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PM0044 数据表(PDF) 68 Page - STMicroelectronics |
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PM0044 数据表(HTML) 68 Page - STMicroelectronics |
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68 / 162 page ![]() STM8 instruction set PM0044 68/162 Doc ID 13590 Rev 3 JRNE Jump if Z =0 (not equal) - - - - - - - JRNE Label if CC.Z = 0 then PC ← PC + 2+ rr else PC ← PC + 2 26 bb 1/2 Flush (2) JRNH Jump if H = 0 - - - - - - - JRNH Label if CC.H = 0 then PC ← PC + 2+ rr else PC ← PC + 2 90 28 bb 1/2 Flush (2) JRNM Jump if Interrupts are not masked - - - - - - - JRNM Label if I0 AND I1= 0 then PC ← PC + 2 + rr else PC ← PC + 2 90 2C bb 1/2 Flush (2) JRNV jump if V = 0 - - - - - - - JRNV Label if CC.C =0 then PC ← PC + 2+ rr else PC ← PC + 2 28 bb 1/2 Flush (2) JRPL Jump if N = 0 (plus) - - - - - - - JRPL Label if CC.N = 0 then PC ← PC + 2+ rr else PC ← PC + 2 2A bb 1/2 Flush (2) JRSGE Jump if (N xor V) = 0 - - - - - - - JRSGE Label if (CC.N xor CC.V) = 0 then PC ← PC + 2+ rr else PC ← PC + 2 2E bb 1/2 Flush (2) JRSGT Jump if (Z or (N xor V)) = 0 - - - - - - - JRSGT Label if (CC.Z or (CC.N xor CC.V)) = 0 then PC ← PC + 2+ rr else PC ← PC + 2 2C bb 1/2 Flush (2) JRSLE Jump if (Z or (N xor V)) = 1 - - - - - - - JRSLE Label if (CC.Z or (CC.N xor CC.V)) = 1 then PC ← PC + 2+ rr else PC ← PC + 2 2D bb 1/2 Flush (2) JRSLT Jump if (N xor V) = 1 - - - - - - - JRSLT Label if (CC.N xor CC.V) = 1 then PC ← PC + 2+ rr else PC ← PC + 21 2F bb 1/2 Flush (2) JRT Jump relative - - - - - - - JRT Label PC ← PC + 2+ rr 20 bb 2 Flush JRUGE Jump if C = 0 - - - - - - - JRUGE Label if CC.C = 0 then PC ← PC + 2+ rr else PC ← PC + 2 24 bb 1/2 Flush (2) JRUGT Jump if (C+Z = 0) - - - - - - - JRUGT Label if (CC.C = 0 and CC.Z = 0) then PC ← PC + 2+ rr else PC ← PC + 2 22 bb 1/2 Flush JRULE Jump if (C+Z =1) - - - - - - - JRULE Label if (CC.C = 1 and CC.Z = 1) then PC ← PC + 2+ rr else PC ← PC + 2 23 bb 1/2 Flush JRULT Jump if C = 1 - - - - - - - JRULT Label if CC.C = 1 then PC ← PC + 2+ rr else PC ← PC + 21 25 bb 1/2 Flush (2) JRV Jump if V = 1 - - - - - - - JRV Label if CC.V =1 then PC ← PC + 2+ rr else PC ← PC + 2 29 bb 1/2 Flush LD A register load -- - - - LD A,($12,SP) A ← M(SP+shortoff) 7B bb 1 A register store LD ($12,SP),A M(SP+shortoff) ← A6B bb 1 Register to register move - - LD A, XH A ← XH 95 1 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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