--- /dev/null
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include "audio.h"
+#include "midasdll.h"
+
+#define SET_MUS_VOL(vol) \
+ do { \
+ int mv = (vol) * vol_master >> 10; \
+ MIDASsetMusicVolume(modplay, mv ? mv + 1 : 0); \
+ } while(0)
+
+extern int force_snd_config;
+
+static MIDASmodulePlayHandle modplay;
+static struct au_module *curmod;
+
+static int vol_master, vol_mus, vol_sfx;
+
+int au_init(void)
+{
+ modplay = 0;
+ curmod = 0;
+ vol_master = vol_mus = vol_sfx = 255;
+
+ MIDASstartup();
+
+ if(force_snd_config || (!MIDASloadConfig("sound.cfg") && !MIDASdetectSoundCard())) {
+ if(MIDASconfig()) {
+ if(!MIDASsaveConfig("sound.cfg")) {
+ fprintf(stderr, "failed to save sound card configuration\n");
+ }
+ }
+ }
+
+ MIDASinit();
+
+ MIDASstartBackgroundPlay(0);
+ return 0;
+}
+
+void au_shutdown(void)
+{
+ if(curmod) {
+ au_stop_module(curmod);
+ }
+ MIDASstopBackgroundPlay();
+ MIDASclose();
+}
+
+struct au_module *au_load_module(const char *fname)
+{
+ static MIDASmoduleInfo info;
+ struct au_module *mod;
+ char *name, *end;
+
+ if(!(mod = malloc(sizeof *mod))) {
+ fprintf(stderr, "au_load_module: failed to allocate module\n");
+ return 0;
+ }
+
+ if(!(mod->impl = MIDASloadModule((char*)fname))) {
+ fprintf(stderr, "au_load_module: failed to load module: %s\n", fname);
+ free(mod);
+ return 0;
+ }
+
+ name = 0;
+ if(MIDASgetModuleInfo(mod->impl, &info)) {
+ name = info.songName;
+ end = name + strlen(name) - 1;
+ while(end >= name && isspace(*end)) {
+ *end-- = 0;
+ }
+ if(!*name) name = 0;
+ }
+
+ if(!name) {
+ /* fallback to using the filename */
+ if((name = strrchr(fname, '/')) || (name = strrchr(fname, '\\'))) {
+ name++;
+ } else {
+ name = (char*)fname;
+ }
+ }
+
+ if(!(mod->name = malloc(strlen(name) + 1))) {
+ fprintf(stderr, "au_load_module: mod->name malloc failed\n");
+ MIDASfreeModule(mod->impl);
+ return 0;
+ }
+ strcpy(mod->name, name);
+
+ printf("loaded module \"%s\" (%s)\n", name, fname);
+ return mod;
+}
+
+void au_free_module(struct au_module *mod)
+{
+ if(!mod) return;
+
+ if(mod == curmod) {
+ au_stop_module(curmod);
+ }
+ MIDASfreeModule(mod->impl);
+ free(mod->name);
+ free(mod);
+}
+
+int au_play_module(struct au_module *mod)
+{
+ if(curmod) {
+ if(curmod == mod) return 0;
+ au_stop_module(curmod);
+ }
+
+ if(!(modplay = MIDASplayModule(mod->impl, 1))) {
+ fprintf(stderr, "au_play_module: failed to play module: %s\n", mod->name);
+ return -1;
+ }
+ SET_MUS_VOL(vol_mus);
+ curmod = mod;
+ return 0;
+}
+
+void au_update(void)
+{
+}
+
+int au_stop_module(struct au_module *mod)
+{
+ if(mod && curmod != mod) return -1;
+ if(!curmod) return -1;
+
+ MIDASstopModule(modplay);
+ curmod = 0;
+ return 0;
+}
+
+int au_module_state(struct au_module *mod)
+{
+ if(mod) {
+ return curmod == mod ? AU_PLAYING : AU_STOPPED;
+ }
+ return curmod ? AU_PLAYING : AU_STOPPED;
+}
+
+int au_volume(int vol)
+{
+ AU_VOLADJ(vol_master, vol);
+ if(vol != vol_master) {
+ vol_master = vol;
+
+ au_sfx_volume(vol_sfx);
+ au_music_volume(vol_mus);
+ }
+ return vol_master;
+}
+
+int au_sfx_volume(int vol)
+{
+ AU_VOLADJ(vol_sfx, vol);
+ vol_sfx = vol;
+
