1281 lines
46 KiB
C
1281 lines
46 KiB
C
#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#include <86box/86box.h>
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#include <86box/device.h>
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#include <86box/dma.h>
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#include <86box/filters.h>
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#include <86box/gameport.h>
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#include <86box/io.h>
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#include <86box/midi.h>
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#include <86box/timer.h>
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#include <86box/nvr.h>
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#include <86box/pic.h>
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#include <86box/sound.h>
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#include <86box/snd_opl.h>
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#include <86box/snd_ym7128.h>
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#include <86box/plat_unused.h>
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typedef struct adgold_t {
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int adgold_irq_status;
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int irq;
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int dma;
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uint8_t adgold_eeprom[0x1a];
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uint8_t adgold_status;
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int adgold_38x_state;
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int adgold_38x_addr;
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uint8_t adgold_38x_regs[0x1a];
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int adgold_mma_addr;
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uint8_t adgold_mma_regs[2][0xe];
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int adgold_mma_enable[2];
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uint8_t adgold_mma_fifo[2][256];
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int adgold_mma_fifo_start[2];
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int adgold_mma_fifo_end[2];
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uint8_t adgold_mma_status;
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int16_t adgold_mma_out[2];
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int adgold_mma_intpos[2];
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pc_timer_t adgold_mma_timer_count;
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uint8_t adgold_midi_ctrl;
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uint8_t midi_queue[16];
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int midi_r;
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int midi_w;
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int uart_in;
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int uart_out;
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int sysex;
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struct {
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int timer0_latch;
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int timer0_count;
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int timerbase_latch;
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int timerbase_count;
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int timer1_latch;
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int timer1_count;
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int timer2_latch;
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int timer2_count;
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int timer2_read;
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int voice_count[2];
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int voice_latch[2];
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} adgold_mma;
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fm_drv_t opl;
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ym7128_t ym7128;
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int fm_vol_l;
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int fm_vol_r;
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int samp_vol_l;
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int samp_vol_r;
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int aux_vol_l;
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int aux_vol_r;
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int vol_l;
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int vol_r;
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int treble;
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int bass;
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int16_t opl_buffer[SOUNDBUFLEN * 2];
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int16_t mma_buffer[2][SOUNDBUFLEN];
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int pos;
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int gameport_enabled;
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int surround_enabled;
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} adgold_t;
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static int attenuation[0x40];
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static int bass_attenuation[0x10] = {
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(int) (1.995 * 16384), /*12 dB - filter output is at +6 dB so we use 6 dB here*/
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(int) (1.995 * 16384),
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(int) (1.995 * 16384),
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(int) (1.413 * 16384), /*9 dB*/
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(int) (1 * 16384), /*6 dB*/
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(int) (0.708 * 16384), /*3 dB*/
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(int) (0 * 16384), /*0 dB*/
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(int) (0.708 * 16384), /*3 dB*/
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(int) (1 * 16384), /*6 dB*/
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(int) (1.413 * 16384), /*9 dB*/
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(int) (1.995 * 16384), /*12 dB*/
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(int) (2.819 * 16384), /*15 dB*/
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(int) (2.819 * 16384),
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(int) (2.819 * 16384),
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(int) (2.819 * 16384),
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(int) (2.819 * 16384)
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};
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static int bass_cut[6] = {
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(int) (0.126 * 16384), /*-12 dB*/
