ra/sprotne_naloge/naloga_04/naloga_04.txt
Gašper Dobrovoljc 2e8dab904d
Vaja 03 popravki
2023-11-08 15:18:50 +01:00

102 lines
1.0 KiB
Plaintext

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