122-32000 Parallax Inc, 122-32000 Datasheet - Page 389

• Manufacturer Part Number: 122-32000
• Description: MANUAL PROPELLER
• Manufacturer: Parallax Inc

Specifications of 122-32000

• Accessory Type: Manual
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: Propeller Education (PE) Kit
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

NEGZ
Instruction: Get a value, or its additive inverse, based on Z.
NEGZ
Result: Value or –Value is stored in RValue.
Explanation
NEGZ
If the
the C flag is set (1) if Value is negative or cleared (0) if Value is positive. The result is
written to RValue unless the
NOP
Instruction: No operation, just elapse four clock cycles.
NOP
Explanation
NOP
zeros, the
instruction.
–INSTR– ZCRI –CON–
–INSTR– ZCRI –CON–
101110 001i 1111 ddddddddd sssssssss
------ ---- 0000 --------- ---------
•
•
performs no operation but consumes 4 clock cycles.
stores Value (if Z = 0) or –Value (if Z = 1) into RValue.
WZ
RValue, 〈#〉 Value
RValue
Value
value (if Z = 1) will be written to RValue.
effect is specified, the Z flag is set (1) if Value is zero. If the
NEVER
(s-field) is a register or a 9-bit literal whose value (if Z = 0) or additive inverse
(d-field) is the register in which to write Value or –Value.
condition; effectively, every instruction with a
–DEST–
–DEST–
NR
5: Assembly Language Reference –
effect is specified.
–SRC–
–SRC–
Result = 0
Z Result
Z Result
---
NOP
Propeller Manual v1.0 · Page 389
C Result
C Result
has its
S[31]
---
NEVER
WC
–CON–
condition is a
effect is specified,
Result
Written
Result
field set to all
---
,
Clocks
Clocks
4
4
NOP