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(int) (0.126 * 16384), /*-12 dB*/
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(int) (0.126 * 16384), /*-12 dB*/
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(int) (0.178 * 16384), /*-9 dB*/
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(int) (0.251 * 16384), /*-6 dB*/
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(int) (0.354 * 16384) /*-3 dB - filter output is at +6 dB*/
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};
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static int treble_attenuation[0x10] = {
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(int) (1.995 * 16384), /*12 dB - filter output is at +6 dB so we use 6 dB here*/
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(int) (1.995 * 16384),
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(int) (1.995 * 16384),
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(int) (1.413 * 16384), /*9 dB*/
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(int) (1 * 16384), /*6 dB*/
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(int) (0.708 * 16384), /*3 dB*/
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(int) (0 * 16384), /*0 dB*/
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(int) (0.708 * 16384), /*3 dB*/
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(int) (1 * 16384), /*6 dB*/
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(int) (1.413 * 16384), /*9 dB*/
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(int) (1.995 * 16384), /*12 dB*/
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(int) (1.995 * 16384),
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(int) (1.995 * 16384),
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(int) (1.995 * 16384),
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(int) (1.995 * 16384),
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(int) (1.995 * 16384)
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};
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static int treble_cut[6] = {
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(int) (0.126 * 16384), /*-12 dB*/
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(int) (0.126 * 16384), /*-12 dB*/
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(int) (0.126 * 16384), /*-12 dB*/
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(int) (0.178 * 16384), /*-9 dB*/
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(int) (0.251 * 16384), /*-6 dB*/
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(int) (0.354 * 16384) /*-3 dB - filter output is at +6 dB*/
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};
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void adgold_timer_poll(void *priv);
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void adgold_update(adgold_t *adgold);
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void
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adgold_update_irq_status(adgold_t *adgold)
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{
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uint8_t temp = 0xf;
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if (!(adgold->adgold_mma_regs[0][8] & 0x10) && (adgold->adgold_mma_status & 0x10)) /*Timer 0*/
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temp &= ~2;
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if (!(adgold->adgold_mma_regs[0][8] & 0x20) && (adgold->adgold_mma_status & 0x20)) /*Timer 1*/
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temp &= ~2;
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if (!(adgold->adgold_mma_regs[0][8] & 0x40) && (adgold->adgold_mma_status & 0x40)) /*Timer 2*/
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temp &= ~2;
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if (!(adgold->adgold_mma_regs[0][0xd] & 0x01) && (adgold->adgold_mma_status & 0x04))
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temp &= ~2;
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if (!(adgold->adgold_mma_regs[0][0xd] & 0x04) && (adgold->adgold_mma_status & 0x08))
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temp &= ~2;
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if (!(adgold->adgold_mma_regs[0][0xd] & 0x10) && (adgold->adgold_mma_status & 0x80))
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temp &= ~2;
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if ((adgold->adgold_mma_status & 0x01) && !(adgold->adgold_mma_regs[0][0xc] & 2))
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temp &= ~2;
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if ((adgold->adgold_mma_status & 0x02) && !(adgold->adgold_mma_regs[1][0xc] & 2))
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temp &= ~2;
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adgold->adgold_status = temp;
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if ((adgold->adgold_status ^ 0xf) && !adgold->adgold_irq_status) {
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picint(1 << adgold->irq);
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}
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adgold->adgold_irq_status = adgold->adgold_status ^ 0xf;
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}
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int
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adgold_getsamp_dma(adgold_t *adgold, int channel)
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{
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int temp;
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dma_set_drq(adgold->dma, 1);
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if ((adgold->adgold_mma_regs[channel][0xc] & 0x60) && (((adgold->adgold_mma_fifo_end[channel] - adgold->adgold_mma_fifo_start[channel]) & 255) >= 127))
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return 2;
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temp = dma_channel_read(adgold->dma);
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if (temp == DMA_NODATA) {
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return 1;
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}
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adgold->adgold_mma_fifo[channel][adgold->adgold_mma_fifo_end[channel]] = temp;
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adgold->adgold_mma_fifo_end[channel] = (adgold->adgold_mma_fifo_end[channel] + 1) & 255;
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if (adgold->adgold_mma_regs[channel][0xc] & 0x60) {
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temp = dma_channel_read(adgold->dma);
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adgold->adgold_mma_fifo[channel][adgold->adgold_mma_fifo_end[channel]] = temp;
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adgold->adgold_mma_fifo_end[channel] = (adgold->adgold_mma_fifo_end[channel] + 1) & 255;
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}
