#include "src/lib/16_mm.h"
#include "src/lib/16_hc.h"
#include "src/lib/16_dbg.h"
-#include "src/lib/16_sd.h"
-
-// #include <stdio.h>
-// #include <conio.h> /* this is where Open Watcom hides the outp() etc. functions */
-// #include <stdlib.h>
-// #include <string.h>
-// #include <unistd.h>
-// #include <malloc.h>
-// #include <ctype.h>
-// #include <fcntl.h>
-// #include <math.h>
-// #include <dos.h>
+#include "src/lib/16_snd.h"
extern struct glob_game_vars *ggvv;
-/*static void (interrupt *old_irq0)();
-static volatile unsigned long irq0_ticks=0;
-static volatile unsigned int irq0_cnt=0,irq0_add=0,irq0_max=0;
-
-#pragma pack(push,1)
-struct imf_entry {
- uint8_t reg,data;
- uint16_t delay;
-};
-#pragma pack(pop)
-
-static struct imf_entry* imf_music=NULL;
-static struct imf_entry* imf_play_ptr=NULL;
-static struct imf_entry* imf_music_end=NULL;
-static uint16_t imf_delay_countdown=0;
-
-#define PRINTBB {\
- printf("-------------------------------------------------------------------------------\n");\
- printf("buffer:\n");\
- printf("bigbuffer %Fp\t", gvar->ca.audiosegs[0]);\
- printf("&%Fp\n", MEMPTR gvar->ca.audiosegs[0]);\
- printf("imf_music %Fp\t", imf_music);\
- printf("&%Fp\n", imf_music);\
- printf("imf_play_ptr %Fp\t", imf_play_ptr);\
- printf("&%Fp\n", imf_play_ptr);\
- printf("imf_music_end %Fp\t", imf_music_end);\
- printf("&%Fp\n", imf_music_end);\
- printf("-------------------------------------------------------------------------------\n");\
-}
-
-void imf_free_music(global_game_variables_t *gvar) {
- if (imf_music) free(imf_music);
- MM_FreePtr(MEMPTR gvar->ca.audiosegs[0], gvar);
- imf_music = imf_play_ptr = imf_music_end = NULL;
- imf_delay_countdown = 0;
-}
-
-int imf_load_music(const char *path, global_game_variables_t *gvar) {
- unsigned long len;
- unsigned char buf[8];
- int fd;
-
- imf_free_music(gvar);
-
- fd = open(path,O_RDONLY|O_BINARY);
- if (fd < 0) return 0;
-
- len = lseek(fd,0,SEEK_END);
- lseek(fd,0,SEEK_SET);
- read(fd,buf,2);
- if (buf[0] != 0 || buf[1] != 0) // type 1 IMF
- len = *((uint16_t*)buf);
- else
- lseek(fd,0,SEEK_SET);
-
- if (len == 0 || len > 65535UL) {
- close(fd);
- return 0;
- }
- len -= len & 3;
-
-// imf_music = malloc(len);
- MM_GetPtr(MEMPTR gvar->ca.audiosegs[0],len, gvar);
- imf_music = (struct imf_entry *)gvar->ca.audiosegs[0];
- if (imf_music == NULL) {
- close(fd);
- return 0;
- }
- read(fd,imf_music,len);
- close(fd);
-
- imf_play_ptr = imf_music;
- imf_music_end = imf_music + (len >> 2UL);
- PRINTBB;
- return 1;
-}
-
-// WARNING: subroutine call in interrupt handler. make sure you compile with -zu flag for large/compact memory models
-void interrupt irq0()
-{
- ggvv->ca.sd.irq0_ticks++;
- if ((ggvv->ca.sd.irq0_cnt += ggvv->ca.sd.irq0_add) >= ggvv->ca.sd.irq0_max) {
- ggvv->ca.sd.irq0_cnt -= ggvv->ca.sd.irq0_max;
- old_irq0();