+ /* TODO set sfx volume */
+ return vol_sfx;
+}
+
+
+int au_music_volume(int vol)
+{
+ AU_VOLADJ(vol_mus, vol);
+ vol_mus = vol;
+
+ if(curmod) {
+ SET_MUS_VOL(vol);
+ }
+ return vol_mus;
+}
+
+/* when using MIDAS, we can't access the PIT directly, so we don't build timer.c
+ * and implement all the timer functions here, using MIDAS callbacks
+ */
+static volatile unsigned long ticks;
+static unsigned long tick_interval;
+
+static void MIDAS_CALL midas_timer(void)
+{
+ ticks++;
+}
+
+/* macro to divide and round to the nearest integer */
+#define DIV_ROUND(a, b) \
+ ((a) / (b) + ((a) % (b)) / ((b) / 2))
+
+void init_timer(int res_hz)
+{
+ MIDASsetTimerCallbacks(res_hz * 1000, 0, midas_timer, 0, 0);
+ tick_interval = DIV_ROUND(1000, res_hz);
+}
+
+void reset_timer(void)
+{
+ ticks = 0;
+}
+
+unsigned long get_msec(void)
+{
+ return ticks * tick_interval;
+}
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
+#include "demo.h"
+#include "cdpmi.h"
#include "gfx.h"
#include "vbe.h"
#include "vga.h"
-#include "cdpmi.h"
+#include "util.h"
+
+#define SAME_BPP(a, b) \
+ ((a) == (b) || ((a) == 16 && (b) == 15) || ((a) == 15 && (b) == 16) || \
+ ((a) == 32 && (b) == 24) || ((a) == 24 && (b) == 32))
-#define SAME_BPP(a, b) \
- ((a) == (b) || ((a) == 16 && (b) == 15) || ((a) == 15 && (b) == 16) || \
- ((a) == 32 && (b) == 24) || ((a) == 24 && (b) == 32))
+void (*blit_frame)(void*, int);
+
+static void blit_frame_lfb(void *pixels, int vsync);
+static void blit_frame_banked(void *pixels, int vsync);
+static uint32_t calc_mask(int sz, int pos);
+
+static struct video_mode *vmodes;
+static int num_vmodes;
static int vbe_init_ver;
static struct vbe_info vbe;
-static int mode, pgsize, fbsize;
-static struct vbe_mode_info mode_info;
+/* current mode */
+static struct video_mode *curmode;
static void *vpgaddr[2];
-static int fbidx;
-static int pgcount;
+static int frontidx, backidx;
+static int pgcount, pgsize, fbsize;
+
-static int init_vbe(void)
+int init_video(void)
{
- int i, num;
+ int i, num, max_modes;
+ struct video_mode *vmptr;
if(vbe_info(&vbe) == -1) {
fprintf(stderr, "failed to retrieve VBE information\n");
return -1;
}
-
vbe_print_info(stdout, &vbe);
+ num_vmodes = 0;
+ max_modes = 64;
+ if(!(vmodes = malloc(max_modes * sizeof *vmodes))) {
+ fprintf(stderr, "failed to allocate video modes list\n");
+ return -1;
+ }
+
num = vbe_num_modes(&vbe);
for(i=0; i<num; i++) {
struct vbe_mode_info minf;
if(vbe_mode_info(vbe.modes[i], &minf) == -1) {
continue;
}
+
+ if(num_vmodes >= max_modes) {
+ int newmax = max_modes ? (max_modes << 1) : 16;
+ if(!(vmptr = realloc(vmodes, newmax * sizeof *vmodes))) {
+ fprintf(stderr, "failed to grow video mode list (%d)\n", newmax);
+ free(vmodes);
+ return -1;
+ }
+ vmodes = vmptr;
+ max_modes = newmax;
+ }
+
+ vmptr = vmodes + num_vmodes++;
+ memset(vmptr, 0, sizeof *vmptr);
+ vmptr->mode = vbe.modes[i];
+ vmptr->xsz = minf.xres;
+ vmptr->ysz = minf.yres;
+ vmptr->bpp = minf.bpp;
+ vmptr->pitch = minf.scanline_bytes;
+ if(minf.mem_model == VBE_TYPE_DIRECT) {
+ vmptr->rbits = minf.rsize;
+ vmptr->gbits = minf.gsize;
+ vmptr->bbits = minf.bsize;
