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HMS81004E Datasheet(PDF) 76 Page - Hynix Semiconductor |
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HMS81004E Datasheet(HTML) 76 Page - Hynix Semiconductor |
76 / 77 page APPENDIX JUNE 2001 Ver 1.00 lxxvii Branch / Jump Operation No. Mnemonic Op Code Byte No Cycle No Operation Flag NVGBHIZC 1 BBC A.bit,rel y2 2 4/6 Branch if bit clear : -------- 2 BBC dp.bit,rel y3 3 5/7 if ( bit ) = 0 , then pc ← ( pc ) + rel 3 BBS A.bit,rel x2 2 4/6 Branch if bit set : -------- 4 BBS dp.bit,rel x3 3 5/7 if ( bit ) = 1 , then pc ← ( pc ) + rel 5 BCC rel 50 2 2/4 Branch if carry bit clear if ( C ) = 0 , then pc ← ( pc ) + rel -------- 6 BCS rel D0 2 2/4 Branch if carry bit set if ( C ) = 1 , then pc ← ( pc ) + rel -------- 7 BEQ rel F0 2 2/4 Branch if equal if ( Z ) = 1 , then pc ← ( pc ) + rel -------- 8 BMI rel 90 2 2/4 Branch if minus if ( N ) = 1 , then pc ← ( pc ) + rel -------- 9 BNE rel 70 2 2/4 Branch if not equal if ( Z ) = 0 , then pc ← ( pc ) + rel -------- 10 BPL rel 10 2 2/4 Branch if plus if ( N ) = 0 , then pc ← ( pc ) + rel -------- 11 BRA rel 2F 2 4 Branch always pc ← ( pc ) + rel -------- 12 BVC rel 30 2 2/4 Branch if overflow bit clear if (V) = 0 , then pc ← ( pc) + rel -------- 13 BVS rel B0 2 2/4 Branch if overflow bit set if (V) = 1 , then pc ← ( pc ) + rel -------- 14 CALL !abs 3B 3 8 Subroutine call 15 CALL [dp] 5F 2 8 M( sp) ←( pcH ), sp←sp - 1, M(sp)← (pcL), sp ←sp - 1, if !abs, pc ← abs ; if [dp], pcL← ( dp ), pcH← ( dp+1 ) . -------- 16 CBNE dp,rel FD 3 5/7 Compare and branch if not equal : -------- 17 CBNE dp+X,rel 8D 3 6/8 if ( A ) ≠ ( M ) , then pc ← ( pc ) + rel. 18 DBNE dp,rel AC 3 5/7 Decrement and branch if not equal : -------- 19 DBNE Y,rel 7B 2 4/6 if ( M ) ≠ 0 , then pc ← ( pc ) + rel. 20 JMP !abs 1B 3 3 Unconditional jump 21 JMP [!abs] 1F 3 5 pc ← jump address -------- 22 JMP [dp] 3F 2 4 23 PCALL upage 4F 2 6 U-page call M(sp) ←( pcH ), sp ←sp - 1, M(sp) ← ( pcL ), sp ← sp - 1, pcL ← ( upage ), pcH ← ”0FFH” . -------- 24 TCALL n nA 1 8 Table call : (sp) ←( pcH ), sp ← sp - 1, M(sp) ← ( pcL ),sp ← sp - 1, pcL ← (Table vector L), pcH ← (Table vector H) -------- |
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