1 files changed, 0 insertions, 232 deletions
diff --git a/engines/sci/sfx/softseq/SN76496.cpp b/engines/sci/sfx/softseq/SN76496.cpp
deleted file mode 100644
index f6892d37d5..0000000000
--- a/engines/sci/sfx/softseq/SN76496.cpp
+++ /dev/null
@@ -1,232 +0,0 @@
-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * $URL$
- * $Id$
- *
- */
-
-/* Tandy/PCJr sequencer for SCI */
-
-#include "sci/sfx/softseq.h"
-#include "sci/sfx/sci_midi.h"
-
-namespace Sci {
-
-#define FREQUENCY 44100
-#define CHANNELS_NR 3
-#define VOLUME_SHIFT 3
-
-static int global_volume = 100; /* Base volume */
-static int volumes[CHANNELS_NR] = { 100, 100, 100 };
-static int notes[CHANNELS_NR] = {0, 0, 0}; /* Current halftone, or 0 if off */
-static int freq_count[CHANNELS_NR] = {0, 0, 0};
-static int channel_assigner = 0;
-static int channels_assigned = 0;
-static int chan_nrs[CHANNELS_NR] = { -1, -1, -1};
-
-extern sfx_softseq_t sfx_softseq_pcspeaker;
-/* Forward-declare the sequencer we are defining here */
-
-
-static Common::Error SN76496_set_option(sfx_softseq_t *self, const char *name, const char *value) {
-	return Common::kUnknownError;
-}
-
-static Common::Error SN76496_init(sfx_softseq_t *self, byte *patch, int patch_len, byte *patch2,
-	int patch2_len) {
-	return Common::kNoError;
-}
-
-static void SN76496_exit(sfx_softseq_t *self) {
-}
-
-static void SN76496_event(sfx_softseq_t *self, byte command, int argc, byte *argv) {
-	int i;
-	int chan = -1;
-#if 0
-	fprintf(stderr, "Note [%02x : %02x %02x]\n", command,  argc ? argv[0] : 0, (argc > 1) ? argv[1] : 0);
-#endif
-	if ((command & 0xe0) == 0x80) {
-		int chan_nr = command & 0xf;
-
-		/* First, test for channel having been assigned already */
-		if (channels_assigned & (1 << chan_nr)) {
-			/* Already assigned this channel number: */
-			for (i = 0; i < CHANNELS_NR; i++)
-				if (chan_nrs[i] == chan_nr) {
-					chan = i;
-					break;
-				}
-		} else {
-			/* Assign new channel round-robin */
-
-			/* Mark channel as unused: */
-			if (chan_nrs[channel_assigner] >= 0)
-				channels_assigned &= ~(1 << chan_nrs[channel_assigner]);
-
-			/* Remember channel: */
-			chan_nrs[channel_assigner] = chan_nr;
-			/* Mark channel as used */
-			channels_assigned |= (1 << chan_nrs[channel_assigner]);
-
-			/* Save channel for use later in this call: */
-			chan = channel_assigner;
-			/* Round-ropin iterate channel assigner: */
-			channel_assigner = (channel_assigner + 1) % CHANNELS_NR;
-		}
-	}
-#if 0
-	fprintf(stderr, " --> %d [%04x], {%d,%d,%d}@%d\n", chan,
-	        channels_assigned, chan_nrs[0], chan_nrs[1], chan_nrs[2], channel_assigner);
-#endif
-
-	switch (command & 0xf0) {
-
-	case 0x80:
-		if (argv[0] == notes[chan])
-			notes[chan] = 0;
-		break;
-
-	case 0x90:
-		if (!argv[1]) {
-			if (argv[chan] == notes[chan])
-				notes[chan] = 0;
-		} else {
-			notes[chan] = argv[0];
-			volumes[chan] = argv[1];
-		}
-		break;
-
-	case 0xb0:
-		if (argv[1] == SCI_MIDI_CHANNEL_NOTES_OFF)
-			notes[chan] = 0;
-		break;
-
-
-	default:
-#if DEBUG
-		fprintf(stderr, "[SFX:PCM-PC] Unused MIDI command %02x %02x %02x\n", command, argc ? argv[0] : 0, (argc > 1) ? argv[1] : 0);
-#endif
-		break; /* ignore */
-	}
-}
-
-#define BASE_NOTE 129	/* A10 */
-#define BASE_OCTAVE 10	/* A10, as I said */
-
-static int freq_table[12] = { /* A4 is 440Hz, halftone map is x |-> ** 2^(x/12) */
-	28160, /* A10 */
-	29834,
-	31608,
-	33488,
-	35479,
-	37589,
-	39824,
-	42192,
-	44701,
-	47359,
-	50175,
-	53159
-};
-
-static int get_freq(int note) {
-	int halftone_delta = note - BASE_NOTE;
-	int oct_diff = ((halftone_delta + BASE_OCTAVE * 12) / 12) - BASE_OCTAVE;
-	int halftone_index = (halftone_delta + (12 * 100)) % 12 ;
-	int freq = (!note) ? 0 : freq_table[halftone_index] / (1 << (-oct_diff));
-
-	return freq;
-}
-
-
-void SN76496_poll(sfx_softseq_t *self, byte *dest, int len) {
-	int16 *buf = (int16 *) dest;
-	int i;
-	int chan;
-	int freq[CHANNELS_NR];
-
-	for (chan = 0; chan < CHANNELS_NR; chan++)
-		freq[chan] = get_freq(notes[chan]);
-
-	for (i = 0; i < len; i++) {
-		int result = 0;
-
-		for (chan = 0; chan < CHANNELS_NR; chan++)
-			if (notes[chan]) {
-				int volume = (global_volume * volumes[chan])
-				             >> VOLUME_SHIFT;
-
-				freq_count[chan] += freq[chan];
-				while (freq_count[chan] >= (FREQUENCY << 1))
-					freq_count[chan] -= (FREQUENCY << 1);
-
-				if (freq_count[chan] - freq[chan] < 0) {
-					/* Unclean rising edge */
-					int l = volume << 1;
-					result += -volume + (l * freq_count[chan]) / freq[chan];
-				} else if (freq_count[chan] >= FREQUENCY
-				           && freq_count[chan] - freq[chan] < FREQUENCY) {
-					/* Unclean falling edge */
-					int l = volume << 1;
-					result += volume - (l * (freq_count[chan] - FREQUENCY)) / freq[chan];
-				} else {
-					if (freq_count[chan] < FREQUENCY)
-						result += volume;
-					else
-						result += -volume;
-				}
-			}
-		buf[i] = result;
-	}
-
-}
-
-void SN76496_allstop(sfx_softseq_t *self) {
-	int i;
-	for (i = 0; i < CHANNELS_NR; i++)
-		notes[i] = 0;
-}
-
-void SN76496_volume(sfx_softseq_t *self, int new_volume) {
-	global_volume = new_volume;
-}
-
-
-sfx_softseq_t sfx_softseq_SN76496 = {
-	"SN76496",
-	"0.1",
-	SN76496_set_option,
-	SN76496_init,
-	SN76496_exit,
-	SN76496_volume,
-	SN76496_event,
-	SN76496_poll,
-	SN76496_allstop,
-	NULL,
-	SFX_SEQ_PATCHFILE_NONE,
-	SFX_SEQ_PATCHFILE_NONE,
-	0x10,  /* Tandy/PCJr channels */
-	0, /* No rhythm channel */
-	3, /* # of voices */
-	{FREQUENCY, SFX_PCM_MONO, SFX_PCM_FORMAT_S16_NATIVE}
-};
-
-} // End of namespace Sci