Merge branch 'jl7719' of https://github.com/supleed2/AM04_CPU into jl7719

This commit is contained in:
Jeevaha Coelho 2020-12-15 13:48:50 -08:00
commit 864c8b6964
37 changed files with 66 additions and 560 deletions

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.DS_Store vendored Normal file

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inputs/.DS_Store vendored Normal file

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@ -1 +1 @@
4294963199
8

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@ -1,8 +1,4 @@
3404FFFF
3405F000
34040003
34050005
00851021
00000008
00000000
00000000
00000000
00000000
00000008

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@ -1 +1 @@
10
2290649224

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@ -1,4 +1,6 @@
3404000A
3405000F
3c05cccc
3405cccc
3c04aaaa
3404aaaa
00851024
00000008

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@ -1 +1 @@
5
34952

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@ -1,5 +1,4 @@
34040005
3082000f
00000008
00000000
00000000
3c04aaaa
3404aaaa
3082cccc
00000008

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@ -1,4 +1,7 @@
34040004
34050003
0085001A
34040003
34050009
00A4001A
00002010
00002812
00851021
00000008

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@ -0,0 +1 @@
1073741824

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34040004
34050003
34048000
34050002
0085001B
00002010
00002812
00851021
00000008

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7
1

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083F0004
08000004
00000000
00000000
00000000
00000000
00000008
00000000
34020007
00000008
34020001
00000008

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@ -1,5 +1,5 @@
3405001C
3C05BCF0
3405001C
00A02009
00000000
24420001

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@ -1 +1 @@
16
1

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@ -1,7 +1,7 @@
3C05BFC0
34A50014
34050014
00A00008
00000000
00000008
34020010
34020001
00000008

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@ -1,4 +1,4 @@
34041001
34041003
34025678
88820003
00000008

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@ -1,4 +1,4 @@
34041002
3C021234
98820002
34041002
98820003
00000008

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@ -1 +0,0 @@
3

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@ -1,4 +0,0 @@
34040003
00800011
00001010
00000008

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@ -1 +0,0 @@
12

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@ -1,5 +0,0 @@
34040004
34050003
00850019
00001012
00000008

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@ -1,3 +1,4 @@
34040005
00800011
00001010
00000008

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@ -0,0 +1 @@
5

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@ -1,3 +1,4 @@
34040005
00800013
00001012
00000008

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@ -1,4 +0,0 @@
34040004
34050003
00850018
00000008

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34040004
34050003
00850019
00000008

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8
7

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34020003
00000008
34020008
00000000
00000000
00000000
00000000
00000000
00000000
34020005

1
inputs/sb/sb-1.ref.txt Normal file
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120

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34040405
34050001
a0a40001
3C041234
34045678
3C05BFC0
3405001C
A0A40000
80A20000
00000008

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inputs/sh/sh-1.ref.txt Normal file
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22136

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3C041234
34045678
3C05BFC0
3405001C
A4A40000
84A40000
00000008

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inputs/slt/.DS_Store vendored Normal file

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1
0

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@ -36,7 +36,6 @@ LUI $5,0xCCCC
ORI $5,$0,0xCCCC
LUI $4,0xAAAA
ORI $4,$0,0xAAAA
AND $2,$4,$5
JR $0
@ -473,14 +472,14 @@ register_v0 = 0x12345678
==LWL Load word left==
ORI $4,$0,0x1001
ORI $4,$0,0x1003
ORI $2,$0,0x5678
LWL $2,3($4)
JR $0
-Instruction Hex
34041001
34041003
34025678
88820003
00000008
@ -498,14 +497,14 @@ register_v0 = 0x12345678
LUI $2,0x1234
ORI $4,$0,0x1002
LWR $2,2($4)
LWR $2,3($4)
JR $0
-Instruction Hex
3C021234
34041002
98820002
98820003
00000008
-Memory Hex
@ -653,7 +652,7 @@ jr $0
00041080
00000008
register_v0 = 16
register_v0 = 12
==SLLV Shift left logical variable==
@ -667,7 +666,7 @@ jr $0
00851004
00000008
register_v0 = 16
register_v0 = 12
==SLT Set on less than (signed)==
@ -721,7 +720,7 @@ jr $0
register_v0 = 0
==SRA Shift right arithmetic==
#==SRA Shift right arithmetic==
ori $4,$0,2
sra $2,$4,1

