maddiebusig/zynq-7000-toolchain-test
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Add blackboard XSA and main sources

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Madeline Busig 2026-07-09 09:15:10 -07:00
parent 8dad79e2d8
commit e84c73ae7e
2 changed files with 18 additions and 0 deletions
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src/main.s Normal file
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.text
.global main
@define constants, these can be used as symbols in your code
.equ LED_CTL, 0x41210000
.set SW_DATA, 0x41220000
@the set and equ directives are equivalent and can be used interchangeably
main:
ldr r1,=SW_DATA @load switch address from constant
ldr r2,=LED_CTL @load LED address from constant
loop:
ldr r0,[r1] @load switch value *r1 ->r0
str r0,[r2] @store value to led register *r2 <-r0
b loop @go back to "loop"
.end