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Syntax: |
Operation: |
Operands: |
Program Counter: |
Opcode |
Comment |
Stack |
|
BCLR s |
SREG(s) = 0 |
0 <= s <= 7 |
PC = PC + 1 |
100101001sss1000 |
Clears a single flag in SREG.
|
I |
⇔ |
If (s == 7) then I = 0, else unchanged. |
|
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T |
⇔ |
If (s == 6) then T = 0, else unchanged. |
|
|
H |
⇔ |
If (s == 5) then H = 0, else unchanged. |
|
|
S |
⇔ |
If (s == 4) then S = 0, else unchanged. |
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|
V |
⇔ |
If (s == 3) then V = 0, else unchanged. |
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N |
⇔ |
If (s == 2) then N = 0, else unchanged. |
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|
Z |
⇔ |
If (s == 1) then Z = 0, else unchanged. |
|
|
C |
⇔ |
If (s == 0) then C = 0, else unchanged. |
bclr 0 ; Clear Carry flag
bclr 7 ; Disable interrupts
1 (2 bytes)
|
Name |
Cycles |
|
AVRe |
1 |
|
AVRxm |
1 |
|
AVRxt |
1 |
|
AVRrc |
1 |