+ vmptr->rshift = minf.rpos;
+ vmptr->gshift = minf.gpos;
+ vmptr->bshift = minf.bpos;
+ vmptr->rmask = calc_mask(minf.rsize, minf.rpos);
+ vmptr->gmask = calc_mask(minf.gsize, minf.gpos);
+ vmptr->bmask = calc_mask(minf.bsize, minf.bpos);
+ vmptr->bpp = vmptr->rbits + vmptr->gbits + vmptr->bbits;
+ }
+ if(minf.attr & VBE_ATTR_LFB) {
+ vmptr->fb_addr = minf.fb_addr;
+ } else {
+ vmptr->bank_size = (uint32_t)minf.bank_size * 1024;
+ if(!vmptr->bank_size) {
+ vmptr->bank_size = 65536;
+ }
+ }
+ vmptr->max_pages = minf.num_img_pages;
+
printf("%04x: ", vbe.modes[i]);
vbe_print_mode_info(stdout, &minf);
}
return 0;
}
-void *set_video_mode(int xsz, int ysz, int bpp, int nbuf)
+void cleanup_video(void)
{
- int i, nmodes;
- int best_match_mode = -1;
- struct vbe_mode_info minf;
+ free(vmodes);
+}
- if(!vbe_init_ver) {
- if(init_vbe() == -1) {
- fprintf(stderr, "failed to initialize VBE\n");
- return 0;
- }
- if(vbe_init_ver < 2) {
- fprintf(stderr, "VBE >= 2.0 required\n");
- return 0;
- }
+struct video_mode *video_modes(void)
+{
+ return vmodes;
+}
+
+int num_video_modes(void)
+{
+ return num_vmodes;
+}
+
+struct video_mode *get_video_mode(int idx)
+{
+ if(idx == VMODE_CURRENT) {
+ return curmode;
}
+ return vmodes + idx;
+}
- mode = -1;
- nmodes = vbe_num_modes(&vbe);
- for(i=0; i<nmodes; i++) {
- if(vbe_mode_info(vbe.modes[i], &minf) == -1) {
- continue;
- }
- if(minf.xres != xsz || minf.yres != ysz) continue;
- if(minf.bpp == bpp) {
- mode = vbe.modes[i];
- break;
- }
- if(SAME_BPP(minf.bpp, bpp)) {
- best_match_mode = mode;
+int match_video_mode(int xsz, int ysz, int bpp)
+{
+ int i, best = -1;
+ struct video_mode *vm;
+
+ for(i=0; i<num_vmodes; i++) {
+ vm = vmodes + i;
+ if(vm->xsz != xsz || vm->ysz != ysz) continue;
+ if(SAME_BPP(vm->bpp, bpp)) {
+ best = i;
}
+ if(vm->bpp == bpp) break;
+ }
+
+ if(best == -1) {
+ fprintf(stderr, "failed to find video mode %dx%d %d bpp)\n", xsz, ysz, bpp);
+ return -1;
}
+ return best;
+}
+
+int find_video_mode(int mode)
+{
+ int i;
+ struct video_mode *vm;
- if(mode == -1) {
- if(best_match_mode == -1) {
- fprintf(stderr, "failed to find requested video mode (%dx%d %d bpp)\n", xsz, ysz, bpp);
+ vm = vmodes;
+ for(i=0; i<num_vmodes; i++) {
+ if(vm->mode == mode) return i;
+ }
+ return -1;
+}
+
+void *set_video_mode(int idx, int nbuf)
+{
+ unsigned int mode;
+ struct video_mode *vm = vmodes + idx;
+
+ if(curmode == vm) return vpgaddr[0];
+
+ printf("setting video mode %x (%dx%d %d bpp)\n", (unsigned int)vm->mode,
+ vm->xsz, vm->ysz, vm->bpp);
+ fflush(stdout);
+
+ mode = vm->mode | VBE_MODE_LFB;
+ if(vbe_setmode(mode) == -1) {
+ mode = vm->mode;
+ if(vbe_setmode(mode) == -1) {
+ fprintf(stderr, "failed to set video mode %x\n", (unsigned int)vm->mode);
return 0;
}
- mode = best_match_mode;
+ printf("Warning: failed to get a linear framebuffer. falling back to banked mode\n");
}
- vbe_mode_info(mode, &mode_info);
- printf("setting video mode %x: (%dx%d %d)\n", (unsigned int)mode, mode_info.xres,
- mode_info.yres, mode_info.bpp);
-
- if(vbe_setmode(mode | VBE_MODE_LFB) == -1) {
- fprintf(stderr, "failed to set video mode\n");
