|  | /* tty.c */ | 
|  | /* Copyright 1999 - Joseph Pranevich */ | 
|  |  | 
|  | /* This is the console driver for TTY-based consoles, i.e. consoles | 
|  | without cursor placement, etc. It's also a pretty decent starting | 
|  | point for other driers. | 
|  | */ | 
|  |  | 
|  | /* When creating new drivers, you need to assign all the functions that | 
|  | that driver supports into the driver struct. If it is a supplementary | 
|  | driver, it should make sure to perserve the old values. */ | 
|  |  | 
|  | #include "config.h" | 
|  |  | 
|  | #include <stdio.h> | 
|  |  | 
|  | #include "console.h" | 
|  | #include "windef.h" | 
|  | void TTY_Start() | 
|  | { | 
|  | /* This should be the root driver so we can ignore anything | 
|  | already in the struct. */ | 
|  |  | 
|  | driver.norefresh = FALSE; | 
|  |  | 
|  | driver.write = TTY_Write; | 
|  | driver.getKeystroke = TTY_GetKeystroke; | 
|  | } | 
|  |  | 
|  | void TTY_Write(char output, int fg, int bg, int attribute) | 
|  | { | 
|  | /* We can discard all extended information. */ | 
|  | fprintf(driver.console_out, "%c", output); | 
|  | } | 
|  |  | 
|  | void TTY_GetKeystroke(char *scan, char *ch) | 
|  | { | 
|  | /* All we have are character input things, nothing for extended */ | 
|  | /* This is just the TTY driver, after all. We'll cope. */ | 
|  | *ch = fgetc(driver.console_in); | 
|  | } | 
|  |  | 
|  |  |