Sprotne naloge 3, 4

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Gašper Dobrovoljc 2023-11-06 09:00:05 +01:00
commit a0af5764eb
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9 changed files with 156 additions and 0 deletions

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mov R1, #128 @ se prevede v 0xe3a01080

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.text
.org 0x20
@spremenljivke
stev1: .word 0x12345678
STEV2: .byte 128
.align
STEV3: .hword 0xF123
.align
.global _start
_start:
@program
adr r0, stev1
ldr r1, [r0]
adr r0, stev2
ldr r1, [r0]
adr r0, stev3
ldr r1, [r0]

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.text
.org 0x20
STEV1: .hword 0x0201
STEV2: .space 2
.global _start
_start:
adr r0, STEV1
ldr r1, [r0]
adr r0, STEV2
strh r1, [r0]

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.text
.org 0x20
stev1: .word 0x04030201
stev2: .space 4
.global _start
_start:
adr r0, stev1
ldr r1, [r0]
adr r0, stev2
str r1, [r0]

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.text
.org 0x20
stev1: .byte 0x01
stev2: .space 1
.align
.global _start
_start:
adr r0, stev1
ldr r1, [r0]
adr r0, stev2
strb r1, [r0]

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.text
.org 0x20
stev1: .word 0x00000001
stev2: .word 0x00000002
.global _start
_start:
adr r0, stev1
ldrh r1, [r0]
ldrh r2, [r0, #4]
str r2, [r0]
str r1, [r0, #4]

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.text
.org 0x20
tabela: .space 5
.align
.global _start
_start:
adr r0, tabela
mov r1, #0xffffffff
str r1, [r0]
strb r1, [r0, #4]

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.text
.org 0x20
tabela: .space 6
.align
.global _start
_start:
adr r0, tabela
ldr r1, =0x04030201
str r1, [r0]
ldrh r1, =0x0605
str r1, [r0, #4]
@ zamenjaj 1. <-> 6.
ldrb r1, [r0]
ldrb r2, [r0, #5]
strb r2, [r0]
strb r1, [r0, #5]
@ zamenjaj 2. <-> 5.
ldrb r1, [r0, #1]
ldrb r2, [r0, #4]
strb r2, [r0, #1]
strb r1, [r0, #4]
@ zamenjaj 3. <-> 4.
ldrb r1, [r0, #2]
ldrb r2, [r0, #3]
strb r2, [r0, #2]
strb r1, [r0, #3]

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.text
.org 0x20
stev1: .word 0x01020304
.align
.global _start
_start:
adr r0, stev1
ldrb r1, [r0]
ldrb r2, [r0, #3]
strb r2, [r0]
strb r1, [r0, #3]
ldrb r1, [r0, #1]
ldrb r2, [r0, #2]
strb r2, [r0, #1]
strb r1, [r0, #2]