pic.c File Reference

#include <sys/types.h>
#include <sys/io.h>
#include <stdio.h>
#include <assert.h>
#include <stdarg.h>
#include <pic.h>

Include dependency graph for pic.c:

Go to the source code of this file.

Macros
#define	CLOCK   1193180

Enumerations
enum	port_t {   PIC_FIRST_COMMAND = 0x20, PIC_FIRST_INTERRUPT_MASK = 0x21, PIC_SECOND_COMMAND = 0xA0, PIC_SECOND_INTERRUPT_MASK = 0xA1,   TIMER_COUNTER_DIVISOR = 0x40, TIMER_MODE_CONTROL = 0x43, CG_6845_INDEX = 0x3D4, CG_6845_DATA = 0x3D5,   CG_6845_MODE_CONTROL = 0x3D8, CG_6845_COLOR_SELECT_PALETTE = 0x3D9, CG_6845_STATUS = 0x3DA, CG_6845_CLEAR_LIGHT_PEN_LATCH = 0x3DB,   CG_6845_PRESET_LIGHT_PEN_LATCH = 0x3DC, CG_6845_CRT_CPU_PAGE = 0x3DF }
	Port address. More...

Functions
void	pic_init (void)
	PIC 초기화 More...
void	timer_init (unsigned long frequency)
	타이머 초기화 More...

Macro Definition Documentation

#define CLOCK   1193180

Definition at line 9 of file pic.c.

Referenced by timer_init().

Enumeration Type Documentation

enum port_t

Port address.

Enumerator
PIC_FIRST_COMMAND	PIC.
PIC_FIRST_INTERRUPT_MASK
PIC_SECOND_COMMAND
PIC_SECOND_INTERRUPT_MASK
TIMER_COUNTER_DIVISOR	System timer.
TIMER_MODE_CONTROL
CG_6845_INDEX	Color Graphic Monitor 6845.
CG_6845_DATA
CG_6845_MODE_CONTROL	CGA, EGA, VGA.
CG_6845_COLOR_SELECT_PALETTE	CGA, EGA, VGA.
CG_6845_STATUS	read only
CG_6845_CLEAR_LIGHT_PEN_LATCH	Any write.
CG_6845_PRESET_LIGHT_PEN_LATCH
CG_6845_CRT_CPU_PAGE	PCjr only.

Definition at line 12 of file pic.c.