mpc235 Megawin Technology, mpc235 Datasheet - Page 45

• Manufacturer Part Number: mpc235
• Description: Low-speed Usb Micro-controller
• Manufacturer: Megawin Technology

Note:
Mnemonic
MEGAWIN
CLC
CLI
CLD
CLV
RMB0
…
RMB7
SEC
SEI
SED
SMB0
…
SMB7
INC
INC
INX
INY
DEC
DEC
DEX
DEY
*
!
Add one clock period of page boundary is crossed.
If the assembler does not support this instruction, please use DB to implement it. The OP code of RMB0 ~ RMB7 is 07
!
!
~ 77, and the SMB0 ~ SMB7 is 87 ~ F7.
Operand(s)
addr
addr
addr
addr
A
addr
addr
addr
addr
A
addr
addr
addr
addr
8
8
8
8
8
8
16
16
8
8
16
16
, X
, X
, X
, X
MPC235 Technical Summary
Operation description
(C) ← 0
(I) ← 0
(D) ← 0
(V) ← 0
(addr
(addr
(C) ← 1
(I) ← 1
(D) ← 1
(addr
(addr
(ACC) ← (ACC) + 1
(addr
[addr
(addr
[addr
(X) ← (X) + 1
(Y) ← (Y) + 1
(ACC) ← (ACC) – 1
(addr
[addr
(addr
[addr
(X) ← (X) – 1
(Y) ← (Y) – 1
8
16
8
16
8.0
8.7
8.0
8.7
8
16
8
16
) ← (addr
) ← (addr
+ (X)] ← [addr
+ (X)] ← [addr
) ← (addr
) ← (addr
+ (X)] ← [addr
+ (X)] ← [addr
) ← 0
) ← 0
) ← 1
) ← 1
8
8
) + 1
16
) – 1
16
) + 1
) – 1
8
8
16
16
+ (X)] + 1
+ (X)] – 1
+ (X)] + 1
+ (X)] – 1
Flag
C, Z
Z, S
Z, S
Z, S
Z, S
Z, S
Z, S
C, Z
Z, S
Z, S
Z, S
Z, S
Z, S
Z, S
C
D
C
D
V
Z
Z
Z
Z
I
I
Byte Cycle
1
1
1
1
2
2
1
1
1
2
2
1
2
2
3
3
1
1
1
2
2
3
3
1
1
45
6
6
2
2
2
2
5
5
2
2
2
5
5
2
5
6
6
2
2
2
5
6
6
2
2
*
*