- return 0;
+ /* unmap previous video memory mapping, if there was one (switching modes) */
+ if(vpgaddr[0] && vpgaddr[0] != (void*)0xa0000) {
+ dpmi_munmap(vpgaddr[0]);
+ vpgaddr[0] = vpgaddr[1] = 0;
}
+ curmode = vm;
if(nbuf < 1) nbuf = 1;
if(nbuf > 2) nbuf = 2;
- pgcount = nbuf > mode_info.num_img_pages ? mode_info.num_img_pages : nbuf;
-
- pgsize = mode_info.xres * mode_info.yres * (bpp / 8);
+ pgcount = nbuf > vm->max_pages ? vm->max_pages : nbuf;
+ pgsize = vm->ysz * vm->pitch;
fbsize = pgcount * pgsize;
- vpgaddr[0] = (void*)dpmi_mmap(mode_info.fb_addr, fbsize);
- memset(vpgaddr[0], 0xaa, fbsize);
+ printf("pgcount: %d, pgsize: %d, fbsize: %d\n", pgcount, pgsize, fbsize);
+ printf("phys addr: %p\n", (void*)vm->fb_addr);
+ fflush(stdout);
+
+ if(vm->fb_addr) {
+ vpgaddr[0] = (void*)dpmi_mmap(vm->fb_addr, fbsize);
+ if(!vpgaddr[0]) {
+ fprintf(stderr, "failed to map framebuffer (phys: %lx, size: %d)\n",
+ (unsigned long)vm->fb_addr, fbsize);
+ set_text_mode();
+ return 0;
+ }
+ memset(vpgaddr[0], 0xaa, pgsize);
+
+ if(pgcount > 1) {
+ vpgaddr[1] = (char*)vpgaddr[0] + pgsize;
+ backidx = 1;
+ page_flip(FLIP_NOW); /* start with the second page visible */
+ } else {
+ frontidx = backidx = 0;
+ vpgaddr[1] = 0;
+ }
+
+ blit_frame = blit_frame_lfb;
- if(pgcount > 1) {
- vpgaddr[1] = (char*)vpgaddr[0] + pgsize;
- fbidx = 1;
- page_flip(FLIP_NOW); /* start with the second page visible */
} else {
- fbidx = 0;
+ vpgaddr[0] = (void*)0xa0000;
vpgaddr[1] = 0;
+
+ blit_frame = blit_frame_banked;
+ }
+
+ /* allocate main memory framebuffer */
+ if(resizefb(vm->xsz, vm->ysz, vm->bpp) == -1) {
+ fprintf(stderr, "failed to allocate %dx%d (%d bpp) framebuffer\n", vm->xsz,
+ vm->ysz, vm->bpp);
+ set_text_mode();
+ return 0;
}
return vpgaddr[0];
int set_text_mode(void)
{
+ /* unmap previous video memory mapping, if there was one (switching modes) */
+ if(vpgaddr[0] && vpgaddr[0] != (void*)0xa0000) {
+ dpmi_munmap(vpgaddr[0]);
+ vpgaddr[0] = vpgaddr[1] = 0;
+ }
+
vga_setmode(3);
+ curmode = 0;
return 0;
}
return vpgaddr[0];
}
- vbe_swap(fbidx ? pgsize : 0, vsync ? VBE_SWAP_VBLANK : VBE_SWAP_NOW);
- fbidx = (fbidx + 1) & 1;
+ vbe_swap(backidx ? pgsize : 0, vsync ? VBE_SWAP_VBLANK : VBE_SWAP_NOW);
+ frontidx = backidx;
+ backidx = (backidx + 1) & 1;
+
+ return vpgaddr[backidx];
+}
+
+
+static void blit_frame_lfb(void *pixels, int vsync)
+{
+ if(show_fps) dbg_fps(pixels);
+ if(vsync) wait_vsync();
+ memcpy64(vpgaddr[frontidx], pixels, pgsize >> 3);
+}
+
+static void blit_frame_banked(void *pixels, int vsync)
+{
+ int i, sz, offs;
+ unsigned int pending;
+ unsigned char *pptr = pixels;
+
+ if(show_fps) dbg_fps(pixels);
+
+ if(vsync) wait_vsync();
+
+ /* assume initial window offset at 0 */
+ offs = 0;
+ pending = pgsize;
+ while(pending > 0) {
+ sz = pending > curmode->bank_size ? curmode->bank_size : pending;
+ //memcpy64((void*)0xa0000, pptr, sz >> 3);
+ memcpy((void*)0xa0000, pptr, sz);
+ pptr += sz;
+ pending -= sz;
+ vbe_setwin(0, ++offs);
+ }
+
+ vbe_setwin(0, 0);
+}
- return vpgaddr[fbidx];
+static uint32_t calc_mask(int sz, int pos)
+{
+ int i;
+ uint32_t mask = 0;
+ while(sz-- > 0) {
