void
main(int argc, char *argvar[])
{
+ // DOSLIB: check our environment
+ probe_dos();
+
+ // DOSLIB: what CPU are we using?
+ // NTS: I can see from the makefile Sparky4 intends this to run on 8088 by the -0 switch in CFLAGS.
+ // So this code by itself shouldn't care too much what CPU it's running on. Except that other
+ // parts of this project (DOSLIB itself) rely on CPU detection to know what is appropriate for
+ // the CPU to carry out tasks. --J.C.
+ cpu_probe();
+
+ // DOSLIB: check for VGA
+ if (!probe_vga()) {
+ printf("VGA probe failed\n");
+ return;
+ }
+ // hardware must be VGA or higher!
+ if (!(vga_state.vga_flags & VGA_IS_VGA)) {
+ printf("This program requires VGA or higher graphics hardware\n");
+ return;
+ }
+
// main variables values
d=4; // switch variable
key=2; // default screensaver number
ydir=1;
#ifdef MXLIB
- VGAmodeX(1, &gvar);
+ VGAmodeX(1, &gvar); // TODO: Suggestion: Instead of magic numbers for the first param, might I suggest defining an enum or some #define constants that are easier to remember? --J.C.
#else
- probe_dos();
- if (!probe_vga()) {
- printf("VGA probe failed\n");
- return 1;
- }
- int10_setmode(19);
- update_state_from_vga();
- vga_enable_256color_modex(); // VGA mode X
- vga_state.vga_width = 320; // VGA lib currently does not update this
- vga_state.vga_height = 240; // VGA lib currently does not update this
-
-//#if 1 // 320x240 test mode: this is how Project 16 is using our code, enable for test case
- {
- struct vga_mode_params cm;
-
- vga_read_crtc_mode(&cm);
-
- // 320x240 mode 60Hz
- cm.vertical_total = 525;
- cm.vertical_start_retrace = 0x1EA;
- cm.vertical_end_retrace = 0x1EC;
- cm.vertical_display_end = 480;
- cm.vertical_blank_start = 489;
- cm.vertical_blank_end = 517;
-
- vga_write_crtc_mode(&cm,0);
- }
- vga_state.vga_height = 240; // VGA lib currently does not update this
-//#endif
+# error REMOVED // this code is written around modex16 which so far is a better fit than using DOSLIB vga directly, so leave MXLIB code in.
+ // we'll integrate DOSLIB vga into that part of the code instead for less disruption. -- J.C.
#endif
bakapee.xx = rand()&0%gvar.video.page[0].width;
bakapee.yy = rand()&0%gvar.video.page[0].height;
#ifdef BOINK
while(d>0) // on!
{
- if(!kbhit())
- { // conditions of screen saver
+ /* run screensaver routine until keyboard input */
+ while (key > 0) {
+ if (kbhit()) {
+ getch(); // eat keyboard input
+ break;
+ }
+
ding(&gvar.video.page[0], &bakapee, key);
}
- else
+
{
-#ifndef MXLIB
- int10_setmode(3);
-#else
+ int c;
+
+# ifndef MXLIB
+# error REMOVED // this code is written around modex16 which so far is a better fit than using DOSLIB vga directly, so leave MXLIB code in.
+ // we'll integrate DOSLIB vga into that part of the code instead for less disruption. -- J.C.
+# else
VGAmodeX(0, &gvar);
-#endif
+# endif
// user imput switch
fprintf(stderr, "xx=%d yy=%d tile=%d\n", bakapee.xx, bakapee.yy, bakapee.tile);
- printf("Enter 1, 2, 3, 4, or 6 to run a screensaver, or enter 0 to quit.\n", getch()); // prompt the user
- //scanf("%d", &key);
- if(scanf("%d", &key) != 1)
- {
- printf("%d\n", key);
- }
- getch();
- //if(key==3){xx=yy=0;} // crazy screen saver wwww
- switch (key)
- {
- case 0:
+ printf("Enter 1, 2, 3, 4, or 6 to run a screensaver, or enter 0 to quit.\n");
+
+ c = getch();
+ switch (c) {
+ case 27: /* Escape key */
+ case '0':
d=0;
- break;
- case 65536:
+ break;
+ case 'b': // test tile change
switch (bakapee.tile)
{
case 0:
bakapee.tile=0;
break;
}
- d=2;
- default:
-#ifdef MXLIB
+ key=0;
+ break;
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ key = c - '0';
+# ifdef MXLIB
gvar.video.page[0] = modexDefaultPage(&gvar.video.page[0]);
gvar.video.page[0].width += (TILEWH*2);
gvar.video.page[0].height += (TILEWH*2);
VGAmodeX(1, &gvar);
-#else
- probe_dos();
- if (!probe_vga()) {
- printf("VGA probe failed\n");
- return 1;
- }
- int10_setmode(19);
- update_state_from_vga();
- vga_enable_256color_modex(); // VGA mode X
- vga_state.vga_width = 320; // VGA lib currently does not update this
- vga_state.vga_height = 240; // VGA lib currently does not update this
-
-//#if 1 // 320x240 test mode: this is how Project 16 is using our code, enable for test case
- {
- struct vga_mode_params cm;
-
- vga_read_crtc_mode(&cm);
-
- // 320x240 mode 60Hz
- cm.vertical_total = 525;
- cm.vertical_start_retrace = 0x1EA;
- cm.vertical_end_retrace = 0x1EC;
- cm.vertical_display_end = 480;
- cm.vertical_blank_start = 489;
- cm.vertical_blank_end = 517;
-
- vga_write_crtc_mode(&cm,0);
- }
- vga_state.vga_height = 240; // VGA lib currently does not update this
-//#endif
-#endif
+# else
+# error REMOVED // this code is written around modex16 which so far is a better fit than using DOSLIB vga directly, so leave MXLIB code in.
+ // we'll integrate DOSLIB vga into that part of the code instead for less disruption. -- J.C.
+# endif
modexShowPage(&gvar.video.page[0]);
- break;
+ break;
+ default:
+ key=0;
+ break;
}
}
}
-#else
+#else // !defined(BOINK)
+// FIXME: Does not compile. Do you want to remove this?
while(1)
{ // conditions of screen saver
while(!kbhit())
if(ch==0x1b)break; // 'ESC'
}
// VGAmodeX(0, &gvar);
-#endif
+#endif // defined(BOINK)
printf("bakapi ver. 1.04.13.04\nis made by sparky4\81i\81\86\83Ö\81\85\81j feel free to use it ^^\nLicence: GPL v3\n");
}
//pee!
projects / 16.git / blobdiff