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EM77950 Datasheet(PDF) 97 Page - ELAN Microelectronics Corp |
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EM77950 Datasheet(HTML) 97 Page - ELAN Microelectronics Corp |
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97 / 102 page  EM77950 BB Controller Product Specification (V1.0) 10.09.2007 • 89 (This specification is subject to change without further notice) Type Binary Instruction Mnemonic Operation Status Affected Cycles 0001 xxaa 0bbb aaaa rrrr aaaa rrrr aaaa JBC r,b,addr If r(b)=0, jump to addr None 2/3 0001 xxaa 1bbb aaaa rrrr aaaa rrrr aaaa JBS r,b,addr If r(b)=1, jump to addr None 2/3 0101 xxaa 0010 aaaa rrrr aaaa rrrr aaaa DJZA r,addr A ←r-1, jump to addr if zero None 2/3 0101 xxaa 0011 aaaa rrrr aaaa rrrr aaaa DJZ r,addr r ←r-1, jump to addr if zero None 2/3 0101 xxaa 0100 aaaa rrrr aaaa rrrr aaaa JZA r,addr A←r+1, jump to addr if zero None 2/3 Compare Branch 0101 xxaa 0101 aaaa rrrr aaaa rrrr aaaa JZ r,addr r ←r+1, jump to addr if zero None 2/3 0010 0bbb rrrr rrrr BC r,b r(b) ← 0 None 1 0010 1bbb rrrr rrrr BS r,b r(b) ← 1 None 1 0011 0bbb rrrr rrrr BTG r,b r(b) ← /r(b) None 1 0011 1000 rrrr rrrr SWAP r r(0:3) ↔ r(4:7) None 1 0011 1001 rrrr rrrr SWAPA r A(4:7) ← r(0:3) A(0:3) ← r(4:7) None 1 1010 1100 rrrr rrrr ZCHK r Z ← 0 if r < > 0 Z ← 1 if r = 0 Z 1 0000 0000 0000 1101 RPT Single repeat CS times on next TBRD instruction None 1 Process 1010 1111 rrrr rrrr CLR r r ← 0 Z 1 0011 1100 rrrr rrrr ADD A,r A ← A+r C, DC, Z 1 0011 1101 rrrr rrrr ADD r,A r ← r+A C, DC, Z 1 0011 1110 kkkk kkkk ADD A,#k A ← A+k C, DC, Z 1 0100 0010 rrrr rrrr SUB A,r A ← r-A C, DC, Z 1 0100 0011 rrrr rrrr SUB r,A f ← r-A C, DC, Z 1 0100 0100 kkkk kkkk SUB A,#k A ← k-A C, DC, Z 1 0100 1110 rrrr rrrr INCA r A ← r+1 C, DC, Z 1 0100 1111 rrrr rrrr INC r r ← r+1 C, DC, Z 1 0101 0000 rrrr rrrr DECA r A ← r-1 C, DC, Z 1 Arithmetic 0101 0001 rrrr rrrr DEC r r ← r-1 C, DC, Z 1 1010 1000 rrrr rrrr MOV A,r A ← r Z 1 1010 1001 rrrr rrrr MOV r,A r ← A None 1 0110 r2 r2 r2 r2 r2 r2 r1 r1 r1 r1 r1 r1 MOVRR r1, r2 Register r1 ← Register r2 None 1 Move 1010 0111 kkkk kkkk MOV A,#k A ← k None 1 110a aaaa aaaa aaaa JMP addr PC ← addr PC[13..16] unchange None 1 Branch 111a aaaa aaaa aaaa CALL addr [Top of Stack] ← PC + 1 PC ← addr PC [13..16] unchange None 1 Bank 1010 1110 0000 0kkk BANK #k R4(RAMBS0) ← k (0~6) None 1 Page 1010 1101 0000 000k PAGE #k R5(PAGES) ← k (0~1) None 1 |
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