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IP2022 Data Sheet
swap fr
fr = fr3:0 || fr7:4
Swap high,low nibbles of fr into fr
1
0011 101f ffff ffff
None
swap w,fr
W = fr3:0 || fr7:4
Swap high,low nibbles of fr into
W
1
0011 100f ffff ffff
None
test fr
if fr = 0 then Z = 1
else Z = 0
Test fr for zero and update Z
1
0010 001f ffff ffff
Z
Table 4-3 Arithmetic and Shift Instructions (continued)
Assembler
Syntax
Pseudocode
Definition
Description
Cycles
Opcode
Flags
Affected
Table 4-4 Bit Operation Instructions
Assembler
Syntax
Pseudocode
Definition
Description
Cycles
Opcode
Flags
Affected
clrb fr,bit
fr,bit = 0
Clear bit in fr
1
1000 bbbf ffff ffff
None
sb fr,bit
if fr,bit = 1 then skip
Test bit in fr then skip if set
1 or
2 (skip)
1011 bbbf ffff ffff
None
setb fr,bit
fr,bit = 1
Set bit in fr
1
1001 bbbf ffff ffff
None
snb fr,bit
if fr,bit = 0 then skip
Test bit in fr then skip if clear
1 or
2 (skip)
1010 bbbf ffff ffff
None
Table 4-5 Data Movement Instructions
Assembler
Syntax
Pseudocode
Definition
Description
Cycles
Opcode
Flags
Affected
mov fr,w
fr = W
Move W into fr
1
0000 001f ffff ffff
None
mov w,fr
W = fr
Move fr into W
1
0010 000f ffff ffff
Z
mov w,#lit8
W = lit8
Move literal into W
1
0111 1100 kkkk kkkk
None
push fr
(SP) = fr, then
SP = SP - 1
Move fr onto top of stack
1
0100 010f ffff ffff
None
push #lit8
(SP) = lit8, then
SP = SP - 1
Move literal onto top of stack
1
0111 0100 kkkk kkkk
None
pop fr
fr = (SP + 1), then
SP = SP + 1
Move top of stack + 1 into fr
1
0100 011f ffff ffff
None