Pipeline Operation

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        8 NOP		0 ADD		1 ADDI		2 Bcc		4 JMP		5 LDD 		5 SW		5 SB 		5 LDA	

1 ir	code[ pc ]	code[ pc ]	code[ pc ]	code[ pc ]	code[ pc ]	code[ pc ]	code[ pc ]	code[ pc ]	code[ pc ]
  npc	pc + 1		pc + 1		pc + 1		pc + 1		pc + 1		pc + 1		pc + 1		pc + 1		pc + 1
	
2 a			reg[ ir.ra ]	reg[ ir.ra ]	npc		npc		br		br		br		br  
  b			reg[ ir.rb ]	reg[ ir.ra ]	reg [ ir.rc ]			reg[ ir.rc ]	reg[ ir.rc ]	reg[ ir.rc ]	reg[ ir.rc ]
  imm			ir.d		ir.d		ir.d		ir.d		ir.d		ir.d		ir.d		ir.d

3 x			a op b		a op b		a + imm		b + imm		a + imm		a + imm		a + imm		a + imm
  xb											b		b		b		b
  cond			 				a func 0			1

4 pc							(cond) x !	x !	
  lmd			x		x								data[ x ]	  
  data															[x] <- b	[x] <- b (lb)	x
  sp		

5 reg	[c] <- lmd	[c] <- lmd							[c] <- lmd					[c] <- lmd

	

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	3 BSR #1	3 BSR #2	6 LSP		6 LBR		6 SWI #1	6 SWI #2	6 SWI #3	7 GSP		7 SSP	

1 ir	code[ pc ]			code[ pc ]	code[ pc ]	code[ pc ]					code[ pc ]	code[ pc ]
  npc	pc + 1				pc + 1		pc + 1		pc + 1						pc + 1		pc + 1	

2 a			npc										 
  b	npc						npc		sr						reg[ ir.rc ]
  imm			ir.d		ir.d		ir.d						ir.d		

3 x			a + imm		imm << 7	imm << 7					ir.d << 1			a
  xb	b						b		b				
  cond

4 pc			x !										
  lmd					sp <- x		x						x #-> priv	sp		
  data	[-(sp)] <- b							[-(ssp)] <- b	[-(ssp)] <- b			
  sp																	x

5 reg							[br] <- lmd							[c] <- lmd



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	7 GSR		7 SSR		7 GUSP		7 PSH		7 POP		8 RTI #1	8 RTI #2	8 RTS		8 STOP

1 ir	code[ pc ]	code[ pc ]	code[ pc ]	code[ pc ]	code[ pc ]	code[ pc ]			code[ pc ]	code[ pc ]
  npc	pc + 1		pc + 1		pc + 1		pc + 1		pc + 1		pc + 1				pc + 1		pc + 1

2 a	sr		reg[ ir.rc ]			
  b							reg[ ir.c ]			
  imm											

3 x	a		a				
  xb							b
  cond

4 pc								
  lmd	x		x		usp				data[(sp)+]	data[(ssp)+]	data[(ssp)+]	data[(sp)+]
  data							[-(sp)] <- b			
  sp

5 pc													lmd		lmd		STOP
  reg	[c] <- lmd	sr <- lmd	[c] <- lmd			[c] <- lmd	sr <- lmd