PAGE addr |
|
| Description: | Transfer addr .11:addr .9 into PA2 : PA0 , will delay skipping |
| Operation: | page = addr >> 9 |
| Flags affected: | PA0..2 |
| Registers affected: | - |
| Sources referenced: | - |
| Cycles: | 1 |
| Opcode: | |
| Details: | SX Users Manual page # 112 # 34 |
| Microchip PIC syntax: | |
| Notes: | |
PAGE n - The three literal bits of "n" are loaded into the page-select bits PA2:PA0 in the STATUS register. This normally prepares a GOTO or CALL across a page boundary. PA2 is currently unused since 2K of instruction memory is only four pages.
Skipping a page instruction will also cause the instruction following the page instruction to be skipped. This is designed to handle long calls which must be coded as a page then a call. See Skip for more details.
See:
See also:
| file: /Techref/scenix/inst/page.htm, 2KB, , updated: 2007/9/24 13:26, local time: 2012/2/10 04:31,
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Ashley Roll has put together a really nice little unit here. Leave off the MAX232 and keep these handy for the few times you need true RS232! |
Robotics nuts!Check out http://users.frii.com/dlc/robotics/projects/botproj.htm from Dennis Clark. This guy ROCKS! He has made (and sells but also releases code, docs, etc...) for a number of cool little robotic modules including whiskers, IR proximity detect and remote control, Sonar proximity detect, PWM, Servo, compass. Most of these use the little PIC 12C508 controller which costs basically nothing and is soooo tiny.The 4 servos, 2400 baud serial servo controller is a wonder of magic and he sells the programmed chip for $8. Wow! |
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