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freebsd-dev/usr.bin/doscmd/doscmd.h
Thomas Gellekum 040395f4dd Rewrite video emulation. Features: 
- slightly more accurate VGA hardware emulation;
- more int 10 functions, especially wrt to palette handling;
- first shot at graphics support;
- mode switching.

Bugs:

- graphics too slow;
- only 16 color modes work for now;
- works only under X, and only with 16 bit TrueColor visuals;
- far from being genuinely useful (I can play an old EGA game now, though
  (mahjongg.exe)).

Also, the code has been cleaned up a bit (more to come in a separate commit).
2001-07-24 11:44:20 +00:00

293 lines
8.3 KiB
C
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/*
* Copyright (c) 1992, 1993, 1996
* Berkeley Software Design, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Berkeley Software
* Design, Inc.
*
* THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* BSDI doscmd.h,v 2.3 1996/04/08 19:32:32 bostic Exp
*
* $FreeBSD$
*/
#ifdef __NetBSD__
#define USE_VM86
#endif
#include <sys/param.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <dirent.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/signalvar.h>
#include <machine/sigframe.h>
#include <machine/frame.h>
#include <machine/psl.h>
#include <machine/npx.h>
#ifdef USE_VM86
#include <machine/vm86.h>
#endif
#include "register.h"
#include "dos.h"
#include "callback.h"
#define drlton(a) ((islower((a)) ? toupper((a)) : (a)) - 'A')
#define drntol(a) ((a) + 'A')
/*
** assorted hardware/scope constants
*/
#define MAX_AVAIL_SEG 0xa000
#define MAXPORT 0x400
#define N_PARALS_MAX 3
#define N_COMS_MAX 4 /* DOS restriction (sigh) */
struct vconnect_area {
int int_state;
int magic; /* 0x4242 -> PRB format */
u_long passthru[256>>5]; /* bitmap of INTs to handle */
u_long magiciret[2]; /* Bounds of "magic" IRET */
};
extern struct vconnect_area vconnect_area;
#define IntState vconnect_area.int_state
/* ParseBuffer.c */
extern int ParseBuffer(char *, char **, int);
/* bios.c */
#define BIOSDATA ((u_char *)0x400)
extern unsigned long rom_config;
extern int nfloppies;
extern int ndisks;
extern int nserial;
extern int nparallel;
extern volatile int poll_cnt;
extern void bios_init(void);
extern void wakeup_poll(void);
extern void reset_poll(void);
extern void sleep_poll(void);
/* cmos.c */
extern time_t delta_clock;
extern void cmos_init(void);
/* config.c */
extern int read_config(FILE *fp);
/* cpu.c */
extern void cpu_init(void);
extern int emu_instr(regcontext_t *);
/* debug.c */
extern int vflag;
extern int tmode;
extern FILE *debugf;
extern int debug_flags;
/* Lower 8 bits are int number */
#define D_ALWAYS 0x0000100 /* always emit this message */
#define D_TRAPS 0x0000200 /* trap-related activity */
#define D_FILE_OPS 0x0000400 /* file-related activity */
#define D_MEMORY 0x0000800 /* memory-related activity */
#define D_HALF 0x0001000 /* "half-implemented" system calls */
#define D_FLOAT 0x0002000 /* ??? */
#define D_DISK 0x0004000 /* disk (not file) operations */
#define D_TRAPS2 0x0008000
#define D_PORT 0x0010000 /* port accesses */
#define D_EXEC 0x0020000
#define D_ITRAPS 0x0040000
#define D_REDIR 0x0080000 /* redirector functions */
#define D_PRINTER 0x0100000
#define D_TRAPS3 0x0200000
#define D_DEBUGIN 0x0400000
#define D_DOSCALL 0x0800000 /* MS-DOS function results */
#define D_XMS 0x1000000 /* XMS calls */
#define D_EMS 0x2000000 /* EMS calls */
#define D_VIDEO 0x4000000 /* video-related activity */
#define TTYF_ECHO 0x00000001
#define TTYF_ECHONL 0x00000003
#define TTYF_CTRL 0x00000004
#define TTYF_BLOCK 0x00000008
#define TTYF_POLL 0x00000010
#define TTYF_REDIRECT 0x00010000 /* Cannot have 0xffff bits set */
#define TTYF_ALL (TTYF_ECHO | TTYF_CTRL | TTYF_REDIRECT)
#define TTYF_BLOCKALL (TTYF_ECHO | TTYF_CTRL | TTYF_REDIRECT | TTYF_BLOCK)
