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Merge branch 'main' of https://github.com/supleed2/AM04_CPU into main

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jl7719 2020-12-18 09:22:27 +00:00
parent 47a452cd6d 339e2b6b58
commit 2a7b9c2c49
3 changed files with 76 additions and 2 deletions
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2
inputs/div/div-5.ref.txt
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@ -1 +1 @@
3
3

2
inputs/div/div-5.txt
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@ -1,6 +1,6 @@
34040004
34050003
00A4001A
0085001A
00002010
00002812
00851021

74
reference/divedgecaseref.txt Normal file
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@ -0,0 +1,74 @@
==========DIV-Divide==========
div - 2 // is it seperating quotients & remainders correctly
ori $4, $0, 4
ori $5, $0, 3
div $4, $5
mfhi $4
mflo $5
addu $2,$4,$5
jr $0
ref file = 2
34040004
34050003
0085001A
00002010
00002812
00851021
00000008
div - 3 // -ve/-ve
ori $4, $0, -4
ori $5, $0, -2
div $4, $5
mflo $2
jr $0
reg file = 2
3404fffc
3405fffe
0085001A
00001012
00000008
div - 4 // +ve/-ve
ori $4, $0, 4
ori $5, $0, -2
div $4, $5
mflo $2
jr $0
reg file = -2
34040004
3405fffe
0085001A
00001012
00000008
div - 5 // is it seperating quotients & remainders correctly - when dealing with negatives
ori $4, $0, -4
ori $5, $0, 3
div $4, $5
mfhi $4
mflo $5
addu $2,$4,$5
jr $0
ref file = 2 - as we are adding -1 and -1 using addu
34040004
34050003
0085001A
00002010
00002812
00851021
00000008