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PM0044 数据表(PDF) 136 Page - STMicroelectronics |
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PM0044 数据表(HTML) 136 Page - STMicroelectronics |
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136 / 162 page ![]() STM8 instruction set PM0044 136/162 Doc ID 13590 Rev 3 Syntax RLWA dst e.g. RLWA Y,A Operation A <= dstH <= dstL <= A Description The destination index register and Accumulator are rotated left by 1-byte. Instruction overview N ⇒ R15 Set if bit 15 of the result is set (negative value), cleared otherwise. Z ⇒ R15.R14.R13.R12.R11.R10.R9.R8.R7.R6.R5.R4.R3.R2.R1.R0 Set if the result is zero (0x0000), cleared otherwise. Detailed description See also: RRWA, SWAPW RLWA Rotate Word Left through A RLWA mnem dst src Affected condition flags VI1 H I0 N Z C RLWA X A -- -- N Z - RLWA Y A -- -- N Z - dst src Asm cy lgth Op-code(s) ST7 XA RLWA X 1 1 02 YA RLWA Y 1 2 90 02 |
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