opcodes.asm

Plasma IP Core 你可以利用这个组件在FPGA中设计MIPS结构的CPU

   ori   $10,$0,'A'
   ori   $11,$0,'B'
   ori   $12,$0,'C'
   ori   $13,$0,'D'
   ori   $2,$0,100
   ori   $3,$0,123
   ori   $4,$0,123
   bne   $3,$4,$BNE1
   sb    $10,0($20)
   sb    $11,0($20)
   bne   $2,$3,$BNE1
   sb    $12,0($20)
   sb    $22,0($20)
$BNE1:
   sb    $13,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #k: J
   ori   $2,$0,'k'
   sb    $2,0($20)
   ori   $10,$0,'A'
   ori   $11,$0,'B'
   ori   $15,$0,'X'
   j     $J1
   sb    $10,0($20)
   sb    $15,0($20)
$J1:
   sb    $11,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #l: JAL
   ori   $2,$0,'l'
   sb    $2,0($20)
   ori   $10,$0,'A'
   ori   $11,$0,'B'
   ori   $12,$0,'C'
   ori   $13,$0,'D'
   ori   $14,$0,'E'
   ori   $15,$0,'X'
   jal   $JAL1
   sb    $10,0($20)
   sb    $13,0($20)
   b     $JAL2
   sb    $14,0($20)
   sb    $15,0($20)
$JAL1:
   sb    $11,0($20)
   jr    $31
   sb    $12,0($20)
   sb    $22,0($20)
$JAL2:
   sb    $23,0($20)
   sb    $21,0($20)

   #m: JALR
   ori   $2,$0,'m'
   sb    $2,0($20)
   ori   $10,$0,'A'
   ori   $11,$0,'B'
   ori   $12,$0,'C'
   ori   $13,$0,'D'
   ori   $14,$0,'E'
   ori   $15,$0,'X'
   la    $3,$JALR1
   jalr  $3
   sb    $10,0($20)
   sb    $13,0($20)
   b     $JALR2
   sb    $14,0($20)
   sb    $15,0($20)
$JALR1:
   sb    $11,0($20)
   jr    $31
   sb    $12,0($20)
   sb    $22,0($20)
$JALR2:
   sb    $23,0($20)
   sb    $21,0($20)

   #n: JR
   ori   $2,$0,'n'
   sb    $2,0($20)
   ori   $10,$0,'A'
   ori   $11,$0,'B'
   ori   $15,$0,'X'
   la    $3,$JR1
   jr    $3
   sb    $10,0($20)
   sb    $15,0($20)
$JR1:
   sb    $11,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #o: NOP
   ori   $2,$0,'o'
   sb    $2,0($20)
   ori   $2,$0,65
   nop
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

#   b     LoadTest

BreakTest:
   #p: BREAK
   ori   $2,$0,'p'
   sb    $2,0($20)
   ori   $2,$0,'z'
   ori   $4,$0,59
   break 0
   addi  $4,$4,1
   sb    $4,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #q: SYSCALL
   ori   $2,$0,'q'
   sb    $2,0($20)
   ori   $4,$0,61
   syscall 0
   addi  $4,$4,-1
   sb    $4,0($20)
   sb    $23,0($20)
   sb    $21,0($20)