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if (((adgold->adgold_mma_fifo_end[channel] - adgold->adgold_mma_fifo_start[channel]) & 255) >= adgold->adgold_mma_intpos[channel]) {
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adgold->adgold_mma_status &= ~(0x01 << channel);
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adgold_update_irq_status(adgold);
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dma_set_drq(adgold->dma, 0);
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}
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return 0;
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}
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void
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adgold_write(uint16_t addr, uint8_t val, void *priv)
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{
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adgold_t *adgold = (adgold_t *) priv;
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switch (addr & 7) {
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case 0:
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case 1:
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adgold->opl.write(addr, val, adgold->opl.priv);
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break;
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case 2:
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if (val == 0xff) {
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adgold->adgold_38x_state = 1;
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return;
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}
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if (val == 0xfe) {
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adgold->adgold_38x_state = 0;
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return;
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}
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if (adgold->adgold_38x_state) /*Write to control chip*/
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adgold->adgold_38x_addr = val;
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else
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adgold->opl.write(addr, val, adgold->opl.priv);
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break;
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case 3:
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if (adgold->adgold_38x_state) {
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if (adgold->adgold_38x_addr >= 0x19)
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break;
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switch (adgold->adgold_38x_addr) {
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case 0x00: /*Control/ID*/
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if (val & 1)
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memcpy(adgold->adgold_38x_regs, adgold->adgold_eeprom, 0x1a);
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if (val & 2)
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memcpy(adgold->adgold_eeprom, adgold->adgold_38x_regs, 0x1a);
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break;
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case 0x04: /*Final output volume left*/
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adgold->adgold_38x_regs[0x04] = val;
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adgold->vol_l = attenuation[val & 0x3f];
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break;
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case 0x05: /*Final output volume right*/
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adgold->adgold_38x_regs[0x05] = val;
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adgold->vol_r = attenuation[val & 0x3f];
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break;
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case 0x06: /*Bass*/
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adgold->adgold_38x_regs[0x06] = val;
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adgold->bass = val & 0xf;
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break;
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case 0x07: /*Treble*/
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adgold->adgold_38x_regs[0x07] = val;
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adgold->treble = val & 0xf;
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break;
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case 0x09: /*FM volume left*/
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adgold->adgold_38x_regs[0x09] = val;
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adgold->fm_vol_l = (int) (int8_t) (val - 128);
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break;
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case 0x0a: /*FM volume right*/
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adgold->adgold_38x_regs[0x0a] = val;
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adgold->fm_vol_r = (int) (int8_t) (val - 128);
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break;
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case 0x0b: /*Sample volume left*/
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adgold->adgold_38x_regs[0x0b] = val;
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adgold->samp_vol_l = (int) (int8_t) (val - 128);
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break;
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case 0x0c: /*Sample volume right*/
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adgold->adgold_38x_regs[0x0c] = val;
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adgold->samp_vol_r = (int) (int8_t) (val - 128);
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break;
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case 0x0d: /*Aux volume left*/
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adgold->adgold_38x_regs[0x0d] = val;
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adgold->aux_vol_l = (int) (int8_t) (val - 128);
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break;
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case 0x0e: /*Aux volume right*/
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adgold->adgold_38x_regs[0x0e] = val;
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adgold->aux_vol_r = (int) (int8_t) (val - 128);
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break;
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case 0x18: /*Surround*/
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adgold->adgold_38x_regs[0x18] = val;
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ym7128_write(&adgold->ym7128, val);
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break;
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default:
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adgold->adgold_38x_regs[adgold->adgold_38x_addr] = val;
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break;
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}
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} else
