URL
https://opencores.org/ocsvn/plasma/plasma/trunk
Subversion Repositories plasma
Compare Revisions
- This comparison shows the changes necessary to convert path
/
- from Rev 28 to Rev 29
- ↔ Reverse comparison
Rev 28 → Rev 29
/trunk/tools/opcodes.asm
20,6 → 20,14
entry: |
.set noreorder |
|
#These four instructions must be the first instructions |
#convert.exe will correctly initialize $gp |
lui $gp,0 |
ori $gp,$gp,0 |
#convert.exe will set $4=.sbss_start $5=.bss_end |
ori $4,$0,0 |
ori $5,$0,0 |
|
mtc0 $0,$12 #disable interrupts |
ori $20,$0,0xffff #serial port write address |
ori $21,$0,'\n' #<CR> letter |
668,12 → 676,12
#h: SH |
ori $2,$0,'h' |
sb $2,0($20) |
ori $2,$0,0xf000 |
ori $4,$0,0xf000 |
ori $2,$0,0x4142 |
sw $2,16($2) |
lb $3,16($2) |
sh $2,16($4) |
lb $3,16($4) |
sb $3,0($20) |
lb $2,17($2) |
lb $2,17($4) |
sb $2,0($20) |
sb $21,0($20) |
|
900,7 → 908,7
sb $3,0($20) |
ori $3,$0,25 |
li $2,0x84000000 |
sra $3,$2,$3 |
srav $3,$2,$3 |
sub $3,$3,0x80 |
sb $3,0($20) |
sb $21,0($20) |
912,7 → 920,7
srl $3,$2,16 |
sb $3,0($20) |
li $2,0x84000000 |
sra $3,$2,25 |
srl $3,$2,25 |
sb $3,0($20) |
sb $21,0($20) |
|
925,8 → 933,7
sb $4,0($20) |
ori $3,$0,25 |
li $2,0x84000000 |
sra $3,$2,$3 |
sub $3,$3,0x80 |
srlv $3,$2,$3 |
sb $3,0($20) |
sb $21,0($20) |
|