From 266ad848cfe0b3f648752ad76d70965c4494ce40 Mon Sep 17 00:00:00 2001 From: Aaron Giles Date: Tue, 14 Sep 2010 01:16:38 +0000 Subject: [PATCH] Removed obsolete code detected by the dependency analyzer. --- .gitattributes | 1 - src/mame/audio/attckufo.c | 279 -------------------------------------- src/mame/video/midtunit.c | 6 - 3 files changed, 286 deletions(-) delete mode 100644 src/mame/audio/attckufo.c diff --git a/.gitattributes b/.gitattributes index 601eee91ba9..cc3d28df887 100644 --- a/.gitattributes +++ b/.gitattributes @@ -1250,7 +1250,6 @@ src/mame/audio/astrof.c svneol=native#text/plain src/mame/audio/atarifb.c svneol=native#text/plain src/mame/audio/atarijsa.c svneol=native#text/plain src/mame/audio/atarijsa.h svneol=native#text/plain -src/mame/audio/attckufo.c svneol=native#text/plain src/mame/audio/avalnche.c svneol=native#text/plain src/mame/audio/aztarac.c svneol=native#text/plain src/mame/audio/blockade.c svneol=native#text/plain diff --git a/src/mame/audio/attckufo.c b/src/mame/audio/attckufo.c deleted file mode 100644 index e338cf557fa..00000000000 --- a/src/mame/audio/attckufo.c +++ /dev/null @@ -1,279 +0,0 @@ -/*************************************************************************** - - Attack ufo sound emulation - based on MOS 6560 emulator by - PeT mess@utanet.at - -***************************************************************************/ - -#include "emu.h" -#include "streams.h" -#include "includes/attckufo.h" - -/* - * assumed model: - * each write to a ton/noise generated starts it new - * each generator behaves like an timer - * when it reaches 0, the next samplevalue is given out - */ - -/* - * noise channel - * based on a document by diku0748@diku.dk (Asger Alstrup Nielsen) - * - * 23 bit shift register - * initial value (0x7ffff8) - * after shift bit 0 is set to bit 22 xor bit 17 - * dac sample bit22 bit20 bit16 bit13 bit11 bit7 bit4 bit2(lsb) - * - * emulation: - * allocate buffer for 5 sec sampledata (fastest played frequency) - * and fill this buffer in init with the required sample - * fast turning off channel, immediate change of frequency - */ - -#define NOISE_BUFFER_SIZE_SEC 5 - - -#define TONE1_ON (attckufo_regs[0xa]&0x80) -#define TONE2_ON (attckufo_regs[0xb]&0x80) -#define TONE3_ON (attckufo_regs[0xc]&0x80) -#define NOISE_ON (attckufo_regs[0xd]&0x80) -#define VOLUME (attckufo_regs[0xe]&0x0f) - -#define OUTPUT_RATE (14318181/14/32) - -#define TONE_FREQUENCY_MIN ((14318181/14)/256/128) -#define TONE1_VALUE (8*(128-((attckufo_regs[0xa]+1)&0x7f))) -#define TONE1_FREQUENCY ((14318181/14)/32/TONE1_VALUE) -#define TONE2_VALUE (4*(128-((attckufo_regs[0xb]+1)&0x7f))) -#define TONE2_FREQUENCY ((14318181/14)/32/TONE2_VALUE) -#define TONE3_VALUE (2*(128-((attckufo_regs[0xc]+1)&0x7f))) -#define TONE3_FREQUENCY ((14318181/14)/32/TONE3_VALUE) -#define NOISE_VALUE (32*(128-((attckufo_regs[0xd]+1)&0x7f))) -#define NOISE_FREQUENCY ((14318181/14)/NOISE_VALUE) -#define NOISE_FREQUENCY_MAX ((14318181/14)/32/1) - -static int tone1pos = 0, tone2pos = 0, tone3pos = 0; -static int tonesize, tone1samples, tone2samples, tone3samples; -static int noisesize, /* number of samples */ - noisepos, /* pos of tone */ - noisesamples; /* count of samples to give out per tone */ - -static sound_stream *channel; -static INT16 *tone; - -static INT8 *noise; - -void attckufo_soundport_w (int offset, int data) -{ - int old = attckufo_regs[offset]; - stream_update(channel); - switch (offset) - { - case 0xa: - attckufo_regs[offset] = data; - if (!(old & 0x80) && TONE1_ON) - { - tone1pos = 0; - tone1samples = OUTPUT_RATE / TONE1_FREQUENCY; - if (tone1samples == 0) - tone1samples = 1; - } - - break; - case 0xb: - attckufo_regs[offset] = data; - if (!(old & 0x80) && TONE2_ON) - { - tone2pos = 0; - tone2samples = OUTPUT_RATE / TONE2_FREQUENCY; - if (tone2samples == 0) - tone2samples = 1; - } - - break; - case 0xc: - attckufo_regs[offset] = data; - if (!