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adgold->opl.write(addr, val, adgold->opl.priv);
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break;
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case 4:
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case 6:
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adgold->adgold_mma_addr = val;
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break;
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case 5:
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if (adgold->adgold_mma_addr >= 0xf)
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break;
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switch (adgold->adgold_mma_addr) {
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case 0x2:
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adgold->adgold_mma.timer0_latch = (adgold->adgold_mma.timer0_latch & 0xff00) | val;
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break;
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case 0x3:
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adgold->adgold_mma.timer0_latch = (adgold->adgold_mma.timer0_latch & 0xff) | (val << 8);
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break;
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case 0x4:
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adgold->adgold_mma.timerbase_latch = (adgold->adgold_mma.timerbase_latch & 0xf00) | val;
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break;
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case 0x5:
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adgold->adgold_mma.timerbase_latch = (adgold->adgold_mma.timerbase_latch & 0xff) | ((val & 0xf) << 8);
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adgold->adgold_mma.timer1_latch = val >> 4;
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break;
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case 0x6:
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adgold->adgold_mma.timer2_latch = (adgold->adgold_mma.timer2_latch & 0xff00) | val;
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break;
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case 0x7:
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adgold->adgold_mma.timer2_latch = (adgold->adgold_mma.timer2_latch & 0xff) | (val << 8);
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break;
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case 0x8:
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if ((val & 1) && !(adgold->adgold_mma_regs[0][8] & 1)) /*Reload timer 0*/
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adgold->adgold_mma.timer0_count = adgold->adgold_mma.timer0_latch;
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if ((val & 2) && !(adgold->adgold_mma_regs[0][8] & 2)) /*Reload timer 1*/
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adgold->adgold_mma.timer1_count = adgold->adgold_mma.timer1_latch;
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if ((val & 4) && !(adgold->adgold_mma_regs[0][8] & 4)) /*Reload timer 2*/
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adgold->adgold_mma.timer2_count = adgold->adgold_mma.timer2_latch;
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if ((val & 8) && !(adgold->adgold_mma_regs[0][8] & 8)) /*Reload base timer*/
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adgold->adgold_mma.timerbase_count = adgold->adgold_mma.timerbase_latch;
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break;
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case 0x9:
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switch (val & 0x18) {
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case 0x00:
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adgold->adgold_mma.voice_latch[0] = 12;
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break; /*44100 Hz*/
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case 0x08:
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adgold->adgold_mma.voice_latch[0] = 24;
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break; /*22050 Hz*/
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case 0x10:
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adgold->adgold_mma.voice_latch[0] = 48;
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break; /*11025 Hz*/
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case 0x18:
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adgold->adgold_mma.voice_latch[0] = 72;
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break; /* 7350 Hz*/
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default:
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break;
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}
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if (val & 0x80) {
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adgold->adgold_mma_enable[0] = 0;
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adgold->adgold_mma_fifo_end[0] = adgold->adgold_mma_fifo_start[0] = 0;
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adgold->adgold_mma_status &= ~0x01;
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adgold_update_irq_status(adgold);
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dma_set_drq(adgold->dma, 0);
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}
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if (val & 0x01) /*Start playback*/
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{
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if (!(adgold->adgold_mma_regs[0][0x9] & 1))
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adgold->adgold_mma.voice_count[0] = adgold->adgold_mma.voice_latch[0];
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if (adgold->adgold_mma_regs[0][0xc] & 1) {
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if (adgold->adgold_mma_regs[0][0xc] & 0x80) {
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adgold->adgold_mma_enable[1] = 1;
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adgold->adgold_mma.voice_count[1] = adgold->adgold_mma.voice_latch[1];
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while (((adgold->adgold_mma_fifo_end[0] - adgold->adgold_mma_fifo_start[0]) & 255) < 128) {
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if (adgold_getsamp_dma(adgold, 0)) {
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adgold->adgold_mma_fifo_end[0] = 0;
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adgold->adgold_mma_fifo_start[0] = 0;
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break;
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}
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if (adgold_getsamp_dma(adgold, 1)) {
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adgold->adgold_mma_fifo_end[1] = 0;
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adgold->adgold_mma_fifo_start[1] = 0;
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break;
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}
