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PM0044 数据表(PDF) 70 Page - STMicroelectronics |
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PM0044 数据表(HTML) 70 Page - STMicroelectronics |
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70 / 162 page ![]() STM8 instruction set PM0044 70/162 Doc ID 13590 Rev 3 POPW Pop index register from stack - - --- - - POPW X XH ← M(++SP) XL ← M(++SP) 85 2 PUSH Push data byte onto stack - - --- - - PUSH $1234 M(SP--) ← M(longmem) 3B ww bb 1 PUSH #$12 M(SP--) ← imm.b 4B bb 1 PUSHW Push index register onto stack - - --- - - PUSHW X M(SP--) ← XL M(SP--) ← XH 89 2 RCF Reset carry flag - - - - - - 0 RCF CC.C ← 098 1 RET Subroutine return from section 0 - - --- - - RET PCH ← M(++SP) PCL ← M(++SP) 81 4 Flush RETF Subroutine return from extended address - - --- - - RETF PCE ← M(++SP) PCH ← M(++SP) PCL ← M(++SP) 87 5 Flush RIM Reset interrupt mask/ Interrupt enable -1 - 0 - - - RIM CC.I1 ← 19A 1 RLC Rotate left logical through carry -- - - RLC ([$1234.w],X) R0 ← CC.C R1 ← bit 0 R2 ← bit 1 R3 ← bit 2 R4 ← bit 3 R5 ← bit 4 R6 ← bit 5 R7 ← bit 6 CC.C ← bit 7 72 69 ww bb 4 RLCW Rotate word left logical through carry -- - - RLCW X R0 ← CC.C R1 ← bit 0 R2 ← bit 1 ... R13 ← bit 12 R14 ← bit 13 R15 ← bit 14 CC.C ← bit 15 59 2 RLWA Rotate word left through Accumulator -- - - -RLWA X A ← XH XH ← XL XL ← A 02 1 RRC Rotate right logical through carry -- - - RRC ([$1234.w],X) R7 ← CC.C R6 ← bit 7 R5 ← bit 6 R4 ← bit 5 R3 ← bit 4 R2 ← bit 3 R1 ← bit 2 R0 ← bit 1 CC.C ← bit 0 72 66 ww bb 4 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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