   ######################################
   #Load, Store, and Memory Control Instructions
   ######################################
LoadTest:
   ori   $2,$0,'L'
   sb    $2,0($20)
   ori   $2,$0,'o'
   sb    $2,0($20)
   ori   $2,$0,'a'
   sb    $2,0($20)
   ori   $2,$0,'d'
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #a: LB
   ori   $2,$0,'a'
   sb    $2,0($20)
   or    $2,$0,$24
   li    $3,0x414243fc
   sw    $3,16($2)
   lb    $4,16($2)
   sb    $4,0($20)
   lb    $4,17($2)
   sb    $4,0($20)
   lb    $4,18($2)
   sb    $4,0($20)
   lb    $2,19($2)
   sra   $3,$2,8
   addi  $3,$3,0x45
   sb    $3,0($20)
   addi  $2,$2,0x49
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #b: LBU
   ori   $2,$0,'b'
   sb    $2,0($20)
   or    $2,$0,$24
   li    $3,0x41424344
   sw    $3,16($2)
   lb    $4,16($2)
   sb    $4,0($20)
   lb    $4,17($2)
   sb    $4,0($20)
   lb    $4,18($2)
   sb    $4,0($20)
   lb    $2,19($2)
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #c: LH
   ori   $2,$0,'c'
   sb    $2,0($20)
   or    $2,$0,$24
   li    $3,0x00410042
   sw    $3,16($2)
   lh    $4,16($2)
   sb    $4,0($20)
   lh    $2,18($2)
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #d: LHU
   ori   $2,$0,'d'
   sb    $2,0($20)
   or    $2,$0,$24
   li    $3,0x00410042
   sw    $3,16($2)
   lh    $4,16($2)
   sb    $4,0($20)
   lh    $2,18($2)
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #e: LW
   ori   $2,$0,'e'
   sb    $2,0($20)
   or    $2,$0,$24
   li    $3,'A'
   sw    $3,16($2)
   ori   $3,$0,0
   lw    $2,16($2)
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #f: LWL & LWR
   ori   $2,$0,'f'
   sb    $2,0($20)
   or    $2,$0,$24
   li    $3,'A'
   sw    $3,16($2)
   ori   $3,$0,0
   lwl   $2,16($2)
   lwr   $2,16($2)
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #g: SB
   ori   $2,$0,'g'
   sb    $2,0($20)
   ori   $2,$0,'A'
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #h: SH
   ori   $2,$0,'h'
   sb    $2,0($20)
   or    $4,$0,$24
   ori   $2,$0,0x4142
   sh    $2,16($4)
   lb    $3,16($4)
   sb    $3,0($20)
   lb    $2,17($4)
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #i: SW
   ori   $2,$0,'i'
   sb    $2,0($20)
   or    $2,$0,$24
   li    $3,0x41424344
   sw    $3,16($2)
   lb    $4,16($2)
   sb    $4,0($20)
   lb    $4,17($2)
   sb    $4,0($20)
   lb    $4,18($2)
   sb    $4,0($20)
   lb    $2,19($2)
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #j: SWL & SWR
   ori   $2,$0,'j'
   sb    $2,0($20)
   or    $2,$0,$24
   li    $3,0x41424344
   swl   $3,16($2)
   swr   $3,16($2)
   lb    $4,16($2)
   sb    $4,0($20)
   lb    $4,17($2)
   sb    $4,0($20)
   lb    $4,18($2)
   sb    $4,0($20)
   lb    $2,19($2)
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)


   ######################################
   #Logical Instructions
   ######################################
LogicalTest:
   ori   $2,$0,'L'
   sb    $2,0($20)
   ori   $2,$0,'o'
   sb    $2,0($20)
   ori   $2,$0,'g'
   sb    $2,0($20)
   ori   $2,$0,'i'
   sb    $2,0($20)
   ori   $2,$0,'c'
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #a: AND
   ori   $2,$0,'a'
   sb    $2,0($20)
   ori   $2,$0,0x0741
   ori   $3,$0,0x60f3
   and   $4,$2,$3
   sb    $4,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #b: ANDI
   ori   $2,$0,'b'
   sb    $2,0($20)
   ori   $2,$0,0x0741
   andi  $4,$2,0x60f3
   sb    $4,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #c: LUI
   ori   $2,$0,'c'
   sb    $2,0($20)
   lui   $2,0x41
   srl   $3,$2,16
   sb    $3,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #d: NOR
   ori   $2,$0,'d'
   sb    $2,0($20)
   li    $2,0xf0fff08e
   li    $3,0x0f0f0f30
   nor   $4,$2,$3
   sb    $4,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #e: OR
   ori   $2,$0,'e'
   sb    $2,0($20)
   ori   $2,$0,0x40
   ori   $3,$0,0x01
   or    $4,$2,$3
   sb    $4,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #f: ORI
   ori   $2,$0,'f'
   sb    $2,0($20)
   ori   $2,$0,0x40
   ori   $4,$2,0x01
   sb    $4,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #g: XOR
   ori   $2,$0,'g'
   sb    $2,0($20)
   ori   $2,$0,0xf043
   ori   $3,$0,0xf002
   xor   $4,$2,$3
   sb    $4,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #h: XORI
   ori   $2,$0,'h'
   sb    $2,0($20)
   ori   $2,$0,0xf043
   xor   $4,$2,0xf002
   sb    $4,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

