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Fix bug in tohex

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Wesley Moore 2025-02-10 15:03:55 +10:00
parent 4e67ba4a7c
commit 8f252c15c6
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1 changed files with 4 additions and 4 deletions

8
hex.s
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@ -17,8 +17,8 @@ hexchars:
# none # none
tohex: tohex:
addi sp, sp, -20 # allocate stack space addi sp, sp, -20 # allocate stack space
sw s0, 12(sp) # save contents of s0 sw s0, 16(sp) # save contents of s0
sw s1, 8(sp) # save contents of s1 sw s1, 12(sp) # save contents of s1
li s0, 0 # set up loop variables li s0, 0 # set up loop variables
li s1, 4 li s1, 4
addi a1, a1, 6 # offset output address to end chars addi a1, a1, 6 # offset output address to end chars
@ -35,8 +35,8 @@ tohex_loop:
addi a1, a1, -2 # decrement output buffer address addi a1, a1, -2 # decrement output buffer address
addi s0, s0, 1 # increment loop counter addi s0, s0, 1 # increment loop counter
blt s0, s1, tohex_loop # TODO: we don't need the loop counter and output addr blt s0, s1, tohex_loop # TODO: we don't need the loop counter and output addr
lw s0, 12(sp) # restore s0 & s1 lw s0, 16(sp) # restore s0 & s1
lw s1, 8(sp) lw s1, 12(sp)
addi sp, sp, 20 # deallocate stack space addi sp, sp, 20 # deallocate stack space
ret ret