extern void unknown_int2(int, int, regcontext_t *REGS);
extern void unknown_int3(int, int, int, regcontext_t *REGS);
extern void unknown_int4(int, int, int, int, regcontext_t *REGS);
extern void fatal (char *fmt, ...);
extern void debug (int flags, char *fmt, ...);
extern void dump_regs(regcontext_t *REGS);
extern void debug_set(int x);
extern void debug_unset(int x);
extern u_long debug_isset(int x);
/* disktab.c */
extern int map_type(int, int *, int *, int *);
/* doscmd.c */
extern int squirrel_fd(int);
extern int capture_fd;
extern int dead;
extern int xmode;
extern int booting;
extern int raw_kbd;
extern int timer_disable;
extern char cmdname[];
extern struct timeval boot_time;
extern unsigned long *ivec;
extern int open_prog(char *name);
extern void done(regcontext_t *REGS, int val);
extern void quit(int);
extern void call_on_quit(void (*)(void *), void *);
extern void iomap_port(int port, int count);
/* ems.c */
extern int ems_init();
extern void ems_entry(regcontext_t *REGS);
extern u_long ems_frame_addr;
/* emuint.c */
extern void emuint(regcontext_t *REGS);
/* i386-pinsn.c */
extern int i386dis(unsigned short, unsigned short,
unsigned char *, char *, int);
/* int.c */
extern void softint(int intnum);
extern void hardint(int intnum);
extern void delay_interrupt(int intnum, void (*func)(int));
extern void resume_interrupt(void);
/* int10.c */
extern void int10(regcontext_t *);
/* int13.c */
extern int init_hdisk(int drive, int cyl, int head, int tracksize,
char *file, char *boot_sector);
extern int init_floppy(int drive, int type, char *file);
extern int disk_fd(int drive);
extern void make_readonly(int drive);
extern int search_floppy(int i);
extern void disk_bios_init(void);
/* int17.c */
extern void lpt_poll(void);
extern void printer_direct(int printer);
extern void printer_spool(int printer, char *print_queue);
extern void printer_timeout(int printer, char *time_out);
/* int2f.c */
extern void int2f(regcontext_t *);
/* intff.c */
extern int int2f_11(regcontext_t *REGS);
extern void intff(regcontext_t *REGS);
/* mem.c */
extern char *dosmem;
extern void mem_init(void);
extern int mem_alloc(int size, int owner, int *biggestp);
extern int mem_adjust(int addr, int size, int *availp);
extern void mem_free_owner(int owner);
extern void mem_change_owner(int addr, int owner);
/* mouse.c */
extern void mouse_init(void);
/* net.c */
extern void net_init(void);
/* port.c */
extern void define_input_port_handler(int, unsigned char (*)(int));
extern void define_output_port_handler(int, void (*)(int, unsigned char));
extern void inb(regcontext_t *, int);
extern void init_io_port_handlers(void);
extern void inx(regcontext_t *, int);
extern void outb(regcontext_t *, int);
extern void outx(regcontext_t *, int);
extern void speaker_init(void);
extern void outb_traceport(int, unsigned char);
extern unsigned char inb_traceport(int);
extern void outb_port(int, unsigned char);
extern unsigned char inb_port(int);
/* setver.c */
extern void setver(char *, short);
extern short getver(char *);
/* signal.c */
extern struct sigframe *saved_sigframe;
extern regcontext_t *saved_regcontext;
extern int saved_valid;
extern void setsignal(int s, void (*h)(struct sigframe *));
/* timer.c */
extern void timer_init(void);
/* trace.c */
extern int resettrace(regcontext_t *);
extern void tracetrap(regcontext_t *);
/* xms.c */
extern void get_raw_extmemory_info(regcontext_t *REGS);
extern int int2f_43(regcontext_t *REGS);
extern void initHMA(void);
extern void xms_init(void);
extern u_long xms_maxsize;
/****************************** dirty below here *****************************/
extern u_long pending[]; /* pending interrupts */
extern int n_pending;
extern int nmice;
void put_dosenv(char *value);
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