806 06635 000000 HLT MAKE A NOP FOR THE TIME 3807 06636 000000 HLT ERROR - DID NOT GET RUPT 3808 * 3809 06637 0 000000 DAC ** EXPECTED RUPT 3810 06640 0 02 06224 LDA BIT3 3811 06641 171020 OTK RESET RUPT MASK BUT LEAVE EXTEND MODE 3812 06642 0 10 06643 JST *+1 SET UP FOR 3813 06643 0 000000 DAC ** UNEXPECTED RUPT 3814 06644 0 02 06643 LDA *-1 3815 06645 0 06 06740 ADD ='13 3816 06646 0 04 00057 STA '57 3817 06647 000011 DXA 3818 06650 0 01 06651 JMP *+1 NORMAL MODE 3819 06651 0 02 06724 LDA ='77 3820 06652 0 04 00003 STA 3 STORE ADDR AT STACK TOP 3821 06653 0 02 00005 LDA 5 LOAD FROM STACK TOP AND POP 3822 06654 101000 NOP 3823 06655 0 01 06660 JMP *+3 JUMP AROUND 3824 * 3825 06656 0 000000 DAC ** UNEXPECTED RUPT 3826 06657 000000 HLT ERROR 3827 06660 0 12 00000 IRS 0 CHECKED ALL POSSIBLE UNDFLO CASES 3828 06661 100000 SKP 3829 06662 0 01 06666 JMP *+4 3830 06663 0 02 06230 LDA LADD MODIFY FOR NEXT 3831 06664 0 06 06727 ADD ='100 UNDERFLOW POINT 3832 06665 0 01 06621 JMP X13M+2 3833 * 3834 06666 101000 NOP 3835 06667 0 35 06726 LDX =-20 3836 06670 0 02 06722 LDA ='160 3837 06671 0 04 00003 STA 3 3838 06672 0 02 06226 LDA BT35