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PM0044 датащи(PDF) 75 Page - STMicroelectronics |
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PM0044 датащи(HTML) 75 Page - STMicroelectronics |
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75 / 162 page ![]() PM0044 STM8 instruction set Doc ID 13590 Rev 3 75/162 Syntax ADC A, src e.g. ADC A,#$15 Operation A <= A+ src + C Description The source byte, along with the carry flag, is added to the contents of the accumulator and the result is stored in the accumulator. This instruction is useful for addition of operands that are larger than eight. The source is a memory or data byte. Instruction overview: V ⇒ (A7.M7 + M7.R7 + R7.A7) ⊕ (A6.M6 + M6.R6 + R6.A6) Set if the signed operation generates an overflow, cleared otherwise. H ⇒ A3.M3 + M3.R3 + R3.A3 Set if a carry occurred from bit 3 of the result, cleared otherwise. N ⇒ R7 Set if bit 7 of the result is set (negative value), cleared otherwise. Z ⇒ R7.R6.R5.R4.R3.R2.R1.R0 Set if the result is zero (0x00), cleared otherwise. C ⇒ A7.M7 + M7.R7 + R7.A7 Set if a carry occurred from bit 7 of the result, cleared otherwise. ADC Addition with Carry ADC mnem dst src Affected condition flags VI1 H I0 N Z C ADC A Mem V -H-N Z C |
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