(old & 0x80) && TONE3_ON) - { - tone3pos = 0; - tone3samples = OUTPUT_RATE / TONE3_FREQUENCY; - if (tone2samples == 0) - tone2samples = 1; - } - - break; - case 0xd: - attckufo_regs[offset] = data; - if (NOISE_ON) - { - noisesamples = (int) ((double) NOISE_FREQUENCY_MAX * OUTPUT_RATE - * NOISE_BUFFER_SIZE_SEC / NOISE_FREQUENCY); - - if ((double) noisepos / noisesamples >= 1.0) - { - noisepos = 0; - } - } - else - { - noisepos = 0; - } - break; - case 0xe: - attckufo_regs[offset] = (old & ~0xf) | (data & 0xf); - - break; - } -} - -/************************************/ -/* Sound handler update */ -/************************************/ -static STREAM_UPDATE( attckufo_update ) -{ - int i, v; - stream_sample_t *buffer = outputs[0]; - - for (i = 0; i < samples; i++) - { - v = 0; - if (TONE1_ON /*||(tone1pos!=0) */ ) - { - v += tone[tone1pos * tonesize / tone1samples]; - tone1pos++; - - if (tone1pos >= tone1samples) - { - tone1pos = 0; - tone1samples = OUTPUT_RATE / TONE1_FREQUENCY; - if (tone1samples == 0) - tone1samples = 1; - } - - } - if (TONE2_ON ) - { - v += tone[tone2pos * tonesize / tone2samples]; - tone2pos++; - if (tone2pos >= tone2samples) - { - tone2pos = 0; - tone2samples = OUTPUT_RATE / TONE2_FREQUENCY; - if (tone2samples == 0) - tone2samples = 1; - } - - } - if (TONE3_ON ) - { - v += tone[tone3pos * tonesize / tone3samples]; - tone3pos++; - - if (tone3pos >= tone3samples) - { - tone3pos = 0; - tone3samples = OUTPUT_RATE / TONE3_FREQUENCY; - if (tone3samples == 0) - tone3samples = 1; - } - - } - if (NOISE_ON) - { - v += noise[(int) ((double) noisepos * noisesize / noisesamples)]; - noisepos++; - if ((double) noisepos / noisesamples >= 1.0) - { - noisepos = 0; - } - } - v = (v * VOLUME) << 2; - if (v > 32767) - buffer[i] = 32767; - else if (v < -32767) - buffer[i] = -32767; - else - buffer[i] = v; - - - - } -} - -/************************************/ -/* Sound handler start */ -/************************************/ - - -static DEVICE_START( attckufo_sound ) -{ - int i; - - channel = stream_create(device, 0, 1, OUTPUT_RATE, 0, attckufo_update); - - - /* buffer for fastest played sample for 5 second - * so we have enough data for min 5 second */ - noisesize = NOISE_FREQUENCY_MAX * NOISE_BUFFER_SIZE_SEC; - noisepos = 0; - noisesamples = 1; - noise = auto_alloc_array(device->machine, INT8, noisesize); - { - int noiseshift = 0x7ffff8; - char data; - - for (i = 0; i < noisesize; i++) - { - data = 0; - if (noiseshift & 0x400000) - data |= 0x80; - if (noiseshift & 0x100000) - data |= 0x40; - if (noiseshift & 0x010000) - data |= 0x20; - if (noiseshift & 0x002000) - data |= 0x10; - if (noiseshift & 0x000800) - data |= 0x08; - if (noiseshift & 0x000080) - data |= 0x04; - if (noiseshift & 0x000010) - data |= 0x02; - if (noiseshift & 0x000004) - data |= 0x01; - noise[i] = data; - if (((noiseshift & 0x400000) == 0) != ((noiseshift & 0x002000) == 0)) - noiseshift = (noiseshift << 1) | 1; - else - noiseshift <<= 1; - } - } - tonesize = OUTPUT_RATE / TONE_FREQUENCY_MIN; - tone1pos = tone2pos = tone3pos = 0; - tone1samples = tone2samples = tone3samples = 1; - - tone = auto_alloc_array(device->machine, INT16, tonesize); - - for (i = 0; i < tonesize; i++) - { - tone[i] = (INT16)(sin (2 * M_PI * i / tonesize) * 127 + 0.5); - } -} - - -DEVICE_GET_INFO( attckufo_sound ) -{ - switch (state) - { - /* --- the following bits of info are returned as pointers to data or functions --- */ - case DEVINFO_FCT_START: info->start = DEVICE_START_NAME(attckufo_sound);break; - - /* --- the following bits of info are returned as NULL-terminated strings --- */ - case DEVINFO_STR_NAME: strcpy(info->s, "Attack Ufo Custom"); break; - case DEVINFO_STR_SOURCE_FILE: strcpy(info->s, __FILE__); break; - } -} - - diff --git a/src/mame/video/midtunit.c b/src/mame/video/midtunit.c index dee10d13b6c..a408358d41f 100644 --- a/src/mame/video/midtunit.c +++ b/src/mame/video/midtunit.c @@ -570,12 +570,6 @@ static const dma_draw_func prefix[32] = \ }; -/* allow for custom blitters */ -#ifdef midtunit_CUSTOM_BLITTERS -#include "midtblit.c" -#endif - - /*** blitter family declarations ***/ DECLARE_BLITTER_SET(dma_draw_skip_scale, dma_state.bpp, EXTRACTGEN, SKIP_YES, SCALE_YES) DECLARE_BLITTER_SET(dma_draw_noskip_scale, dma_state.bpp, EXTRACTGEN, SKIP_NO, SCALE_YES)