HT68F14 HOLTEK [Holtek Semiconductor Inc], HT68F14 Datasheet - Page 133

• Manufacturer Part Number: HT68F14
• Description: Enhanced I/O Flash Type MCU
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

SBC A,[m]
Description
Operation
Affected flag(s)
SBCM A,[m]
Description
Operation
Affected flag(s)
SDZ [m]
Description
Operation
Affected flag(s)
SDZA [m]
Description
Operation
Affected flag(s)
SET [m]
Description
Operation
Affected flag(s)
SET [m].i
Description
Operation
Affected flag(s)
Rev. 1.10
Subtract Data Memory from ACC with Carry
The contents of the specified Data Memory and the complement of the carry flag are
subtracted from the Accumulator. The result is stored in the Accumulator. Note that if
the result of subtraction is negative, the C flag will be cleared to 0, otherwise if the result
is positive or zero, the C flag will be set to 1.
ACC
OV, Z, AC, C
Subtract Data Memory from ACC with Carry and result in Data Memory
The contents of the specified Data Memory and the complement of the carry flag are
subtracted from the Accumulator. The result is stored in the Data Memory. Note that if
the result of subtraction is negative, the C flag will be cleared to 0, otherwise if the result
is positive or zero, the C flag will be set to 1.
[m]
OV, Z, AC, C
Skip if decrement Data Memory is 0
The contents of the specified Data Memory are first decremented by 1. If the result is 0
the following instruction is skipped. As this requires the insertion of a dummy instruc-
tion while the next instruction is fetched, it is a two cycle instruction. If the result is not 0
the program proceeds with the following instruction.
[m]
Skip if [m] = 0
None
Skip if decrement Data Memory is zero with result in ACC
The contents of the specified Data Memory are first decremented by 1. If the result is 0,
the following instruction is skipped. The result is stored in the Accumulator but the spec-
ified Data Memory contents remain unchanged. As this requires the insertion of a
dummy instruction while the next instruction is fetched, it is a two cycle instruction. If
the result is not 0, the program proceeds with the following instruction.
ACC
Skip if ACC = 0
None
Set Data Memory
Each bit of the specified Data Memory is set to 1.
[m]
None
Set bit of Data Memory
Bit i of the specified Data Memory is set to 1.
[m].i
None
ACC [m] C
[m] 1
FFH
1
ACC [m] C
[m] 1
133
Enhanced I/O Flash Type MCU
HT68F13/HT68F14/HT68F15
February 9, 2011