+ mask = (mask << 1) | 1;
+ }
+ return mask << pos;
}
#ifndef GFX_H_
#define GFX_H_
+#include "inttypes.h"
+
+struct video_mode {
+ uint16_t mode;
+ short xsz, ysz, bpp, pitch;
+ short rbits, gbits, bbits;
+ short rshift, gshift, bshift;
+ uint32_t rmask, gmask, bmask;
+ uint32_t fb_addr;
+ short max_pages;
+ uint32_t bank_size;
+};
+
#ifdef __cplusplus
extern "C" {
#endif
-void *set_video_mode(int xsz, int ysz, int bpp, int nbuf);
-int set_text_mode(void);
+int init_video(void);
+void cleanup_video(void);
-int get_color_depth(void);
-int get_color_bits(int *rbits, int *gbits, int *bbits);
-int get_color_shift(int *rshift, int *gshift, int *bshift);
-int get_color_mask(unsigned int *rmask, unsigned int *gmask, unsigned int *bmask);
+struct video_mode *video_modes(void);
+int num_video_modes(void);
+
+#define VMODE_CURRENT (-1)
+struct video_mode *get_video_mode(int idx);
+
+int match_video_mode(int xsz, int ysz, int bpp);
+int find_video_mode(int mode);
+
+/* argument is the mode list index [0, nmodes-1] */
+void *set_video_mode(int idx, int nbuf);
+int set_text_mode(void);
void set_palette(int idx, int r, int g, int b);
};
/* page flip and return pointer to the start of the display area (front buffer) */
void *page_flip(int vsync);
+extern void (*blit_frame)(void *pixels, int vsync);
#ifdef __WATCOMC__
void wait_vsync(void);
#ifndef INT_TYPES_H_
#define INT_TYPES_H_
-/*#if defined(__WATCOMC__) && __WATCOMC__ < 0x1200*/
-#if defined(__DOS__) || defined(__MSDOS__)
+#if defined(__WATCOMC__) && __WATCOMC__ < 1200
typedef char int8_t;
typedef short int16_t;
typedef long int32_t;
{
unsigned char code;
int key, c, press;
+ static int ext;
code = inp(KB_PORT);
- if(code >= 128) {
+ if(code == 0xe0) {
+ ext = 1;
+ goto eoi;
+ }
+
+ if(code & 0x80) {
press = 0;
- code -= 128;
+ code &= 0x7f;
if(num_pressed > 0) {
num_pressed--;
num_pressed++;
}
- key = scantbl[code];
- c = (keystate[KB_LSHIFT] | keystate[KB_RSHIFT]) ? scantbl_shift[code] : key;
+ if(ext) {
+ key = scantbl_ext[code];
+ c = key;
+ ext = 0;
+ } else {
+ key = scantbl[code];
+ c = (keystate[KB_LSHIFT] | keystate[KB_RSHIFT]) ? scantbl_shift[code] : key;
+ }
if(press) {
/* append to buffer */
/* and update keystate table */
keystate[key] = press;
+eoi:
outp(PIC1_CMD_PORT, OCW2_EOI); /* send end-of-interrupt */
}
#include <stdio.h>
#include <stdlib.h>
-#include <math.h>
#include <string.h>
-#include <limits.h>
-#include <assert.h>
-#include <conio.h>
#include "demo.h"
#include "keyb.h"
-#include "mouse.h"
#include "timer.h"
#include "gfx.h"
-#include "vmath.h"
-#include "sball.h"
-#include "cfgopt.h"
#include "logger.h"
-#include "tinyfps.h"
#include "cdpmi.h"
-
-#undef NOKEYB
+#include "audio.h"
static int handle_sball_event(sball_event *ev);
static void recalc_sball_matrix(float *xform);
static int quit;
-static long fbsize;
+
+int force_snd_config;
static int use_sball;
static vec3_t pos = {0, 0, 0};
static quat_t rot = {0, 0, 0, 1};
+
int main(int argc, char **argv)
{
+ int i;
+ int vmidx, status = 0;
+
+ for(i=1; i<argc; i++) {
+ if(strcmp(argv[i], "-setup") == 0) {
+ force_snd_config = 1;
+ }
+ }