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}
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if (((adgold->adgold_mma_fifo_end[0] - adgold->adgold_mma_fifo_start[0]) & 255) >= adgold->adgold_mma_intpos[0]) {
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adgold->adgold_mma_status &= ~0x01;
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adgold_update_irq_status(adgold);
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dma_set_drq(adgold->dma, 0);
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}
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if (((adgold->adgold_mma_fifo_end[1] - adgold->adgold_mma_fifo_start[1]) & 255) >= adgold->adgold_mma_intpos[1]) {
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adgold->adgold_mma_status &= ~0x02;
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adgold_update_irq_status(adgold);
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dma_set_drq(adgold->dma, 0);
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}
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} else {
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while (((adgold->adgold_mma_fifo_end[0] - adgold->adgold_mma_fifo_start[0]) & 255) < 128) {
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if (adgold_getsamp_dma(adgold, 0)) {
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adgold->adgold_mma_fifo_end[0] = 0;
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adgold->adgold_mma_fifo_start[0] = 0;
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break;
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}
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}
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if (((adgold->adgold_mma_fifo_end[0] - adgold->adgold_mma_fifo_start[0]) & 255) >= adgold->adgold_mma_intpos[0]) {
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adgold->adgold_mma_status &= ~0x01;
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adgold_update_irq_status(adgold);
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dma_set_drq(adgold->dma, 0);
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}
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}
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}
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}
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adgold->adgold_mma_enable[0] = val & 0x01;
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break;
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case 0xb:
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if (((adgold->adgold_mma_fifo_end[0] - adgold->adgold_mma_fifo_start[0]) & 255) < 128) {
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adgold->adgold_mma_fifo[0][adgold->adgold_mma_fifo_end[0]] = val;
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adgold->adgold_mma_fifo_end[0] = (adgold->adgold_mma_fifo_end[0] + 1) & 255;
|
|
if (((adgold->adgold_mma_fifo_end[0] - adgold->adgold_mma_fifo_start[0]) & 255) >= adgold->adgold_mma_intpos[0]) {
|
|
adgold->adgold_mma_status &= ~0x01;
|
|
adgold_update_irq_status(adgold);
|
|
dma_set_drq(adgold->dma, 0);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0xc:
|
|
adgold->adgold_mma_intpos[0] = (7 - ((val >> 2) & 7)) * 8;
|
|
break;
|
|
|
|
case 0xd:
|
|
adgold->adgold_midi_ctrl = val & 0x3f;
|
|
|
|
if ((adgold->adgold_midi_ctrl & 0x0f) != 0x0f) {
|
|
if ((adgold->adgold_midi_ctrl & 0x0f) == 0x00) {
|
|
adgold->uart_out = 0;
|
|
adgold->uart_in = 0;
|
|
adgold->midi_w = 0;
|
|
adgold->midi_r = 0;
|
|
adgold->adgold_mma_status &= ~0x8c;
|
|
} else {
|
|
if (adgold->adgold_midi_ctrl & 0x01)
|
|
adgold->uart_in = 1;
|
|
if (adgold->adgold_midi_ctrl & 0x04)
|
|
adgold->uart_out = 1;
|
|
if (adgold->adgold_midi_ctrl & 0x02) {
|
|
adgold->uart_in = 0;
|
|
adgold->midi_w = 0;
|
|
adgold->midi_r = 0;
|
|
}
|
|
if (adgold->adgold_midi_ctrl & 0x08)
|
|
adgold->uart_out = 0;
|
|
adgold->adgold_mma_status &= ~0x80;
|
|
}
|
|
} else
|
|
adgold->adgold_mma_status &= ~0x8c;
|
|
|
|
adgold_update_irq_status(adgold);
|
|
break;
|
|
|
|
case 0xe:
|
|
if (adgold->uart_out) {
|
|
midi_raw_out_byte(val);
|
|
|
|
adgold->adgold_mma_status &= ~0x08;
|
|
adgold_update_irq_status(adgold);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
adgold->adgold_mma_regs[0][adgold->adgold_mma_addr] = val;
|
|
break;
|
|
case 7:
|
|
if (adgold->adgold_mma_addr >= 0xe)
|
|
break;
|
|
switch (adgold->adgold_mma_addr) {
|
|
case 0x9:
|
|
adgold_update(adgold);
|
|
switch (val & 0x18) {
|
|
case 0x00:
|
|
adgold->adgold_mma.voice_latch[1] = 12;
|
|
break; /*44100 Hz*/
|
|
case 0x08:
|
|
adgold->adgold_mma.voice_latch[1] = 24;
|
|
break; /*22050 Hz*/
|
|
case 0x10:
|
|
adgold->adgold_mma.voice_latch[1] = 48;
|
|
break; /*11025 Hz*/
|
|
case 0x18:
|
|
adgold->adgold_mma.voice_latch[1] = 72;
|
|
break; /* 7350 Hz*/
|
|
|
|
default:
|
|
break;
|
|
}
|
|
if (val & 0x80) {
|
|
adgold->adgold_mma_enable[1] = 0;
|
|
adgold->adgold_mma_fifo_end[1] = adgold->adgold_mma_fifo_start[1] = 0;
|
|
adgold->adgold_mma_status &= ~0x02;
|
|
adgold_update_irq_status(adgold);
|
|
dma_set_drq(adgold->dma, 0);
|
|
}
|
|
if (val & 0x01) /*Start playback*/
|
|
{
|
|
if (!(adgold->adgold_mma_regs[1][0x9] & 1))
|
|
adgold->adgold_mma.voice_count[1] = adgold->adgold_mma.voice_latch[1];
|
|
|
|
if (adgold->adgold_mma_regs[1][0xc] & 1) {
|
|
while (((adgold->adgold_mma_fifo_end[1] - adgold->adgold_mma_fifo_start[1]) & 255) < 128) {
|
|
if (adgold_getsamp_dma(adgold, 1)) {
|
|
adgold->adgold_mma_fifo_end[1] = 0;
|
|
adgold->adgold_mma_fifo_start[1] = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
adgold->adgold_mma_enable[1] = val & 0x01;
|
|
break;
|
|
|
|
case 0xb:
|
|
if (((adgold->adgold_mma_fifo_end[1] - adgold->adgold_mma_fifo_start[1]) & 255) < 128) {
|
|
adgold->adgold_mma_fifo[1][adgold->adgold_mma_fifo_end[1]] = val;
|
|
adgold->adgold_mma_fifo_end[1] = (adgold->adgold_mma_fifo_end[1] + 1) & 255;
|
|
if (((adgold->adgold_mma_fifo_end[1] - adgold->adgold_mma_fifo_start[1]) & 255) >= adgold->adgold_mma_intpos[1]) {
|
|
adgold->adgold_mma_status &= ~0x02;
|
|
adgold_update_irq_status(adgold);
|
|
dma_set_drq(adgold->dma, 0);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 0xc:
|
|
adgold->adgold_mma_intpos[1] = (7 - ((val >> 2) & 7)) * 8;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
adgold->adgold_mma_regs[1][adgold->adgold_mma_addr] = val;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
uint8_t
|
|
adgold_read(uint16_t addr, void *priv)
|
|
{
|
|
adgold_t *adgold = (adgold_t *) priv;
|
|
uint8_t temp = 0;
|
|
|
|
switch (addr & 7) {
|
|
case 0:
|
|
case 1:
|
|
temp = adgold->opl.read(addr, adgold->opl.priv);
|
|
break;
|
|
|
|
case 2:
|
|
if (adgold->adgold_38x_state) /*Read from control chip*/
|
|
temp = adgold->adgold_status;
|
|
else
|
|
temp = adgold->opl.read(addr, adgold->opl.priv);
|
|
break;
|
|
|
|
case 3:
|
|
if (adgold->adgold_38x_state) {
|
|
if (adgold->adgold_38x_addr >= 0x19)
|
|
temp = 0xff;
|
|
switch (adgold->adgold_38x_addr) {
|
|
case 0x00: /*Control/ID*/
|
