7 exchange instructions, 8 stack manipulation instructions, 9 16-bit arithmetic and logical ops – Jameco Electronics Rabbit 3000 User Manual

Page 261

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252

Rabbit 3000 Microprocessor

19.7 Exchange Instructions

Instruction clk A I S Z V C Operation

EX (SP),HL 15 r - - - - H <-> (SP+1); L <-> (SP)

EX (SP),IX 15 - - - - IXH <-> (SP+1); IXL <-> (SP)

EX (SP),IY 15 - - - - IYH <-> (SP+1); IYL <-> (SP)

EX AF,AF’ 2 - - - - AF <-> AF’

EX DE’,HL 2 s - - - - if (!ALTD) then DE’ <-> HL

else DE’ <-> HL’

EX DE’,HL’ 4 s - - - - DE’ <-> HL’

EX DE,HL 2 s - - - - if (!ALTD) then DE <-> HL

else DE <-> HL’

EX DE,HL’ 4 s - - - - DE <-> HL’

EXX 2 - - - - BC <-> BC’; DE <-> DE’;

HL <-> HL’

19.8 Stack Manipulation Instructions

Instruction clk A I S Z V C Operation

ADD SP,d 4 f - - - * SP = SP + d -- d=0 to 255

POP IP 7 - - - - IP = (SP); SP = SP+1

POP IX 9 - - - - IXL = (SP); IXH = (SP+1);

SP = SP+2

POP IY 9 - - - - IYL = (SP); IYH = (SP+1);

SP = SP+2

POP zz 7 r - - - - zzl = (SP); zzh = (SP+1);

SP=SP+2 -- zz= BC,DE,HL,AF

PUSH IP 9 - - - - (SP-1) = IP; SP = SP-1

PUSH IX 12 - - - - (SP-1) = IXH; (SP-2) = IXL;

SP = SP-2

PUSH IY 12 - - - - (SP-1) = IYH; (SP-2) = IYL;

SP = SP-2

PUSH zz 10 - - - - (SP-1) = zzh; (SP-2) = zzl;

SP=SP-2 --zz= BC,DE,HL,AF

19.9 16-bit Arithmetic and Logical Ops

Instruction clk A I S Z V C Operation

ADC HL,ss 4 fr * * V * HL = HL + ss + CF -- ss=BC,

DE, HL, SP

ADD HL,ss 2 fr - - - * HL = HL + ss

ADD IX,xx 4 f - - - * IX = IX + xx -- xx=BC,

DE, IX, SP

A

F

A’

F’

H

H’

D

D’

L

L’

E

E’

B

B’

C

C’

EX AF,AF’

EX DE’,HL

EX DE,HL’

EX DE’,HL’

EX DE,HL

EXX - exchange HL,HL’,DE,DE’,BC,BC’

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