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mem.h File Reference

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Detailed Description

.h file to the mem.c

Definition in file mem.h.#include "dlluser.h"

Go to the source code of this file.

Defines
#define	TRUE   1
#define	FALSE   0
#define	MEMSIZE   65536
	Size of memory.
#define	PAGESIZE   8
	No. of bits of pagesize. Should correspond with MEMSIZE and PAGECOUNT.
#define	PAGECOUNT   256
	No. of pages. Should correspond with MEMSIZE and PAGECOUNT.
#define	IOLO   0xD000
	Lower boundary of memory serving for device maping.
#define	IOHI   0xD7FF
	Higher boundary of memory serving for device maping.
Typedefs
typedef unsigned int	UINT
Functions
unsigned char	memgetb (UINT adr)
	memory reading function
void	memsetb (UINT adr, unsigned char byte)
	memory writing function
void	SetMemory (char *buf)
	Fills memory with given data.
void	InitMem ()
	Zeroes memio and initializes CSMemory.
void	SetIOFunc (pIOFunc piof, UINT loadr, UINT hiadr)
	Binds given io function to range of adresses.
Variables
unsigned char	memory []
	Variable containing accessible memory +4 as pillow.
CRITICAL_SECTION	CSMemory
	A synchronization primitive used for shared acces to memory.
pIOFunc	memio [IOHI-IOLO+1]
	IO part of memory.

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Define Documentation

#define IOHI   0xD7FF

Higher boundary of memory serving for device maping. Definition at line 26 of file mem.h.

#define IOLO   0xD000

Lower boundary of memory serving for device maping. Definition at line 24 of file mem.h.

#define MEMSIZE   65536

Size of memory. Definition at line 17 of file mem.h.

#define PAGECOUNT   256

No. of pages. Should correspond with MEMSIZE and PAGECOUNT. Definition at line 21 of file mem.h.

#define PAGESIZE   8

No. of bits of pagesize. Should correspond with MEMSIZE and PAGECOUNT. Definition at line 19 of file mem.h.

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Function Documentation

void InitMem (    )

Zeroes memio and initializes CSMemory. Definition at line 97 of file mem.c.

unsigned char memgetb (  UINT    adr )

memory reading function Calls iofunc when neccesary See also: memsetb Definition at line 32 of file mem.c.

void memsetb (  UINT    adr, unsigned char    byte )

memory writing function Calls iofunc when neccesary See also: memgetb Definition at line 73 of file mem.c.

void SetIOFunc (  pIOFunc    piof, UINT    loadr, UINT    hiadr )

Binds given io function to range of adresses. Parameters: piof  An io function which should service reading and writing to these adresses loadr  Lower end of the range demanded hiadr  Higher end of the range demanded Definition at line 109 of file mem.c.

void SetMemory (  char *    buf )

Fills memory with given data. Definition at line 117 of file mem.c.

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Variable Documentation

CRITICAL_SECTION CSMemory

A synchronization primitive used for shared acces to memory. Definition at line 32 of file mem.h.

pIOFunc memio[IOHI - IOLO + 1]

IO part of memory. Containins pointers to io functions of devices mapped into the io part of memory. See also: iofunc Definition at line 41 of file mem.h.

unsigned char memory[]

Variable containing accessible memory +4 as pillow. Definition at line 29 of file mem.h.

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