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Rev 179 |
;; *******************************************************************
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;; *******************************************************************
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;; $Id: test.asm,v 1.1 2006-05-20 02:46:20 arniml Exp $
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;; $Id: test.asm 179 2009-04-01 19:48:38Z arniml $
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;;
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;;
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;; Checks the SKT instruction.
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;; Checks the SKT instruction.
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;;
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;;
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;; the cpu type is defined on asl's command line
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;; the cpu type is defined on asl's command line
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org 0x00
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org 0x00
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clra
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clra
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;; timer not elapsed right after power-on reset
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;; timer not elapsed right after power-on reset
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skt
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skt
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jp ok_1
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jp ok_1
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jmp fail
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jmp fail
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ok_1:
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ok_1:
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;; preload timeout value
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;; preload timeout value
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stii 0x4
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stii 0x4
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stii 0x0
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stii 0x0
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stii 0x0
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stii 0x0
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;; *******************************************************************
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;; *******************************************************************
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;; Poll for timer flag with and time out after a while.
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;; Poll for timer flag with and time out after a while.
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;;
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;;
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poll_loop:
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poll_loop:
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;; decrement timeout counter
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;; decrement timeout counter
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lbi 0, 2
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lbi 0, 2
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sc
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sc
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clra
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clra
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aisc 0x1
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aisc 0x1
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casc ; M(0, 2) - 1
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casc ; M(0, 2) - 1
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jp proc_digit_1
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jp proc_digit_1
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x 0
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x 0
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jp dec_finished
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jp dec_finished
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proc_digit_1:
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proc_digit_1:
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xds 0 ; A loads 0 from M
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xds 0 ; A loads 0 from M
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sc
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sc
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aisc 0x1
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aisc 0x1
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casc ; M(0, 1) - 1
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casc ; M(0, 1) - 1
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jp proc_digit_0
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jp proc_digit_0
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x 0
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x 0
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jp dec_finished
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jp dec_finished
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proc_digit_0:
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proc_digit_0:
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xds 0 ; A loads 0 from M
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xds 0 ; A loads 0 from M
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sc
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sc
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aisc 0x1
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aisc 0x1
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casc ; M(0, 0) - 1
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casc ; M(0, 0) - 1
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jmp fail ; TIMEOUT!
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jmp fail ; TIMEOUT!
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x 0
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x 0
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dec_finished:
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dec_finished:
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;; poll timer flag
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;; poll timer flag
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skt
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skt
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jp poll_loop
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jp poll_loop
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;; check that last skt cleared the flag
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;; check that last skt cleared the flag
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skt
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skt
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jp ok_2
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jp ok_2
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jmp fail
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jmp fail
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ok_2:
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ok_2:
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jmp pass
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jmp pass
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include "pass_fail.asm"
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include "pass_fail.asm"
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