122-32000 Parallax Inc, 122-32000 Datasheet - Page 349

• 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

Since every instruction can include these three optional fields (Label, Condition, and Effects),
for simplicity those common fields are intentionally left out of the instruction’s syntax
description.
So, when you read a syntax description such as this:
WAITCNT
...remember that the true syntax is this:
〈
This rule applies only to Propeller Assembly instructions; it does not apply to Propeller
Assembly directives.
Many syntax definitions end with a table similar to the one below. This table lists the
instruction’s 32-bit opcode, outputs and number of clock cycles. The opcode consists of the
instruction bits (
indirect/immediate status (
and source bits (
Z Result
the instruction’s default behavior for writing or not writing the instruction’s result value. The
Clocks
Propeller Assembly Instruction Master Table
A master table for all Propeller Assembly instructions is provided on the next two pages. In
this table, D and S refer to the instructions’ destination and source fields, also known as
d-field and s-field, respectively. For entries with asterisks in the Clocks column, be sure to
read the Notes for Master Table on page 352.
Label
–INSTR– ZCRI –CON–
000011 0001 1111 ddddddddd ------000
〉 〈
field shows the number of clocks the instruction requires for execution.
and
0 1
i
d s
?
---
..
Condition
Target,
C Result
–DEST-
〉 WAITCNT
〈
#
–INSTR–
fields; indicating the meaning of a 1 in those flags. The
〉
Delta
–DEST–
and
Zeros (0) and ones (1) mean binary 0 and 1.
Lower case “i” denotes a bit that is affected by immediate status.
Lower case “d” and “s” indicate destination and source bits.
Question marks denote bits that are dynamically set by the compiler.
Hyphens indicate items that are not applicable or not important.
Double-periods represent a range of contiguous values.
), the “effect” status for the Z flag, C flag, result and
ZCRI
–SRC–
Target,
), the conditional execution bits (
). The meaning of the Z and C flags, if any, is shown in the
–SRC–
〈
#
〉
Delta
〈
Effects
Z Result
---
〉
Propeller Manual v1.0 · Page 349
C Result
–CON–
---
), and the destination
Not Written
Result
Result
field shows
Clocks
7..22