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@ -1,483 +0,0 @@
===== ADDIU ==========
int main(void) {
int a = -2147483648 + -32768 ;
}
ORI $4,$0,-2147483648
ADDIU $2,$4,-32768
JR $0
//used to check for overflow 32768 is 2^15 which should
be sign extended. 21... is 2^31
register_v0 =
==========XORI Bitwise exclusive or immediate=============
int main(void) {
int a = 5 ^ 2;
}
ori $4,$0,5
xori $2,$4,2
jr $0
register 0 = 7
34040005
38820002
00000008
convert to little endian
////////
====XOR Bitwise exclusive or==========
int main(void) {
int a = 5 ^ 2;
}
ori $4, $0, 5
ori $5, $0, 2
xor $2, $4, $5
jr $0
register 0 = 7
34040005
34050002
00851026
00000008
convert to little endian
////////
========SW Store word==============
int main(void) {
ori $4, $0, 5
ori $5, $0, 1
sw $4, 1($5)
jr $0
register 0 = 5
34040005
34050001
aca40001
00000008
=========== SUBU Subtract unsigned ===========
int main(void) {
int a = 5-3;
}
ori $4,$0,5
ori $5,$0,3
subu $2,$4,$5
jr $0
register_v0 = 2
34040005
34050003
00851023
00000008
========= SRLV Shift right logical variable ======
int main(void) {
int a = 2;
int b = 16>>a;
}
ori $4,$0,2
ori $5,$0,16
srlv $2,$5,$4
jr $0
register 0 = 3
34040002
34050010
//////
//////
=============== SRL Shift right logical ==============
int main(void) {
int a = -2147483647>>2; #logical shift - should feed in 0s
}
ori $4,$0,-2147483647
srl $2,$4,$2
jr $0
register 0 = 536870912 (2^29)
34040001
00041002
00000008
========== SRAV Shift right arithmetic variable =======
int main(void) {
int a = 2;
int b = -2147483647>>2; #arithemtic shift not logical - feed in 1s (sign extension)
}
ori $4, $0, 4
ori $5,$0,0xF000
srav $2,$5,$4
SRAv $v0 $a1 $a0
jr $0
register 0 = -536870912 (first 3 bits high - rest low)
34040004
3405F000
////////
///////
====== SRA Shift right arithmetic ==========
int main(void) {
int a = -2147483647>>2; #arithemtic shift not logical - feed in 1s (sign extension)
}
ori $4,$0,-2147483647
sra $2,$4,$2
jr $0
register 0 = -536870912 (first 3 bits high - rest low)
34040001
00041003
00000008
======= SLTU Set on less than unsigned =====
int main() {
int a = 10;
int b = 9;
max = a < b ? 1 : 0;
return max;
}
ori $4, $0, 10
ori $5, $0, 9
sltu $2, $4, $5
jr $0
register 0 = 0
3404000a
34050009
0085102b
00000008
=========== SLTIU Set on less than immediate unsigned ==================
int main() {
int a = 10;
max = a < 9 ? 1 : 0;
return max;
}
ori $4, $0, 10
sltiu $2, $4, 9
jr $0
register 0 = 0
3404000a
2c820009
00000008
======= SLTI Set on less than immediate (signed) ========
int main() {
int a = 10;
max = a < 9 ? 1 : 0;
return max;
}
ori $4, $0, 10
slti $2, $4, 9
jr $0
register 0 = 0
3404000a
28820009
00000008
======= SLLV Shift left logical variable ======
int main(void) {
int a = 2;
int b = 3<<a;
}
ori $4,$0,2
ori $5,$0,3
sllv $2,$5,$4
jr $0
register 0 = 16
34040002
34050003
//////
//////
======= SLL Shift left logical ======
int main(void) {
int a = 3<<2;
}
ori $4,$0,3
sll $2,$4,2
jr $0
register 0 = 16
34040003
00041080
00000008
======== SB Store byte =======
ori $4, $0, 1029
ori $5, $0, 1
sb $4, 1($5)
jr $0
register 0 = 5
34040405
34050001
a0a40001
00000008
======== ORI Bitwise or immediate ===
ori $4,$0,3
jr $0
register a0 = 3
34040003
00000008
======== OR Bitwise or ===
int main(){
int a =5;
int b= 3;
int c = 5 | 3;
return 0;
}
ori $4, $0, 5
ori $5, $0, 3
or $2, $4, $5
jr $0
34040005
34050003
00851025
00000008
register 0 = 7
======= MULT Multiply =====
ori $4, $0, 4
ori $5, $0, 3
mult $4, $5
jr $0
$LO = 12
34040004
34050003
00850018
00000008
======= MULT Multiply =====
ori $4, $0, 4
ori $5, $0, 3
mult $4, $5
mflo $2
jr $0
register v0 = 12
34040004
34050003
00850018
00001012
00000008
======= MULTU Multiply unsigned =====
ori $4, $0, 4
ori $5, $0, 3
multu $4, $5
jr $0
$LO = 12
34040004
34050003
00850019
00000008
======= MULTU Multiply unsigned =====
ori $4, $0, 4
ori $5, $0, 3
multu $4, $5
mflo $2
jr $0
$2 = 12
34040004
34050003
00850019
00001012
00000008
======= MFLO Move from lo ======
ori $4, $0, 4
ori $5, $0, 3
multu $4, $5
mflo $2
jr $0
$2 = 12
34040004
34050003
00850019
00001012
00000008
=========== MFHI Move from Hi ==========
ori $4, $0, 3
mthi $4
mfhi $2
jr $0
register v0 = 3
34040003
00800011
00001010
00000008
======== MTHI Move to HI ====
ori $4, $0, 5
mthi $4
jr $0
$HI = 5
34040005
00800011
00000008
======= MTLO Move to LO ===
ori $4, $0, 5
mtlo $4
jr $0
$HI = 5
34040005
00800013
00000008
==================== SH Store half-word =======
/////////
======== DIV Divide ======
ori $4, $0, 4
ori $5, $0, 3
div $4, $5
jr $0
$LO = 1
$HI = 1
34040004
34050003
0085001A
00000008
========= DIVU Divide unsigned =====
ori $4, $0, 4
ori $5, $0, 3
divu $4, $5
jr $0
$LO = 1
$HI = 1
34040004
34050003
0085001B
00000008