|
if (adgold->surround_enabled)
|
|
temp = 0x51; /*8-bit ISA, surround module, no telephone/CD-ROM*/
|
|
else
|
|
temp = 0x71; /*8-bit ISA, no telephone/surround/CD-ROM*/
|
|
break;
|
|
|
|
default:
|
|
temp = adgold->adgold_38x_regs[adgold->adgold_38x_addr];
|
|
break;
|
|
}
|
|
} else
|
|
temp = adgold->opl.read(addr, adgold->opl.priv);
|
|
break;
|
|
|
|
case 4:
|
|
case 6:
|
|
temp = adgold->adgold_mma_status;
|
|
adgold->adgold_mma_status &= ~0xf3; /*JUKEGOLD expects timer status flags to auto-clear*/
|
|
adgold_update_irq_status(adgold);
|
|
picintc(1 << adgold->irq);
|
|
break;
|
|
case 5:
|
|
if (adgold->adgold_mma_addr >= 0xf)
|
|
temp = 0xff;
|
|
switch (adgold->adgold_mma_addr) {
|
|
case 6: /*Timer 2 low*/
|
|
adgold->adgold_mma.timer2_read = adgold->adgold_mma.timer2_count;
|
|
adgold->adgold_mma_status |= 0x40;
|
|
temp = adgold->adgold_mma.timer2_read & 0xff;
|
|
break;
|
|
case 7: /*Timer 2 high*/
|
|
temp = adgold->adgold_mma.timer2_read >> 8;
|
|
break;
|
|
|
|
case 0xe:
|
|
temp = 0;
|
|
if (adgold->uart_in) {
|
|
temp = adgold->midi_queue[adgold->midi_r];
|
|
if (adgold->midi_r != adgold->midi_w) {
|
|
adgold->midi_r++;
|
|
adgold->midi_r &= 0x0f;
|
|
}
|
|
adgold->adgold_mma_status &= ~0x04;
|
|
adgold_update_irq_status(adgold);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
temp = adgold->adgold_mma_regs[0][adgold->adgold_mma_addr];
|
|
break;
|
|
}
|
|
break;
|
|
case 7:
|
|
if (adgold->adgold_mma_addr >= 0xf)
|
|
temp = 0xff;
|
|
else
|
|
temp = adgold->adgold_mma_regs[1][adgold->adgold_mma_addr];
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return temp;
|
|
}
|
|
|
|
void
|
|
adgold_update(adgold_t *adgold)
|
|
{
|
|
for (; adgold->pos < sound_pos_global; adgold->pos++) {
|
|
adgold->mma_buffer[0][adgold->pos] = adgold->mma_buffer[1][adgold->pos] = 0;
|
|
|
|
if (adgold->adgold_mma_regs[0][9] & 0x20)
|
|
adgold->mma_buffer[0][adgold->pos] += adgold->adgold_mma_out[0] / 2;
|
|
if (adgold->adgold_mma_regs[0][9] & 0x40)
|
|
adgold->mma_buffer[1][adgold->pos] += adgold->adgold_mma_out[0] / 2;
|
|
|
|
if (adgold->adgold_mma_regs[1][9] & 0x20)
|
|
adgold->mma_buffer[0][adgold->pos] += adgold->adgold_mma_out[1] / 2;
|
|
if (adgold->adgold_mma_regs[1][9] & 0x40)
|
|
adgold->mma_buffer[1][adgold->pos] += adgold->adgold_mma_out[1] / 2;
|
|
}
|
|
}
|
|
|
|
void
|
|
adgold_mma_poll(adgold_t *adgold, int channel)
|
|
{
|
|
int16_t dat;
|
|
|
|
adgold_update(adgold);
|
|
|
|
if (adgold->adgold_mma_fifo_start[channel] != adgold->adgold_mma_fifo_end[channel]) {
|
|
switch (adgold->adgold_mma_regs[channel][0xc] & 0x60) {
|
|
case 0x00: /*8-bit*/
|
|
dat = adgold->adgold_mma_fifo[channel][adgold->adgold_mma_fifo_start[channel]] * 256;
|
|
adgold->adgold_mma_out[channel] = dat;
|
|
adgold->adgold_mma_fifo_start[channel] = (adgold->adgold_mma_fifo_start[channel] + 1) & 255;
|
|
break;
|
|
|
|
case 0x40: /*12-bit sensible format*/
|
|
if (((adgold->adgold_mma_fifo_end[channel] - adgold->adgold_mma_fifo_start[channel]) & 255) < 2)
|
|
return;
|
|
|
|
dat = adgold->adgold_mma_fifo[channel][adgold->adgold_mma_fifo_start[channel]] & 0xf0;
|
|
adgold->adgold_mma_fifo_start[channel] = (adgold->adgold_mma_fifo_start[channel] + 1) & 255;
|
|
dat |= (adgold->adgold_mma_fifo[channel][adgold->adgold_mma_fifo_start[channel]] << 8);
|
|
adgold->adgold_mma_fifo_start[channel] = (adgold->adgold_mma_fifo_start[channel] + 1) & 255;
|
|
adgold->adgold_mma_out[channel] = dat;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (adgold->adgold_mma_regs[channel][0xc] & 1) {
|
|
if (adgold_getsamp_dma(adgold, channel)) {
|
|
adgold->adgold_mma_fifo_end[channel] = 0;
|
|
adgold->adgold_mma_fifo_start[channel] = 0;
|
|
return;
|
|
}
|
|
}
|
|
if (((adgold->adgold_mma_fifo_end[channel] - adgold->adgold_mma_fifo_start[channel]) & 255) < adgold->adgold_mma_intpos[channel] && !(adgold->adgold_mma_status & 0x01)) {
|
|
adgold->adgold_mma_status |= (1 << channel);
|
|
adgold_update_irq_status(adgold);
|
|
}
|
|
}
|
|
if (adgold->adgold_mma_fifo_start[channel] == adgold->adgold_mma_fifo_end[channel]) {
|
|
adgold->adgold_mma_enable[channel] = 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
adgold_timer_poll(void *priv)
|
|
{
|
|
adgold_t *adgold = (adgold_t *) priv;
|
|
|
|
/*A small timer period will result in hangs.*/
|
|
timer_advance_u64(&adgold->adgold_mma_timer_count, (uint64_t) ((double) TIMER_USEC * 1.88964));
|
|
|
|
if (adgold->adgold_midi_ctrl & 0x3f) {
|
|
if ((adgold->adgold_midi_ctrl & 0x3f) != 0x3f) {
|
|
if (adgold->uart_out)
|
|
adgold->adgold_mma_status |= 0x08;
|
|
if (adgold->adgold_midi_ctrl & 0x10)
|
|
adgold->adgold_mma_status |= 0x80;
|
|
}
|
|
adgold_update_irq_status(adgold);
|
|
}
|
|
|
|
if (adgold->adgold_mma_regs[0][8] & 0x01) /*Timer 0*/
|
|
{
|
|
adgold->adgold_mma.timer0_count--;
|
|
if (!adgold->adgold_mma.timer0_count) {
|
|
adgold->adgold_mma.timer0_count = adgold->adgold_mma.timer0_latch;
|
|
adgold->adgold_mma_status |= 0x10;
|
|
adgold_update_irq_status(adgold);
|
|
}
|
|
}
|
|
if (adgold->adgold_mma_regs[0][8] & 0x08) /*Base timer*/
|
|
{
|
|
adgold->adgold_mma.timerbase_count--;
|
|
if (!adgold->adgold_mma.timerbase_count) {
|
|
adgold->adgold_mma.timerbase_count = adgold->adgold_mma.timerbase_latch;
|
|
if (adgold->adgold_mma_regs[0][8] & 0x02) /*Timer 1*/
|
|
{
|
|
adgold->adgold_mma.timer1_count--;
|
|
if (!adgold->adgold_mma.timer1_count) {
|
|
adgold->adgold_mma.timer1_count = adgold->adgold_mma.timer1_latch;
|
|
adgold->adgold_mma_status |= 0x20;
|
|
adgold_update_irq_status(adgold);
|
|
}
|
|
}
|
|
if (adgold->adgold_mma_regs[0][8] & 0x04) /*Timer 2*/
|
|
{
|
|
adgold->adgold_mma.timer2_count--;
|
|
if (!adgold->adgold_mma.timer2_count) {
|
|
adgold->adgold_mma.timer2_count = adgold->adgold_mma.timer2_latch;
|
|
adgold->adgold_mma_status |= 0x40;
|
|
adgold_update_irq_status(adgold);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (adgold->adgold_mma_enable[0]) {
|
|
adgold->adgold_mma.voice_count[0]--;
|
|
if (!adgold->adgold_mma.voice_count[0]) {
|
|
adgold->adgold_mma.voice_count[0] = adgold->adgold_mma.voice_latch[0];
|
|
adgold_mma_poll(adgold, 0);
|
|
}
|
|
}
|
|
if (adgold->adgold_mma_enable[1]) {
|
|
adgold->adgold_mma.voice_count[1]--;
|
|
if (!adgold->adgold_mma.voice_count[1]) {
|
|
adgold->adgold_mma.voice_count[1] = adgold->adgold_mma.voice_latch[1];
|
|
adgold_mma_poll(adgold, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
adgold_get_buffer(int32_t *buffer, int len, void *priv)
|
|
{
|
|
adgold_t *adgold = (adgold_t *) priv;
|
|
int16_t *adgold_buffer = malloc(sizeof(int16_t) * len * 2);
|
|
if (adgold_buffer == NULL)
|
|
fatal("adgold_buffer = NULL");
|
|
|
|
int c;
|
|
|
|
adgold_update(adgold);
|
|
|
|
for (c = 0; c < len * 2; c += 2) {
|
|
adgold_buffer[c] = ((adgold->mma_buffer[0][c >> 1] * adgold->samp_vol_l) >> 7) / 4;
|
|
adgold_buffer[c + 1] = ((adgold->mma_buffer[1][c >> 1] * adgold->samp_vol_r) >> 7) / 4;
|
|
}
|
|
|
|
if (adgold->surround_enabled)
|
|
ym7128_apply(&adgold->ym7128, adgold_buffer, len);
|
|
|
|
switch (adgold->adgold_38x_regs[0x8] & 6) {
