11.07.2015 Views

section 7 - Index of

section 7 - Index of

section 7 - Index of

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Nonmultlply Instruction EncodingThe a-bit operation code for instructions allowing parallel moves contains two 3-bit fieldsdefining which instruction the operation code represents and one bit defining the destinationaccumulator register.The a-bit operation code = OJJJ Dkkkwhere JJJ=1/2 instruction numberkkk=1/2 instruction number0=0'-' A0=1 .-. BJJJ000001010 2011 2010 2011 2100101110111NOTES:Table A-29 Nonmultlply Instruction EncodingD=O D =1Src SrcOper Oper 000B A MOVE'B A ADDB A -B A -X1XO X1XO ADDY1YO Y1YO ADDXO_O XO_O ADDYO_O YO_O ADDX1_0 X1_0 ADDY1_0 yeO ADD• = Reserved1 = Special Case 11 (See Table A-30)2 = Special Case f2 (See Table A-31)001TFRRND--ADCADCTFRTFRTFRTFRkick010 011 100 101 110ADDR TST * CMP SUBRADDL CLR SUB * SUBLASR LSR - - ABSASL LSL - - NEG- - SUB SBC- - SUB SBCOR EOR SUB CMP ANDOR EOR SUB CMP ANDOR EOR SUB CMP ANDOR EOR SUB CMP AND111CMPMNOTRORROLCMPMCMPMCMPMCMPM-

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!