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PM0044 数据表(PDF) 67 Page - STMicroelectronics |
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PM0044 数据表(HTML) 67 Page - STMicroelectronics |
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67 / 162 page  PM0044 STM8 instruction set Doc ID 13590 Rev 3 67/162 INC Increment byte by one -- - - INC ([$1234.w],X) M(M(longmem).w + X) ← M(M(longmem).w + X) + 1 72 6C ww bb 4 INCW Increment word by one -- - - INCW X X ← X + 1 5C 2 INT Interrupt - - - - - - - INT $123456 PC ← extmem 82 ee ww bb 2 IRET Interrupt return Updated according to the value pop from the stack into CC register IRET (++SP) CC ← M(++SP) A ← M(++SP) X ← M(++SP); SP++ Y ← M(++SP); SP++ PCE ← M(++SP) PCH ← M(++SP) PCL ← M(++SP) 80 11 Flush JP Jump to an address in section 0 - - - - - - - JP ([$1234.w],X) PC ← M(longmem).w + X 72 DC ww bb 5 Flush JPF Jump to an extended address - - - - - - - JPF $123456 PC ← extmem AC ee ww bb 2 Flush JRA Unconditional relative jump - - - - - - - JRA Label PC ← PC + 2+ rr 20 bb 2 Flush JRC Jump if C = 1 - - - - - - - JRC Label if CC.C =1 then PC ← PC + 2+ rr else PC ← PC + 2 25 bb 1/2 Flush (2) JREQ Jump if Z = 1(equal) - - - - - - - JREQ Label if CC.Z = 1 then PC ← PC + 2+ rr else PC ← PC + 2 27 bb 1/2 Flush (2) JRF Never Jump - - - - - - - JRF Label ---------------- 21 bb 1 JRH Jump if H = 1 - - - - - - - JRH Label if CC.H = 1 then PC ← PC + 2+ rr else PC ← PC + 2 90 29 bb 1/2 Flush (2) JRIH Jump if Port INT pin = 1 - - - - - - - JRIH Label if Port INT pin =1 then PC ← PC + 2+ rr else PC ← PC + 2 90 2F bb 1/2 Flush (2) JRIL Jump if Port INT pin = 0 - - - - - - - JRIL Label if Port INT pin = 0 then PC ← PC + 2+ rr else PC ← PC + 2 90 2E bb 1/2 Flush (2) JRM Jump if Interrupts are masked - - - - - - - JRM Label if I0 AND I1 = 1 then PC ← PC + 2 + rr else PC ← PC + 2 90 2D bb 1/2 Flush (2) JRMI Jump if N = 1(minus) - - - - - - - JRMI Label if CC.N = 1 then PC ← PC + 2+ rr else PC ← PC + 2 2B bb 1/2 Flush (2) JRNC jump if C = 0 - - - - - - - JRNC Label if CC.C =0 then PC ← PC + 2+ rr else PC ← PC + 2 24 bb 1/2 Flush (2) Table 42. Instruction set summary (continued) Description Effect on CC register Syntax example Operation Example op- code(s) VI1 H I0 N Z C |
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