|
|
case 0:
|
|
for (c = 0; c < len * 2; c++)
|
|
adgold_buffer[c] = 0;
|
|
break;
|
|
case 2: /*Left channel only*/
|
|
for (c = 0; c < len * 2; c += 2)
|
|
adgold_buffer[c + 1] = adgold_buffer[c];
|
|
break;
|
|
case 4: /*Right channel only*/
|
|
for (c = 0; c < len * 2; c += 2)
|
|
adgold_buffer[c] = adgold_buffer[c + 1];
|
|
break;
|
|
case 6: /*Left and right channels*/
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
switch (adgold->adgold_38x_regs[0x8] & 0x18) {
|
|
case 0x00: /*Forced mono*/
|
|
for (c = 0; c < len * 2; c += 2)
|
|
adgold_buffer[c] = adgold_buffer[c + 1] = ((int32_t) adgold_buffer[c] + (int32_t) adgold_buffer[c + 1]) / 2;
|
|
break;
|
|
case 0x08: /*Linear stereo*/
|
|
break;
|
|
case 0x10: /*Pseudo stereo*/
|
|
/*Filter left channel, leave right channel unchanged*/
|
|
/*Filter cutoff is largely a guess*/
|
|
for (c = 0; c < len * 2; c += 2)
|
|
adgold_buffer[c] += adgold_pseudo_stereo_iir(adgold_buffer[c]);
|
|
break;
|
|
case 0x18: /*Spatial stereo*/
|
|
/*Quite probably wrong, I only have the diagram in the TDA8425 datasheet
|
|
and a very vague understanding of how op-amps work to go on*/
|
|
for (c = 0; c < len * 2; c += 2) {
|
|
int16_t l = adgold_buffer[c];
|
|
int16_t r = adgold_buffer[c + 1];
|
|
|
|
adgold_buffer[c] += (r / 3) + ((l * 2) / 3);
|
|
adgold_buffer[c + 1] += (l / 3) + ((r * 2) / 3);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
for (c = 0; c < len * 2; c += 2) {
|
|
int32_t temp;
|
|
int32_t lowpass;
|
|
int32_t highpass;
|
|
|
|
/*Output is deliberately halved to avoid clipping*/
|
|
temp = ((int32_t) adgold_buffer[c] * adgold->vol_l) >> 17;
|
|
lowpass = adgold_lowpass_iir(0, 0, temp);
|
|
highpass = adgold_highpass_iir(0, 0, temp);
|
|
if (adgold->bass > 6)
|
|
temp += (lowpass * bass_attenuation[adgold->bass]) >> 14;
|
|
else if (adgold->bass < 6)
|
|
temp = highpass + ((temp * bass_cut[adgold->bass]) >> 14);
|
|
if (adgold->treble > 6)
|
|
temp += (highpass * treble_attenuation[adgold->treble]) >> 14;
|
|
else if (adgold->treble < 6)
|
|
temp = lowpass + ((temp * treble_cut[adgold->treble]) >> 14);
|
|
if (temp < -32768)
|
|
temp = -32768;
|
|
if (temp > 32767)
|
|
temp = 32767;
|
|
buffer[c] += temp;
|
|
|
|
temp = ((int32_t) adgold_buffer[c + 1] * adgold->vol_r) >> 17;
|
|
lowpass = adgold_lowpass_iir(0, 1, temp);
|
|
highpass = adgold_highpass_iir(0, 1, temp);
|
|
if (adgold->bass > 6)
|
|
temp += (lowpass * bass_attenuation[adgold->bass]) >> 14;
|
|
else if (adgold->bass < 6)
|
|
temp = highpass + ((temp * bass_cut[adgold->bass]) >> 14);
|
|
if (adgold->treble > 6)
|
|
temp += (highpass * treble_attenuation[adgold->treble]) >> 14;
|
|
else if (adgold->treble < 6)
|
|
temp = lowpass + ((temp * treble_cut[adgold->treble]) >> 14);
|
|
if (temp < -32768)
|
|
temp = -32768;
|
|
if (temp > 32767)
|
|
temp = 32767;
|
|
buffer[c + 1] += temp;
|
|
}
|
|
|
|
adgold->pos = 0;
|
|
|
|
free(adgold_buffer);
|
|
}
|
|
|
|
static void
|
|
adgold_get_music_buffer(int32_t *buffer, int len, void *priv)
|
|
{
|
|
adgold_t *adgold = (adgold_t *) priv;
|
|
int16_t *adgold_buffer = malloc(sizeof(int16_t) * len * 2);
|
|
if (adgold_buffer == NULL)
|
|
fatal("adgold_buffer = NULL");
|
|
|
|
int c;
|
|
|
|
const int32_t *opl_buf = adgold->opl.update(adgold->opl.priv);
|
|
|
|
for (c = 0; c < len * 2; c += 2) {
|
|
adgold_buffer[c] = ((opl_buf[c] * adgold->fm_vol_l) >> 7) / 2;
|
|
adgold_buffer[c + 1] = ((opl_buf[c + 1] * adgold->fm_vol_r) >> 7) / 2;
|
|
}
|
|
|
|
if (adgold->surround_enabled)
|
|
ym7128_apply(&adgold->ym7128, adgold_buffer, len);
|
|
|
|
switch (adgold->adgold_38x_regs[0x8] & 6) {
|
|
case 0:
|
|
for (c = 0; c < len * 2; c++)
|
|
adgold_buffer[c] = 0;
|
|
break;
|
|
case 2: /*Left channel only*/
|
|
for (c = 0; c < len * 2; c += 2)
|
|
adgold_buffer[c + 1] = adgold_buffer[c];
|
|
break;
|
|
case 4: /*Right channel only*/
|
|
for (c = 0; c < len * 2; c += 2)
|
|
adgold_buffer[c] = adgold_buffer[c + 1];
|
|
break;
|
|
case 6: /*Left and right channels*/
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
switch (adgold->adgold_38x_regs[0x8] & 0x18) {
|
|
case 0x00: /*Forced mono*/
|
|
for (c = 0; c < len * 2; c += 2)
|
|
adgold_buffer[c] = adgold_buffer[c + 1] = ((int32_t) adgold_buffer[c] + (int32_t) adgold_buffer[c + 1]) / 2;
|
|
break;
|
|
case 0x08: /*Linear stereo*/
|
|
break;
|
|
case 0x10: /*Pseudo stereo*/
|
|
/*Filter left channel, leave right channel unchanged*/
|
|
/*Filter cutoff is largely a guess*/
|
|
for (c = 0; c < len * 2; c += 2)
|
|
adgold_buffer[c] += adgold_pseudo_stereo_iir(adgold_buffer[c]);
|
|
break;
|
|
case 0x18: /*Spatial stereo*/
|
|
/*Quite probably wrong, I only have the diagram in the TDA8425 datasheet
|
|
and a very vague understanding of how op-amps work to go on*/
|
|
for (c = 0; c < len * 2; c += 2) {
|
|
int16_t l = adgold_buffer[c];
|
|
int16_t r = adgold_buffer[c + 1];
|
|
|
|
adgold_buffer[c] += (r / 3) + ((l * 2) / 3);
|
|
adgold_buffer[c + 1] += (l / 3) + ((r * 2) / 3);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
for (c = 0; c < len * 2; c += 2) {
|
|
int32_t temp;
|
|
int32_t lowpass;
|
|
int32_t highpass;
|
|
|
|
/*Output is deliberately halved to avoid clipping*/
|
|
temp = ((int32_t) adgold_buffer[c] * adgold->vol_l) >> 17;
|
|
lowpass = adgold_lowpass_iir(1, 0, temp);
|
|
highpass = adgold_highpass_iir(1, 0, temp);
|
|
if (adgold->bass > 6)
|
|
temp += (lowpass * bass_attenuation[adgold->bass]) >> 14;
|
|
else if (adgold->bass < 6)
|
|
temp = highpass + ((temp * bass_cut[adgold->bass]) >> 14);
|
|
if (adgold->treble > 6)
|
|
temp += (highpass * treble_attenuation[adgold->treble]) >> 14;
|
|
else if (adgold->treble < 6)
|
|
temp = lowpass + ((temp * treble_cut[adgold->treble]) >> 14);
|
|
if (temp < -32768)
|
|
temp = -32768;
|
|
if (temp > 32767)
|
|
temp = 32767;
|
|
buffer[c] += temp;
|
|
|
|
temp = ((int32_t) adgold_buffer[c + 1] * adgold->vol_r) >> 17;
|
|
lowpass = adgold_lowpass_iir(1, 1, temp);
|
|
highpass = adgold_highpass_iir(1, 1, temp);
|
|
if (adgold->bass > 6)
|
|
temp += (lowpass * bass_attenuation[adgold->bass]) >> 14;
|
|
else if (adgold->bass < 6)
|
|
temp = highpass + ((temp * bass_cut[adgold->bass]) >> 14);
|
|
if (adgold->treble > 6)
|
|
temp += (highpass * treble_attenuation[adgold->treble]) >> 14;
|
|
else if (adgold->treble < 6)
|
|
temp = lowpass + ((temp * treble_cut[adgold->treble]) >> 14);
|
|
if (temp < -32768)
|
|
temp = -32768;
|
|
if (temp > 32767)
|
|
temp = 32767;
|
|
buffer[c + 1] += temp;
|
|
}
|
|
|
|
adgold->opl.reset_buffer(adgold->opl.priv);
|
|
|
|
free(adgold_buffer);
|
|
}
|
|
|
|
static void
|
|
adgold_filter_cd_audio(int channel, double *buffer, void *priv)
|
|
{
|
|
const adgold_t *adgold = (adgold_t *) priv;
|
|
double c;
|
|
int aux = channel ? adgold->aux_vol_r : adgold->aux_vol_l;
|
|
int vol = channel ? adgold->vol_r : adgold->vol_l;
|
|
|
|
c = ((((*buffer) * aux) / 4096.0) * vol) / 4096.0;
|
|
*buffer = c;
|
|
}
|
|
|
|
static void
|
|
adgold_input_msg(void *priv, uint8_t *msg, uint32_t len)
|
|
{
|
|
adgold_t *adgold = (adgold_t *) priv;
|
|
|
|
if (adgold->sysex)
