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| COP880C Datasheet, PDF (19/31 Pages) National Semiconductor (TI) – Microcontrollers | |||
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Instruction Set (Continued)
Instruction Set (Continued)
SWAPA
SC
RC
IFC
IFNC
JMPL
JMP
JP
JSRL
JSR
JID
RET
RETSK
RETI
INTR
NOP
Swap nibbles of A
Set C
Reset C
If C
If not C
Jump absolute long
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
A7 ⦠A4 â A3 ⦠A0
C â 1, HC â 1
C â 0, HC â 0
If C is true, do next instruction
If C is not true, do next instruction
PC â ii (ii = 15 bits, 0 to 32k)
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
19
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