- }
- else {
- p8259_OCW2(0,P8259_OCW2_NON_SPECIFIC_EOI);
- }
-}
-
-void imf_tick() {
- if (imf_delay_countdown == 0) {
- do {
- adlib_write(imf_play_ptr->reg,imf_play_ptr->data);
- imf_delay_countdown = imf_play_ptr->delay;
- imf_play_ptr++;
- if (imf_play_ptr == imf_music_end)
- {
- printf("replay\n");
- imf_play_ptr = imf_music;
- }
- } while (imf_delay_countdown == 0);
- }
- else {
- imf_delay_countdown--;
- }
-}
-
-void adlib_shut_up() {
- int i;
-
- memset(adlib_fm,0,sizeof(adlib_fm));
- memset(&adlib_reg_bd,0,sizeof(adlib_reg_bd));
- for (i=0;i < adlib_fm_voices;i++) {
- struct adlib_fm_operator *f;
- f = &adlib_fm[i].mod;
- f->ch_a = f->ch_b = f->ch_c = f->ch_d = 1;
- f = &adlib_fm[i].car;
- f->ch_a = f->ch_b = f->ch_c = f->ch_d = 1;
- }
-
- for (i=0;i < adlib_fm_voices;i++) {
- struct adlib_fm_operator *f;
-
- f = &adlib_fm[i].mod;
- f->mod_multiple = 1;
- f->total_level = 63 - 16;
- f->attack_rate = 15;
- f->decay_rate = 4;
- f->sustain_level = 0;
- f->release_rate = 8;
- f->f_number = 400;
- f->sustain = 1;
- f->octave = 4;
- f->key_on = 0;
-
- f = &adlib_fm[i].car;
- f->mod_multiple = 1;
- f->total_level = 63 - 16;
- f->attack_rate = 15;
- f->decay_rate = 4;
- f->sustain_level = 0;
- f->release_rate = 8;
- f->f_number = 0;
- f->sustain = 1;
- f->octave = 0;
- f->key_on = 0;
- }
-
- adlib_apply_all();
-}*/
-
void main(int argc,char **argv) {
static global_game_variables_t gvar;
- unsigned long ptick, tickrate = 700;
+ unsigned long adv;
int c;
#ifdef __DEBUG_CA__
dbg_debugca=1;
StartupCAMMPM(&gvar);
printf("ADLIB FM test program IMFPLAY\n");
if (argc < 2) {
- printf("You must specify an IMF file to play\n");
-// return;
+ printf("You must specify an IMF file to play\n"); ShutdownCAMMPM(&gvar);
+ return;
}
SD_Initimf(&gvar);
if (!SD_imf_load_music(argv[1], &gvar)) {
- printf("Failed to load IMF Music\n");
-// return;
+ printf("Failed to load IMF Music\n"); ShutdownCAMMPM(&gvar);
+ return;
}
- write_8254_system_timer(T8254_REF_CLOCK_HZ / tickrate);
- old_irq0 = _dos_getvect(8); /*IRQ0*/
- _dos_setvect(8,irq0);
-
- _cli();
- gvar.ca.sd.irq0_ticks = ptick = 0;
- _sti();
+ SD_StartupTimer(&gvar);
+ printf("playing!\n");
while (1) {
- unsigned long adv;
-
_cli();
- adv = gvar.ca.sd.irq0_ticks - ptick;
+ adv = gvar.ca.sd.irq0_ticks - gvar.ca.sd.ptick;
if (adv >= 100UL) adv = 100UL;
- ptick = gvar.ca.sd.irq0_ticks;
+ gvar.ca.sd.ptick = gvar.ca.sd.irq0_ticks;
_sti();
while (adv != 0) {
}
}
}
-// printf("contents of the imf_music\n[\n%s\n]\n", imf_music);
+//0000 printf("contents of the imf_music\n[\n%s\n]\n", gvar.ca.sd.imf_music);
SD_imf_free_music(&gvar);
SD_adlib_shut_up();
shutdown_adlib();
- _dos_setvect(8,old_irq0);
+ SD_ShutdownTimer();
write_8254_system_timer(0); /* back to normal 18.2Hz */
ShutdownCAMMPM(&gvar);
}
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