48 lines
898 B
Plaintext
48 lines
898 B
Plaintext
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1. naloga
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.text
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.org 0x20
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.align
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.global _start
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_start: @ stanje zastavic register nepred. pred.
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movs r0, #0 @ N = 0, Z = 1 0x00000000 0 0
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subs r0, r0, #1 @ N=1,Z=0,C=0,V=0 0xffffffff maks -1
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adds r0, r0, #2 @ N=0,Z=0,C=1,V=0 0x00000001 1 1
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end: b end
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2. naloga
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.text
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.org 0x20
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.align
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.global _start
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_start: @ stanje zastavic register nepred. pred.
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movs r0, #1 @ N = 0, Z = 0 0x00000001 1 1
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subs r0, r0, #1 @ N=0,Z=1,C=1,V=0 0x00000000 0 0
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subs r0, r0, #1 @ N=1,Z=0,C=0,V=0 0xffffffff maks -1
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end: b end
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3. naloga
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.text
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.org 0x20
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STEV1: .hword -10
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STEV2: .byte 0x64
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STEV3: .byte -2
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.align
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.global _start
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_start:
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adr r0, STEV2
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ldrsb r2, [r0]
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adr r0, STEV3
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ldrsb r3, [r0]
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add r2, r2, r3
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adr r0, STEV1
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ldrsh r1, [r0]
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sub r1, r2, r1
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strh r1, [r0]
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end: b end
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