Files
fpga_modem/sw/blinky/blinky.S
2026-02-22 16:03:21 +01:00

18 lines
259 B
ArmAsm

#define GPIO_BASE 0x80000000
#define DELAY 2
.globl _start
_start:
lui a0, %hi(GPIO_BASE)
addi a0, a0, %lo(GPIO_BASE)
addi t0, zero, 0
li t1, DELAY
.lp1:
sb t0, 0(a0)
addi t0, t0, 1
and t2, zero, zero
time1:
addi t2, t2, 1
bne t1, t2, time1
j .lp1