+
#ifdef __DJGPP__
__djgpp_nearptr_enable();
#endif
- fbsize = FB_WIDTH * FB_HEIGHT * FB_BPP / 8;
-
init_logger("demo.log");
+ /* au_init needs to be called early, before init_timer, and also before
+ * we enter graphics mode, to use the midas configuration tool if necessary
+ */
+ if(au_init() == -1) {
+ return 1;
+ }
+
init_timer(100);
-#ifndef NOKEYB
kb_init(32);
-#endif
- /* now start_loadscr sets up fb_pixels to the space used by the loading image,
- * so no need to allocate another framebuffer
- */
-#if 0
- /* allocate a couple extra rows as a guard band, until we fucking fix the rasterizer */
- if(!(fb_pixels = malloc(fbsize + (FB_WIDTH * FB_BPP / 8) * 2))) {
- fprintf(stderr, "failed to allocate backbuffer\n");
+ if(init_video() == -1) {
return 1;
}
- fb_pixels += FB_WIDTH;
-#endif
- if(!(vmem = set_video_mode(FB_WIDTH, FB_HEIGHT, FB_BPP, 1))) {
+ if((vmidx = match_video_mode(640, 480, 16)) == -1) {
+ return 1;
+ }
+ if(!(vmem = set_video_mode(vmidx, 1))) {
return 1;
}
}
}
- if(demo_init(argc, argv) == -1) {
- set_text_mode();
- return 1;
+ if(init(argc, argv) == -1) {
+ status = -1;
+ goto break_evloop;
}
if(opt.sball && sball_init() == 0) {
reset_timer();
- while(!quit) {
-#ifndef NOKEYB
+ for(;;) {
int key;
while((key = kb_getkey()) != -1) {
- demo_keyboard(key, 1);
- }
-#else
- if(kbhit()) {
- demo_keyboard(getch(), 1);
+ demo_key(key, 1);
+ if(quit) goto break_evloop;
}
-#endif
- if(quit) goto break_evloop;
if(opt.mouse) {
mouse_bmask = read_mouse(&mouse_x, &mouse_y);
}
time_msec = get_msec();
- demo_draw();
+ draw();
}
break_evloop:
+ cleanup();
set_text_mode();
- demo_cleanup();
-#ifndef NOKEYB
+ cleanup_video();
kb_shutdown();
-#endif
+ au_shutdown();
if(use_sball) {
sball_shutdown();
}
- return 0;
+ return status;
}
void demo_quit(void)
quit = 1;
}
-void swap_buffers(void *pixels)
-{
- if(!pixels) {
- pixels = fb_pixels;
- }
-
- demo_post_draw(pixels);
-
- /* just memcpy to the front buffer */
- if(opt.vsync) {
- wait_vsync();
- }
- memcpy(vmem, pixels, fbsize);
-}
-
-
#define TX(ev) ((ev)->motion.motion[0])
#define TY(ev) ((ev)->motion.motion[1])
#define TZ(ev) ((ev)->motion.motion[2])
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 60 - 6f */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* 70 - 7f */
};
+
+
+/* extended scancodes, after the 0xe0 prefix */
+static int scantbl_ext[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0 - f */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '\r', KB_RCTRL, 0, 0, /* 10 - 1f */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 20 - 2f */
+ 0, 0, 0, 0, 0, KB_NUM_MINUS, 0, KB_SYSRQ, KB_RALT, 0, 0, 0, 0, 0, 0, 0, /* 30 - 3f */
+ 0, 0, 0, 0, 0, 0, 0, KB_HOME, KB_UP, KB_PGUP, 0, KB_LEFT, 0, KB_RIGHT, 0, KB_END, /* 40 - 4f */
+ KB_DOWN, KB_PGDN, KB_INSERT, KB_DEL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 50 - 5f */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 60 - 6f */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 70 - 7f */
+};
+
+/* for sound we use MIDAS, which takes over the PIT and we can't use it
+ * therefore only compile this file for NO_SOUND builds.