|
|
return;
|
|
|
|
if (adgold->uart_in) {
|
|
adgold->adgold_mma_status |= 0x04;
|
|
|
|
for (uint32_t i = 0; i < len; i++) {
|
|
adgold->midi_queue[adgold->midi_w++] = msg[i];
|
|
adgold->midi_w &= 0x0f;
|
|
}
|
|
|
|
adgold_update_irq_status(adgold);
|
|
}
|
|
}
|
|
|
|
static int
|
|
adgold_input_sysex(void *priv, uint8_t *buffer, uint32_t len, int abort)
|
|
{
|
|
adgold_t *adgold = (adgold_t *) priv;
|
|
|
|
if (abort) {
|
|
adgold->sysex = 0;
|
|
return 0;
|
|
}
|
|
adgold->sysex = 1;
|
|
for (uint32_t i = 0; i < len; i++) {
|
|
if (adgold->midi_r == adgold->midi_w)
|
|
return (len - i);
|
|
adgold->midi_queue[adgold->midi_w++] = buffer[i];
|
|
adgold->midi_w &= 0x0f;
|
|
}
|
|
adgold->sysex = 0;
|
|
return 0;
|
|
}
|
|
|
|
void *
|
|
adgold_init(UNUSED(const device_t *info))
|
|
{
|
|
FILE *fp;
|
|
int c;
|
|
double out;
|
|
adgold_t *adgold = malloc(sizeof(adgold_t));
|
|
memset(adgold, 0, sizeof(adgold_t));
|
|
|
|
adgold->dma = device_get_config_int("dma");
|
|
adgold->irq = device_get_config_int("irq");
|
|
adgold->surround_enabled = device_get_config_int("surround");
|
|
adgold->gameport_enabled = device_get_config_int("gameport");
|
|
|
|
fm_driver_get(FM_YMF262, &adgold->opl);
|
|
if (adgold->surround_enabled)
|
|
ym7128_init(&adgold->ym7128);
|
|
|
|
out = 65536.0; /*Main volume control ranges from +6 dB to -64 dB in 2 dB steps, then remaining settings are -80 dB (effectively 0)*/
|
|
for (c = 0x3f; c >= 0x1c; c--) {
|
|
attenuation[c] = (int) out;
|
|
out /= 1.25963; /*2 dB steps*/
|
|
}
|
|
for (; c >= 0; c--)
|
|
attenuation[c] = 0;
|
|
|
|
adgold->adgold_eeprom[0x00] = 0x00;
|
|
adgold->adgold_eeprom[0x01] = 0x00;
|
|
adgold->adgold_eeprom[0x02] = 0x7f;
|
|
adgold->adgold_eeprom[0x03] = 0x7f;
|
|
adgold->adgold_eeprom[0x04] = 0xf8; /* vol_l */
|
|
adgold->adgold_eeprom[0x05] = 0xf8; /* vol_r */
|
|
adgold->adgold_eeprom[0x06] = 0xf6; /* bass */
|
|
adgold->adgold_eeprom[0x07] = 0xf6; /* treble */
|
|
adgold->adgold_eeprom[0x08] = 0xce;
|
|
adgold->adgold_eeprom[0x09] = 0xff; /* fm_vol_l */
|
|
adgold->adgold_eeprom[0x0a] = 0xff; /* fm_vol_r */
|
|
adgold->adgold_eeprom[0x0b] = 0xff; /* samp_vol_l */
|
|
adgold->adgold_eeprom[0x0c] = 0xff; /* samp_vol_r */
|
|
adgold->adgold_eeprom[0x0d] = 0xff; /* aux_vol_l */
|
|
adgold->adgold_eeprom[0x0e] = 0xff; /* aux_vol_r */
|
|
adgold->adgold_eeprom[0x0f] = 0xff;
|
|
adgold->adgold_eeprom[0x10] = 0xff;
|
|
adgold->adgold_eeprom[0x11] = 0x20;
|
|
adgold->adgold_eeprom[0x12] = 0x00;
|
|
adgold->adgold_eeprom[0x13] = 0x00;
|
|
adgold->adgold_eeprom[0x14] = 0x00;
|
|
adgold->adgold_eeprom[0x15] = 0x388 / 8; /*Present at 388-38f*/
|
|
adgold->adgold_eeprom[0x16] = 0x00;
|
|
adgold->adgold_eeprom[0x17] = 0x68;
|
|
adgold->adgold_eeprom[0x18] = 0x00; /* Surround */
|
|
adgold->adgold_eeprom[0x19] = 0x00;
|
|
|
|
fp = nvr_fopen("adgold.bin", "rb");
|
|
if (fp) {
|
|
if (fread(adgold->adgold_eeprom, 1, 0x1a, fp) != 0x1a)
|
|
fatal("adgold_init(): Error reading data\n");
|
|
fclose(fp);
|
|
}
|
|
|
|
adgold->adgold_status = 0xf;
|
|
adgold->adgold_38x_addr = 0;
|
|
switch (adgold->irq) {
|
|
case 3:
|
|
adgold->adgold_eeprom[0x13] |= 0x00;
|
|
break;
|
|
case 4:
|
|
adgold->adgold_eeprom[0x13] |= 0x01;
|
|
break;
|
|
case 5:
|
|
adgold->adgold_eeprom[0x13] |= 0x02;
|
|
break;
|
|
case 7:
|
|
adgold->adgold_eeprom[0x13] |= 0x03;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
adgold->adgold_eeprom[0x13] |= (adgold->dma << 3);
|
|
adgold->adgold_eeprom[0x14] |= (adgold->dma << 4);
|
|
memcpy(adgold->adgold_38x_regs, adgold->adgold_eeprom, 0x19);
|
|
adgold->vol_l = attenuation[adgold->adgold_eeprom[0x04] & 0x3f];
|
|
adgold->vol_r = attenuation[adgold->adgold_eeprom[0x05] & 0x3f];
|
|
adgold->bass = adgold->adgold_eeprom[0x06] & 0xf;
|
|
adgold->treble = adgold->adgold_eeprom[0x07] & 0xf;
|
|
adgold->fm_vol_l = (int) (int8_t) (adgold->adgold_eeprom[0x09] - 128);
|
|
adgold->fm_vol_r = (int) (int8_t) (adgold->adgold_eeprom[0x0a] - 128);
|
|
adgold->samp_vol_l = (int) (int8_t) (adgold->adgold_eeprom[0x0b] - 128);
|
|
adgold->samp_vol_r = (int) (int8_t) (adgold->adgold_eeprom[0x0c] - 128);
|
|
adgold->aux_vol_l = (int) (int8_t) (adgold->adgold_eeprom[0x0d] - 128);
|
|
adgold->aux_vol_r = (int) (int8_t) (adgold->adgold_eeprom[0x0e] - 128);
|
|
|
|
adgold->adgold_mma_enable[0] = 0;
|
|
adgold->adgold_mma_fifo_start[0] = adgold->adgold_mma_fifo_end[0] = 0;
|
|
|
|
/*388/389 are handled by adlib_init*/
|
|
io_sethandler(0x0388, 0x0008, adgold_read, NULL, NULL, adgold_write, NULL, NULL, adgold);
|
|
|
|
if (adgold->gameport_enabled)
|
|
gameport_remap(gameport_add(&gameport_201_device), 0x201);
|
|
|
|
timer_add(&adgold->adgold_mma_timer_count, adgold_timer_poll, adgold, 1);
|
|
|
|
sound_add_handler(adgold_get_buffer, adgold);
|
|
music_add_handler(adgold_get_music_buffer, adgold);
|
|
|
|
sound_set_cd_audio_filter(adgold_filter_cd_audio, adgold);
|
|
|
|
if (device_get_config_int("receive_input"))
|
|
midi_in_handler(1, adgold_input_msg, adgold_input_sysex, adgold);
|
|
|
|
return adgold;
|
|
}
|
|
|
|
void
|
|
adgold_close(void *priv)
|
|
{
|
|
FILE *fp;
|
|
adgold_t *adgold = (adgold_t *) priv;
|
|
|
|
fp = nvr_fopen("adgold.bin", "wb");
|
|
if (fp) {
|
|
fwrite(adgold->adgold_eeprom, 0x1a, 1, fp);
|
|
fclose(fp);
|
|
}
|
|
|
|
free(adgold);
|
|
}
|
|
|
|
static const device_config_t adgold_config[] = {
|
|
// clang-format off
|
|
{
|
|
.name = "irq",
|
|
.description = "IRQ",
|
|
.type = CONFIG_SELECTION,
|
|
.default_string = "",
|
|
.default_int = 7,
|
|
.file_filter = "",
|
|
.spinner = { 0 },
|
|
.selection = {
|
|
{
|
|
.description = "IRQ 3",
|
|
.value = 3
|
|
},
|
|
{
|
|
.description = "IRQ 4",
|
|
.value = 4
|
|
},
|
|
{
|
|
.description = "IRQ 5",
|
|
.value = 5
|
|
},
|
|
{
|
|
.description = "IRQ 7",
|
|
.value = 7
|
|
},
|
|
{ .description = "" }
|
|
}
|
|
},
|
|
{
|
|
.name = "dma",
|
|
.description = "Low DMA",
|
|
.type = CONFIG_SELECTION,
|
|
.default_string = "",
|
|
.default_int = 1,
|
|
.file_filter = "",
|
|
.spinner = { 0 },
|
|
.selection = {
|
|
{
|
|
.description = "DMA 1",
|
|
.value = 1
|
|
},
|
|
{
|
|
.description = "DMA 3",
|
|
.value = 3
|
|
},
|
|
{ .description = "" }
|
|
}
|
|
},
|
|
{
|
|
.name = "gameport",
|
|
.description = "Enable Game port",
|
|
.type = CONFIG_BINARY,
|
|
.default_string = "",
|
|
.default_int = 1
|
|
},
|
|
{
|
|
.name = "surround",
|
|
.description = "Surround module",
|
|
.type = CONFIG_BINARY,
|
|
.default_string = "",
|
|
.default_int = 1
|
|
},
|
|
{
|
|
.name = "receive_input",
|
|
.description = "Receive input (MIDI)",
|
|
.type = CONFIG_BINARY,
|
|
.default_string = "",
|
|
.default_int = 1
|
|
},
|
|
{ .name = "", .description = "", .type = CONFIG_END }
|
|
// clang-format on
|
|
};
|
|
|
|
const device_t adgold_device = {
|
|
.name = "AdLib Gold",
|
|
.internal_name = "adlibgold",
|
|
.flags = DEVICE_ISA,
|
|
.local = 0,
|
|
.init = adgold_init,
|
|
.close = adgold_close,
|
|
.reset = NULL,
|
|
{ .available = NULL },
|
|
.speed_changed = NULL,
|
|
.force_redraw = NULL,
|
|
.config = adgold_config
|
|
};
|