122-32000 Parallax Inc, 122-32000 Datasheet - Page 414
122-32000
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
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WAITVID
Instruction: Pause a cog’s execution until its Video Generator is available to take pixel data.
WAITVID
Explanation
WAITVID
WAITPNE
instruction pauses the cog until its Video Generator hardware is ready for the next pixel data,
then the Video Generator accepts that data (Colors and Pixels) and the cog continues
execution with the next instruction. The
WAITVID
If the
Make sure the cog’s Video Generator module is running before executing a
otherwise the
WRBYTE
Instruction: Write a byte to main memory.
WRBYTE
Page 414 · Propeller Manual v1.0
–INSTR– ZCRI –CON–
111111 000i 1111 ddddddddd sssssssss
•
•
•
•
WZ
, “Wait for Video Generator,” is one of four wait instructions (
, and
Colors
four possible colors of the pixel patterns in Pixels.
Pixels
(or 32-pixel by 1-bit) pixel pattern to display.
Value
Address
address to write to.
command; see
effect is specified, the Z flag will be set (1) if the Colors and Pixels are equal.
Value,
Colors,
WAITVID
(d-field) is the register containing the 8-bit value to write to main memory.
WAITVID
(s-field) is the register or a 9-bit literal whose value is the next 16-pixel by 2-bit
,
(d-field) is the register with four byte-sized color values, each describing the
〈
#
(s-field) is a register or a 9-bit literal whose value is the main memory
〉
〈
#
Address
〉
) used to pause execution of a cog until a condition is met. The
Pixels
instruction will wait forever.
–DEST–
WAITVID
– Assembly Language Reference
on page 329.
–SRC–
WAITVID
Result = 0
Z Result
instruction behaves similar to Spin’s
C Result
---
WAITCNT
Not Written
Result
,
WAITPEQ
WAITVID
WAITVID
Clocks
5+
,
,
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