參數(shù)資料
型號: MC68HC11A8VCFU2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: HCMOS Single-Chip Microcontroller
中文描述: 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQFP64
封裝: QFP-64
文件頁數(shù): 110/158頁
文件大小: 776K
代理商: MC68HC11A8VCFU2
MOTOROLA
10-12
CPU, ADDRESSING MODES, AND INSTRUCTION SET
MC68HC11A8
TECHNICAL DATA
10
Figure 10-2 Special Operations
SP
STACK
CCR
ACCB
ACCA
IX
H
IX
L
IY
H
IY
L
RTN
H
RTN
L
SP+1
SP+2
SP+3
SP+4
SP+5
SP+6
SP+7
SP+8
3
SP+9
7
0
PC
MAIN PROGRAM
$9D = JSR
dd
NEXT MAIN INSTR.
JSR, JUMP TO SUBROUTINE
RTN
DIRECT
PC
MAIN PROGRAM
$AD = JSR
ff
NEXT MAIN INSTR.
RTN
INDEXED, X
PC
MAIN PROGRAM
$18 = PRE
$AD = JSR
ff
NEXT MAIN INSTR.
RTN
INDEXED, Y
PC
MAIN PROGRAM
$BD = PRE
hh
ll
NEXT MAIN INSTR.
RTN
INDEXED, Y
JMP, JUMP
PC
MAIN PROGRAM
$6E = JMP
ff
NEXT MAIN INSTR.
X + ff
INDEXED, X
INDEXED, Y
EXTENDED
PC
MAIN PROGRAM
$18 = PRE
$6E = JMP
ff
NEXT MAIN INSTR.
X + ff
PC
MAIN PROGRAM
$7E = JMP
hh
ll
NEXT MAIN INSTR.
hh ll
SP
STACK
CCR
ACCB
ACCA
IX
H
IX
L
IY
H
IY
L
RTN
H
RTN
L
SP+1
SP+2
SP+3
SP+4
SP+5
SP+6
SP+7
SP+8
3
SP+9
7
0
PC
INTERRUPT ROUTINE
$3E = WAI
3
SP–9
SP–8
SP–7
SP–6
SP–5
SP–4
SP–3
SP–2
SP–1
STACK
CCR
ACCB
ACCA
IX
H
IX
L
IY
H
IY
L
RTN
H
RTN
L
SP
7
0
PC
MAIN PROGRAM
$3F = SWI
PC
MAIN PROGRAM
$3E = WAI
SWI, SOFTWARE INTERRUPT
WAI, WAIT FOR INTERRUPT
WAI, WAIT FOR INTERRUPT
3
SP–2
SP–1
STACK
RTN
H
RTN
L
SP
7
0
PC
MAIN PROGRAM
$8D = BSR
PC
MAIN PROGRAM
$39 = RTS
BSR, BRANCH TO SUBROUTINE
RTS, RETURN FROM
SUBROUTINE
SP
STACK
RTN
H
RTN
L
SP+1
3
SP+2
7
0
LEGEND:
RTN = ADDRESS OF NEXT INSTRUCTION IN MAIN PROGRAM TO
BE EXECUTED UPON RETURN FROM SUBROUTINE
RTN
H
= MOST SIGNIFICANT BYTE OF RETURN ADDRESS
RTN
L
= LEAST SIGNIFICANT BYTE OF RETURN ADDRESS
3
= STACK POINTER POSITION AFTER OPERATION IS COMPLETE
dd = 8-BIT DIRECT ADDRESS ($0000–$00FF) (HIGH BYTE ASSUMED
TO BE $00)
ff = 8-BIT POSITIVE OFFSET $00 (0) TO $FF (256) IS ADDED TO INDEX
hh = HIGH-ORDER BYTE OF 16-BIT EXTENDED ADDRESS
ll = LOW-ORDER BYTE OF 16-BIT EXTENDED ADDRESS
rr= SIGNED RELATIVE OFFSET $80 (–128) TO $7F (+127) (OFFSET
RELATIVE TO THE ADDRESS FOLLOWING THE MACHINE CODE
OFFSET BYTE)
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