+ */
+#ifdef NO_SOUND
+
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
/* send EOI to the PIC */
outp(PIC1_CMD, OCW2_EOI);
}
+
+#endif /* NO_SOUND */
int vbe_info(struct vbe_info *info)
{
- int i, num;
void *lowbuf;
uint16_t seg, sel;
uint16_t *modeptr;
+ uint32_t offs;
struct dpmi_regs regs = {0};
assert(sizeof *info == 512);
FIXPTR(info->product);
FIXPTR(info->revstr);
FIXPTR(info->modes);
- FIXPTR(info->accel_modes);
+ /* implementations without the accel capability, will use the space taken
+ * by the accel_modes pointer for other data (probably video modes). We
+ * need to check for the capability before "fixing" this pointer, otherwise
+ * we'll shuffle random data.
+ */
+ if(info->caps & VBE_ACCEL) {
+ FIXPTR(info->accel_modes);
+ }
+
+ /* info->modes should be pointing somewhere at the end of the original
+ * low memory buffer. make it point at the same offset in the info
+ * buffer where we copied everything instead.
+ */
+ offs = (char*)info->modes - (char*)lowbuf;
+ if(offs < sizeof *info) { /* this should always be true */
+ info->modes = (uint16_t*)((char*)info + offs);
+ }
modeptr = info->modes;
while(*modeptr != 0xffff) {
int vbe_mode_info(int mode, struct vbe_mode_info *minf)
{
- int i, num;
void *lowbuf;
uint16_t seg, sel;
struct dpmi_regs regs = {0};
if(minf->attr & VBE_ATTR_LFB) {
fprintf(fp, " lfb@%lx", (unsigned long)minf->fb_addr);
+ } else {
+ fprintf(fp, " %xkb/bank", (unsigned int)minf->bank_size);
}
fprintf(fp, " [");
--- /dev/null
+#ifdef __WATCOMC__
+#include "cdpmi.h"
+
+void dpmi_real_int(int inum, struct dpmi_real_regs *regs)
+{
+ unsigned char int_num = (unsigned char)inum;
+ __asm {
+ mov eax, 0x300
+ mov edi, regs
+ mov bl, int_num
+ mov bh, 0
+ xor ecx, ecx
+ int 0x31
+ }
+}
+
+void *dpmi_mmap(uint32_t phys_addr, unsigned int size)
+{
+ uint16_t mem_high, mem_low;
+ uint16_t phys_high = phys_addr >> 16;
+ uint16_t phys_low = phys_addr & 0xffff;
+ uint16_t size_high = size >> 16;
+ uint16_t size_low = size & 0xffff;
+ unsigned int err, res = 0;
+
+ __asm {
+ mov eax, 0x800
+ mov bx, phys_high
+ mov cx, phys_low
+ mov si, size_high
+ mov di, size_low
+ int 0x31
+ add res, 1
+ mov err, eax
+ mov mem_high, bx
+ mov mem_low, cx
+ }
+
+ if(res == 2) {
+ return 0;
+ }
+ return (void*)(((uint32_t)mem_high << 16) | ((uint32_t)mem_low));
+}
+
+void dpmi_munmap(void *addr)
+{
+ uint16_t mem_high = (uint32_t)addr >> 16;
+ uint16_t mem_low = (uint16_t)addr;
+
+ __asm {
+ mov eax, 0x801
+ mov bx, mem_high
+ mov cx, mem_low
+ int 0x31
+ }
+}
+#else
+int stop_gcc_crying_about_empty_translation_units = 0;
+#endif /* __WATCOM__ */
projects / dosdemo / commitdiff