 
   ######################################
   #Move Instructions
   ######################################
MoveTest:
   ori   $2,$0,'M'
   sb    $2,0($20)
   ori   $2,$0,'o'
   sb    $2,0($20)
   ori   $2,$0,'v'
   sb    $2,0($20)
   ori   $2,$0,'e'
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #a: MFHI
   ori   $2,$0,'a'
   sb    $2,0($20)
   ori   $2,$0,65
   mthi  $2
   mfhi  $3
   sb    $3,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #b: MFLO
   ori   $2,$0,'b'
   sb    $2,0($20)
   ori   $2,$0,65
   mtlo  $2
   mflo  $3
   sb    $3,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #c: MTHI
   ori   $2,$0,'c'
   sb    $2,0($20)
   ori   $2,$0,65
   mthi  $2
   mfhi  $3
   sb    $3,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #d: MTLO
   ori   $2,$0,'d'
   sb    $2,0($20)
   ori   $2,$0,65
   mtlo  $2
   mflo  $3
   sb    $3,0($20)
   sb    $23,0($20)
   sb    $21,0($20)


   ######################################
   #Shift Instructions
   ######################################
ShiftTest:
   ori   $2,$0,'S'
   sb    $2,0($20)
   ori   $2,$0,'h'
   sb    $2,0($20)
   ori   $2,$0,'i'
   sb    $2,0($20)
   ori   $2,$0,'f'
   sb    $2,0($20)
   ori   $2,$0,'t'
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #a: SLL
   ori   $2,$0,'a'
   sb    $2,0($20)
   li    $2,0x40414243
   sll   $3,$2,8
   srl   $3,$3,24
   sb    $3,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #b: SLLV
   ori   $2,$0,'b'
   sb    $2,0($20)
   li    $2,0x40414243
   ori   $3,$0,8
   sllv  $3,$2,$3
   srl   $3,$3,24
   sb    $3,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #c: SRA
   ori   $2,$0,'c'
   sb    $2,0($20)
   li    $2,0x40414243
   sra   $3,$2,16
   sb    $3,0($20)
   li    $2,0x84000000
   sra   $3,$2,25
   sub   $3,$3,0x80
   sb    $3,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #d: SRAV
   ori   $2,$0,'d'
   sb    $2,0($20)
   li    $2,0x40414243
   ori   $3,$0,16
   srav  $3,$2,$3
   sb    $3,0($20)
   ori   $3,$0,25
   li    $2,0x84000000
   srav  $3,$2,$3
   sub   $3,$3,0x80
   sb    $3,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #e: SRL
   ori   $2,$0,'e'
   sb    $2,0($20)
   li    $2,0x40414243
   srl   $3,$2,16
   sb    $3,0($20)
   li    $2,0x84000000
   srl   $3,$2,25
   sb    $3,0($20)
   sb    $23,0($20)
   sb    $21,0($20)

   #f: SRLV
   ori   $2,$0,'f'
   sb    $2,0($20)
   li    $2,0x40414243
   ori   $3,$0,16
   srlv  $4,$2,$3
   sb    $4,0($20)
   ori   $3,$0,25
   li    $2,0x84000000
   srlv  $3,$2,$3
   sb    $3,0($20)
   sb    $23,0($20)
   sb    $21,0($20)


   ori   $2,$0,'D'
   sb    $2,0($20)
   ori   $2,$0,'o'
   sb    $2,0($20)
   ori   $2,$0,'n'
   sb    $2,0($20)
   ori   $2,$0,'e'
   sb    $2,0($20)
   sb    $23,0($20)
   sb    $21,0($20)


$DONE:
   j     $DONE
   nop

   .set reorder
	.end	entry