registers.h File Reference

ROM Interface: RCX registers cached by ROM functions. More...

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Variables

unsigned char rom_port1_ddr
 ROM shadow of port 1 DDR.
unsigned char rom_port2_ddr
 ROM shadow of port 2 DDR.
unsigned char rom_port3_ddr
 ROM shadow of port 3 DDR.
unsigned char rom_port4_ddr
 ROM shadow of port 4 DDR.
unsigned char rom_port5_ddr
 ROM shadow of port 5 DDR.
unsigned char rom_port6_ddr
 ROM shadow of port 6 DDR.
unsigned char rom_port7_pin
 ROM shadow of port 7 pin.


Detailed Description

ROM Interface: RCX registers cached by ROM functions.

Author:
Markus L. Noga <markus@noga.de>

Definition in file registers.h.


Variable Documentation

unsigned char rom_port1_ddr

ROM shadow of port 1 DDR.

unsigned char rom_port2_ddr

ROM shadow of port 2 DDR.

unsigned char rom_port3_ddr

ROM shadow of port 3 DDR.

unsigned char rom_port4_ddr

ROM shadow of port 4 DDR.

unsigned char rom_port5_ddr

ROM shadow of port 5 DDR.

unsigned char rom_port6_ddr

ROM shadow of port 6 DDR.

Port 6 is connected to both LCD and active sensor output. As lcd_refresh() is a ROM call, we need to update this location if active sensors are to remain active after a LCD refresh.

Referenced by i2c_read_ack(), and lcd_init().

unsigned char rom_port7_pin

ROM shadow of port 7 pin.


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Original code copyright 1998-2005 by the authors.

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