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test_abs.spin
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test_abs.spin
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dat
orgh 0
org 0
andn outb, ##$FFFF
or dirb, ##$FFFF
mov cnt, testc
mov ptra, #@tests
_test rdlong d, ptra++
rdlong s, ptra++
rdlong cz, ptra++
setcz cz wc, wz
abs d, s wc, wz ' TEST INSTRUCTION
setbc cz, #1 ' store C/Z
setbz cz, #0
rdlong r, ptra++ ' get the expected result
rdlong rcz, ptra++ ' get the expected flags
cmp d, r wz
if_nz jmp #_next
cmp cz, rcz wz
if_nz jmp #_next
mov d, testc ' set LED 0 to N
sub d, cnt
setb outb, d
_next
djnz cnt, #_test
end jmp #end
testc long (cnt-tests)/5
' d s cz r rcz
tests long $0000_0000, $0000_0001, %11, $0000_0001, %00
long $0000_0000, $0000_0000, %11, $0000_0000, %01
long $0000_0000, $FFFF_FFFF, %01, $0000_0001, %10
long $0000_0000, $7FFF_FFFF, %11, $7FFF_FFFF, %00
long $0000_0000, $8000_0000, %01, $8000_0000, %10
long $0000_0000, $8000_0001, %01, $7FFF_FFFF, %10
cnt res 1
d res 1
s res 1
cz res 1
r res 1
rcz res 1