pingu_98/icicle
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Use t0 register in demo program

Browse source
This commit is contained in:
Graham Edgecombe 2017-12-06 08:18:59 +00:00
parent 365d3e37c6
commit 3be5990b17
1 changed files with 12 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
progmem.s
View file

@ -1,20 +1,20 @@
li t1, 7
li t2, 3
li t3, 0
li t0, 7
li t1, 3
li t2, 0
# t3 = t1 * t2
# t2 = t0 * t1
mul:
beqz t1, mul_done
andi t4, t1, 1
beqz t4, mul_even
add t3, t3, t2
beqz t0, mul_done
andi t3, t0, 1
beqz t3, mul_even
add t2, t2, t1
mul_even:
srli t1, t1, 1
slli t2, t2, 1
srli t0, t0, 1
slli t1, t1, 1
j mul
# display results on the LEDs
mul_done:
li t1, 0x00010000
sw t3, 0(t1)
li t0, 0x00010000
sw t2, 0(t0)
j .