9312de19ac
Changes since v0.7 : - Major CPU reorganisation. This has possibly broken some stuff, though I fixed all the regressions I could find - Lazy flags. This brought 10% speed improvement at one point, but that's probably been lost now - 430 VX chipset emulation - IDT Winchip emulation (currently sans MMX). Timing is probably wrong - Fixed a few FPU bugs - Timer reorganisation - Sound reorganisation - Other general reorganisation - AdLib Gold emulation - Windows Sound System emulation - Pro Audio Spectrum 16 emulation. This currently works with most DOS stuff, but not in Windows - Major improvements to GUS emulation. Has the downside that it now conflicts with SB emulation, so probably best to not enable both simultaneously - New graphics cards : - ATI-18800 (VGA Edge-16) - ATI-28800 (VGA Charger) - ATI Mach64GX (Graphics Pro Turbo). Quite a few features missing, but Windows doesn't seem to use half the features of this card - Cirrus Logic CL-GD5429. Blitter is a bit broken - Oak OTI-067 - S3 Trio64 (Number Nine 9FX) - S3 Virge. Only framebuffer stuff at the minute, Windows won't recognise the card - Trident TGUI-9440 - VGA. Doesn't work yet - Beginnings of 3DFX emulation, however this is in extremely early stages and doesn't do anything useful - Fixed DMA bug stopping floppy drives working in Windows 3.x - Fixed some other stuff probably - Broke some other stuff probably as well
143 lines
3.3 KiB
C
143 lines
3.3 KiB
C
#define USE_OPENAL
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#ifdef USE_OPENAL
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#include <AL/al.h>
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#include <AL/alut.h>
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#endif
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#include "ibm.h"
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FILE *allog;
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#ifdef USE_OPENAL
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ALuint buffers[4]; // front and back buffers
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ALuint source; // audio source
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ALenum format; // internal format
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#endif
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#define FREQ 48000
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#define BUFLEN SOUNDBUFLEN
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void closeal();
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void initalmain(int argc, char *argv[])
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{
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#ifdef USE_OPENAL
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alutInit(0,0);
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// printf("AlutInit\n");
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atexit(closeal);
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// printf("AlutInit\n");
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#endif
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}
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void closeal()
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{
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#ifdef USE_OPENAL
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alutExit();
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#endif
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}
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void check()
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{
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#ifdef USE_OPENAL
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ALenum error;
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if ((error = alGetError()) != AL_NO_ERROR)
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{
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// printf("Error : %08X\n", error);
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// exit(-1);
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}
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#endif
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}
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void inital()
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{
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#ifdef USE_OPENAL
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int c;
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int16_t buf[BUFLEN*2];
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format = AL_FORMAT_STEREO16;
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// printf("1\n");
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check();
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// printf("2\n");
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alGenBuffers(4, buffers);
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check();
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// printf("3\n");
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alGenSources(1, &source);
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check();
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// printf("4\n");
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alSource3f(source, AL_POSITION, 0.0, 0.0, 0.0);
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alSource3f(source, AL_VELOCITY, 0.0, 0.0, 0.0);
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alSource3f(source, AL_DIRECTION, 0.0, 0.0, 0.0);
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alSourcef (source, AL_ROLLOFF_FACTOR, 0.0 );
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alSourcei (source, AL_SOURCE_RELATIVE, AL_TRUE );
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check();
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memset(buf,0,BUFLEN*4);
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// printf("5\n");
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for (c=0;c<4;c++)
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alBufferData(buffers[c], AL_FORMAT_STEREO16, buf, BUFLEN*2*2, FREQ);
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alSourceQueueBuffers(source, 4, buffers);
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check();
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// printf("6 %08X\n",source);
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alSourcePlay(source);
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check();
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// printf("InitAL!!! %08X\n",source);
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#endif
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}
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void givealbuffer(int16_t *buf)
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{
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#ifdef USE_OPENAL
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int processed;
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int state;
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//return;
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// printf("Start\n");
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check();
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// printf("GiveALBuffer %08X\n",source);
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alGetSourcei(source, AL_SOURCE_STATE, &state);
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check();
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if (state==0x1014)
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{
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alSourcePlay(source);
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// printf("Resetting sound\n");
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}
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// printf("State - %i %08X\n",state,state);
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alGetSourcei(source, AL_BUFFERS_PROCESSED, &processed);
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// printf("P ");
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check();
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// printf("Processed - %i\n",processed);
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if (processed>=1)
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{
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ALuint buffer;
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alSourceUnqueueBuffers(source, 1, &buffer);
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// printf("U ");
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check();
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// for (c=0;c<BUFLEN*2;c++) buf[c]^=0x8000;
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alBufferData(buffer, AL_FORMAT_STEREO16, buf, BUFLEN*2*2, FREQ);
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// printf("B ");
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check();
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alSourceQueueBuffers(source, 1, &buffer);
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// printf("Q ");
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check();
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// printf("\n");
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// if (!allog) allog=fopen("al.pcm","wb");
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// fwrite(buf,BUFLEN*2,1,allog);
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}
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// printf("\n");
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#endif
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}
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