參數(shù)資料
型號(hào)： EC000UM
英文描述： EC000 Core User＇s Manual (SCM68000)
中文描述： EC000核心用戶手冊（SCM68000）
文件頁數(shù)： 68/145頁
文件大小： 829K
代理商： EC000UM
Overview
1-16
EC000 CORE PROCESSOR USER’S MANUAL
MOTOROLA
ORI
Immediate Data V Destination
→ Destination
ORI # <data>,<ea>
ORI to CCR
Source V CCR
→ CCR
ORI # <data>,CCR
ORI to SR
If supervisor state
then Source V SR
→ SR
else TRAP to Privilege Violation Trap
ORI # <data>,SR
PEA
Sp – 4
→ SP; <ea> → (SP)
PEA <ea>
RESET
If supervisor state
then Assert RESETOB Line
else TRAP to Privilege Violation Trap
RESET
ROL, ROR
Destination Rotated by <count>
→ Destination
ROd Dx,Dy
ROd # <data>,Dy
ROd
ROXL,
ROXR
Destination Rotated with X by <count>
→ Destination
ROXd Dx,Dy
ROXd # <data>,Dy
ROXd
RTE
If supervisor state
then (SP)
→ SR; SP + 2 → SP; (SP) → PC;
SP + 4
→ SP;
restore state and deallocate stack according to (SP)
else TRAP to Privilege Violation Trap
RTE
RTR
(SP)
→ CCR; SP + 2 → SP;
(SP)
→ PC; SP + 4 → SP
RTR
RTS
(SP)
→ PC; SP + 4 → SP
RTS
SBCD
Destination10 – Source10 – X → Destination
SBCD Dx,Dy
SBCD –(Ax),–(Ay)
Scc
If condition true
then 1s
→ Destination
else 0s
→ Destination
Scc <ea>
STOP
If supervisor state
then Immediate Data
→ SR; STOP
else TRAP to Privilege Violation Trap
STOP # <data>
SUB
Destination – Source
→ Destination
SUB <ea>,Dn
SUB Dn,<ea>
SUBA
Destination – Source
→ Destination
SUBA <ea>,An
SUBI
Destination – Immediate Data
→ Destination
SUBI # <data>,<ea>
SUBQ
Destination – Immediate Data
→ Destination
SUBQ # <data>,<ea>
SUBX
Destination – Source – X
→ Destination
SUBX Dx,Dy
SUBX –(Ax),–(Ay)
SWAP
Register [31:16]
Register [15:0]
SWAP Dn
TAS
Destination Tested
→ Condition Codes; 1 → bit 7 of
Destination
TAS <ea>
TRAP
1
→ S-bit of SR;
SSP – 4
→ SSP; PC → (SSP); SSP – 2 → SSP;
SR
→ (SSP); Vector Address → PC
TRAP # <vector>
TRAPV
If V then TRAP to TRAPV Instruciton Vector
TRAPV
TST
Destination Tested
→ Condition Codes
TST <ea>
UNLK
An
→ SP; (SP) → An; SP + 4 → SP
UNLK An
NOTE: d is direction, L or R.
Table 1-3. Instruction Set Summary (Continued)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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