13.0 Instruction Set (Continued) JSRL Addr. Jump SubRoutine Long [SP]←PL, [SP1]←PU,SP2, PC←ii JSR Addr. " />
參數(shù)資料
型號(hào): COP8-PGMA-44QFP
廠商: National Semiconductor
文件頁數(shù): 41/62頁
文件大?。?/td> 0K
描述: PROGRAMMING ADAPTER
標(biāo)準(zhǔn)包裝: 1
附件類型: 編程適配器
適用于相關(guān)產(chǎn)品: Cop 8
13.0 Instruction Set (Continued)
JSRL
Addr.
Jump SubRoutine Long
[SP]←PL, [SP1]←PU,SP2, PC←ii
JSR
Addr.
Jump SubRoutine
[SP]←PL, [SP1]←PU,SP2, PC9…0←i
JID
Jump InDirect
PL←ROM (PU,A)
RET
RETurn from subroutine
SP + 2, PL←[SP], PU←[SP1]
RETSK
RETurn and SKip
SP + 2, PL←[SP],PU←[SP1],
skip next instruction
RETI
RETurn from Interrupt
SP + 2, PL ←[SP],PU←[SP1],GIE←1
INTR
Generate an Interrupt
[SP]←PL, [SP1]←PU, SP2, PC←0FF
NOP
No OPeration
PC←PC+1
13.7 INSTRUCTION EXECUTION TIME
Most instructions are single byte (with immediate addressing
mode instructions taking two bytes).
Most single byte instructions take one cycle time to execute.
Skipped instructions require x number of cycles to be
skipped, where x equals the number of bytes in the skipped
instruction opcode.
See the BYTES and CYCLES per INSTRUCTION table for
details.
Bytes and Cycles per Instruction
The following table shows the number of bytes and cycles for
each instruction in the format of byte/cycle.
Arithmetic and Logic Instructions
[B]
Direct
Immed.
ADD
1/1
3/4
2/2
ADC
1/1
3/4
2/2
SUBC
1/1
3/4
2/2
AND
1/1
3/4
2/2
OR
1/1
3/4
2/2
XOR
1/1
3/4
2/2
IFEQ
1/1
3/4
2/2
IFGT
1/1
3/4
2/2
IFBNE
1/1
DRSZ
1/3
SBIT
1/1
3/4
RBIT
1/1
3/4
IFBIT
1/1
3/4
RPND
1/1
Instructions Using A & C
CLRA
1/1
INCA
1/1
DECA
1/1
LAID
1/3
DCORA
1/1
RRCA
1/1
RLCA
1/1
SWAPA
1/1
SC
1/1
RC
1/1
IFC
1/1
IFNC
1/1
PUSHA
1/3
POPA
1/3
ANDSZ
2/2
Transfer of Control Instructions
JMPL
3/4
JMP
2/3
JP
1/3
JSRL
3/5
JSR
2/5
JID
1/3
VIS
1/5
RET
1/5
RETSK
1/5
RETI
1/5
INTR
1/7
NOP
1/1
COP8SA
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