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BITT
Test Bit Specified by TREG
7-48
Cycles for a Single BITT Instruction
Program
Operand ROM DARAM SARAM External
DARAM 1 1 1 1+p
SARAM 1 1 1, 2
†
1+p
External 1+d 1+d 1+d 2+d+p
†
If the operand and the code are in the same SARAM block
Cycles for a Repeat (RPT) Execution of an BITT Instruction
Program
Operand ROM DARAM SARAM External
DARAM n n n n+p
SARAM n n n, n+1
†
n+p
External n+nd n+nd n+nd n+1+p+nd
†
If the operand and the code are in the same SARAM block
Example 1 BITT 00h ;(DP = 6) Test bit 14 of data
;at 300h
Before Instruction After Instruction
Data Memory Data Memory
300h 4DC8h 300h 4DC8h
TREG 1h TREG 1h
TC 0 TC 1
Example 2 BITT * ;Test bit 1 of data at 310h
Before Instruction After Instruction
ARP 1 ARP 1
AR1 310h AR1 310h
Data Memory Data Memory
310h 8000h 310h 8000h
TREG 0Eh TREG 0Eh
TC 0 TC 0
Cycles