-/* miditest.c
- *
- * Adlib OPL2/OPL3 FM synthesizer chipset test program.
- * Play MIDI file using the OPLx synthesizer (well, poorly anyway)
- * (C) 2010-2012 Jonathan Campbell.
- * Hackipedia DOS library.
- *
- * This code is licensed under the LGPL.
- * <insert LGPL legal text here>
- *
- * Compiles for intended target environments:
- * - MS-DOS [pure DOS mode, or Windows or OS/2 DOS Box]
- */
-
-#include "src/lib/midi.h"
-
-int main(int argc,char **argv) {
- unsigned long ptick;
- int i,c;
-
- printf("ADLIB FM test program\n");
- if (argc < 2) {
- printf("You must specify a MIDI file to play\n");
- return 1;
- }
-
- /*if (!probe_vga()) {
- printf("Cannot init VGA\n");
- return 1;
- }*/
- if (!init_adlib()) {
- printf("Cannot init library\n");
- return 1;
- }
- if (!probe_8254()) { /* we need the timer to keep time with the music */
- printf("8254 timer not found\n");
- return 1;
- }
-
- for (i=0;i < MIDI_MAX_TRACKS;i++) {
- midi_trk[i].raw = NULL;
- midi_trk[i].read = NULL;
- midi_trk[i].fence = NULL;
- }
-
- if (load_midi_file(argv[1]) == 0) {
- printf("Failed to load MIDI\n");
- return 1;
- }
-
- write_8254_system_timer(T8254_REF_CLOCK_HZ / 100); /* tick faster at 100Hz please */
- irq0_cnt = 0;
- irq0_add = 182;
- irq0_max = 1000; /* about 18.2Hz */
- old_irq0 = _dos_getvect(8);/*IRQ0*/
- _dos_setvect(8,irq0);
-
- //adlib_shut_up();
- midi_reset_channels();
- midi_reset_tracks();
- _cli();
- irq0_ticks = ptick = 0;
- _sti();
- midi_playing = 1;
-
- while (1) {
- unsigned long adv;
-
- _cli();
- adv = irq0_ticks - ptick;
- //adv = ptick;
- if (adv >= 100UL) adv = 100UL;
- ptick = irq0_ticks;
- //ptick++;
- _sti();
-
- while (adv != 0) {
- midi_tick();
- adv--;
- }
-
- if (kbhit()) {
- c = getch();
- if (c == 0) c = getch() << 8;
-
- if (c == 27) {
- break;
- }
- }
- }
-
- midi_playing = 0;
- //adlib_shut_up();
- shutdown_adlib();
- _dos_setvect(8,old_irq0);
- write_8254_system_timer(0); /* back to normal 18.2Hz */
-
- for (i=0;i < MIDI_MAX_TRACKS;i++) {
- if (midi_trk[i].raw) {
-#if TARGET_MSDOS == 16 && (defined(__LARGE__) || defined(__COMPACT__))
- _dos_freemem(FP_SEG(midi_trk[i].raw)); /* NTS: Because we allocated with _dos_allocmem */
-#else
- free(midi_trk[i].raw);
-#endif
- midi_trk[i].raw = NULL;
- }
- midi_trk[i].fence = NULL;
- midi_trk[i].read = NULL;
- }
-
- return 0;
-}
+/* miditest.c\r
+ *\r
+ * Adlib OPL2/OPL3 FM synthesizer chipset test program.\r
+ * Play MIDI file using the OPLx synthesizer (well, poorly anyway)\r
+ * (C) 2010-2012 Jonathan Campbell.\r
+ * Hackipedia DOS library.\r
+ *\r
+ * This code is licensed under the LGPL.\r
+ * <insert LGPL legal text here>\r
+ *\r
+ * Compiles for intended target environments:\r
+ * - MS-DOS [pure DOS mode, or Windows or OS/2 DOS Box]\r
+ */\r
+\r
+#include "src/lib/midi.h"\r
+\r
+int main(int argc,char **argv) {\r
+ unsigned long ptick;\r
+ int i,c;\r
+\r
+ printf("ADLIB FM test program\n");\r
+ if (argc < 2) {\r
+ printf("You must specify a MIDI file to play\n");\r
+ return 1;\r
+ }\r
+\r
+ /*if (!probe_vga()) {\r
+ printf("Cannot init VGA\n");\r
+ return 1;\r
+ }*/\r
+ if (!init_adlib()) {\r
+ printf("Cannot init library\n");\r
+ return 1;\r
+ }\r
+ if (!probe_8254()) { /* we need the timer to keep time with the music */\r
+ printf("8254 timer not found\n");\r
+ return 1;\r
+ }\r
+\r
+ for (i=0;i < MIDI_MAX_TRACKS;i++) {\r
+ midi_trk[i].raw = NULL;\r
+ midi_trk[i].read = NULL;\r
+ midi_trk[i].fence = NULL;\r
+ }\r
+\r
+ if (load_midi_file(argv[1]) == 0) {\r
+ printf("Failed to load MIDI\n");\r
+ return 1;\r
+ }\r
+\r
+ write_8254_system_timer(T8254_REF_CLOCK_HZ / 100); /* tick faster at 100Hz please */\r
+ irq0_cnt = 0;\r
+ irq0_add = 182;\r
+ irq0_max = 1000; /* about 18.2Hz */\r
+ old_irq0 = _dos_getvect(8);/*IRQ0*/\r
+ _dos_setvect(8,irq0);\r
+\r
+ //adlib_shut_up();\r
+ midi_reset_channels();\r
+ midi_reset_tracks();\r
+ _cli();\r
+ irq0_ticks = ptick = 0;\r
+ _sti();\r
+ midi_playing = 1;\r
+\r
+ while (1) {\r
+ unsigned long adv;\r
+\r
+ _cli();\r
+ adv = irq0_ticks - ptick;\r
+ //adv = ptick;\r
+ if (adv >= 100UL) adv = 100UL;\r
+ ptick = irq0_ticks;\r
+ //ptick++;\r
+ _sti();\r
+\r
+ while (adv != 0) {\r
+ midi_tick();\r
+ adv--;\r
+ }\r
+\r
+ if (kbhit()) {\r
+ c = getch();\r
+ if (c == 0) c = getch() << 8;\r
+\r
+ if (c == 27) {\r
+ break;\r
+ }\r
+ }\r
+ }\r
+\r
+ midi_playing = 0;\r
+ //adlib_shut_up();\r
+ shutdown_adlib();\r
+ _dos_setvect(8,old_irq0);\r
+ write_8254_system_timer(0); /* back to normal 18.2Hz */\r
+\r
+ for (i=0;i < MIDI_MAX_TRACKS;i++) {\r
+ if (midi_trk[i].raw) {\r
+#if TARGET_MSDOS == 16 && (defined(__LARGE__) || defined(__COMPACT__))\r
+ _dos_freemem(FP_SEG(midi_trk[i].raw)); /* NTS: Because we allocated with _dos_allocmem */\r
+#else\r
+ free(midi_trk[i].raw);\r
+#endif\r
+ midi_trk[i].raw = NULL;\r
+ }\r
+ midi_trk[i].fence = NULL;\r
+ midi_trk[i].read = NULL;\r
+ }\r
+\r
+ return 0;\r
+}\r
projects / 16.git / blobdiff