COP820CJ Datasheet, PDF(26/35 Page) National Semiconductor (TI) – 8-Bit CMOS ROM Based Microcontrollers with 1k or 2k Memory, Comparator and Brown Out Detector

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COP820CJ Datasheet, PDF (26/35 Pages) National Semiconductor (TI) – 8-Bit CMOS ROM Based Microcontrollers with 1k or 2k Memory, Comparator and Brown Out Detector

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Instruction Set (Continued)

INSTRUCTION SET (Continued)

JMP

JSRL

JSR

JID

RET

RETSK

RETI

INTR

NOP

Jump absolute

Jump relative short

Jump subroutine long

Jump subroutine

Jump indirect

Return from subroutine

Return and Skip

Return from Interrupt

Generate an interrupt

No operation

PC11..0 â i (i = 12 bits)

PC â PC + r (r is â31 to +32, not 1)

[SP] â PL,[SP-1] â PU,SP-2,PC â ii

[SP] â PL,[SP-1] â PU,SP-2,PC11.. 0 â i

PL â ROM(PU,A)

SP+2,PL â [SP],PU â [SP-1]

SP+2,PL â [SP],PU â [SP-1],Skip next instruction

SP+2,PL â [SP],PU â [SP-1],GIE â 1

[SP] â PL,[SPâ1] â PU,SP-2,PC â 0FF

PC â PC + 1

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