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Cleanups to OPL backends

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This commit is contained in:
Jasmine Iwanek
2024-12-18 17:44:21 -05:00
parent 60e3ed6704
commit ba2381eb8b
6 changed files with 77 additions and 98 deletions
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83
src/sound/snd_opl_opl2board.cpp
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@@ -23,7 +23,6 @@
#include "ymfm/ymfm_opl.h"
#include <libserialport.h>
extern "C" {
#define HAVE_STDARG_H
#include <86box/86box.h>
@@ -38,7 +37,6 @@ extern "C" {
#include <86box/ini.h>
#include <86box/device.h>
// Disable c99-designator to avoid the warnings in *_ymfm_device
#ifdef __clang__
# if __has_warning("-Wc99-designator")
@@ -46,21 +44,16 @@ extern "C" {
# pragma clang diagnostic ignored "-Wc99-designator"
# endif
#endif
}
#define RSM_FRAC 10
#define OPL_FREQ FREQ_48000
enum {
FLAG_CYCLES = (1 << 0)
};
uint8_t lastval = 0x00;
class OPLBOARDChipBase {
public:
OPLBOARDChipBase(UNUSED(uint32_t clock), fm_type type, uint32_t samplerate)
@@ -90,7 +83,6 @@ public:
virtual uint8_t read(uint16_t addr) = 0;
virtual void set_clock(uint32_t clock) = 0;
protected:
int32_t m_buffer[MUSICBUFLEN * 2];
int m_buf_pos;
@@ -244,7 +236,6 @@ public:
virtual void write(uint16_t addr, uint8_t data) override
{
m_chip.write(addr, data);
}
@@ -315,31 +306,27 @@ extern "C" {
#include <86box/config.h>
#include <86box/ini.h>
#ifdef ENABLE_OPL_LOG
int ymfm_do_log = ENABLE_OPL_LOG;
#ifdef ENABLE_OPL_LOG
int oplboard_do_log = ENABLE_OPL_LOG;
static void
ymfm_log(const char *fmt, ...)
oplboard_log(const char *fmt, ...)
{
va_list ap;
if (ymfm_do_log) {
if (oplboard_do_log) {
va_start(ap, fmt);
pclog_ex(fmt, ap);
va_end(ap);
}
}
#else
# define ymfm_log(fmt, ...)
# define oplboard_log(fmt, ...)
#endif
struct sp_port *port;
void opl2board_init() {
device_add(&opl2board_device);
const char* port_name = device_get_config_string("host_serial_path");
device_context_restore();
@@ -348,13 +335,13 @@ void opl2board_init() {
result = sp_get_port_by_name(port_name, &port);
if (result != SP_OK) {
ymfm_log("Error: Cannot find port %s\n", port_name);
oplboard_log("Error: Cannot find port %s\n", port_name);
return;
}
result = sp_open(port, SP_MODE_READ_WRITE);
if (result != SP_OK) {
ymfm_log ("Error: Cannot open port %s\n", port_name);
oplboard_log ("Error: Cannot open port %s\n", port_name);
return;
}
@@ -364,33 +351,29 @@ void opl2board_init() {
sp_set_parity(port, SP_PARITY_NONE);
sp_set_stopbits(port, 1);
sp_set_flowcontrol(port, SP_FLOWCONTROL_NONE);
ymfm_log("OPL2Board Serial port %s initialized at 115200 baud.\n", port_name);
oplboard_log("OPL2Board Serial port %s initialized at 115200 baud.\n", port_name);
}
void opl2board_write(uint8_t data) {
if (port == NULL) {
ymfm_log(stderr, "Error: OPL2Board Port not initialized.\n");
oplboard_log(stderr, "Error: OPL2Board Port not initialized.\n");
return;
}
enum sp_return result = sp_blocking_write(port, &data, sizeof(data), 1000);
if (result < 0) {
ymfm_log(stderr, "Error: Failed to write to OPL2Board port.\n");
oplboard_log(stderr, "Error: Failed to write to OPL2Board port.\n");
} else {
ymfm_log("OPL2Board: data sent: %02X\n", data);
oplboard_log("OPL2Board: data sent: %02X\n", data);
}
}
void opl2board_reset() {
// Reset all voices to 0
ymfm_log("Performing OPL2Board reset\n");
oplboard_log("Performing OPL2Board reset\n");
for (uint8_t i = 0x00; i < 0xFF; i++) {
if (i >= 0x40 && i <= 0x55) {
opl2board_write(i);
@@ -408,11 +391,10 @@ void opl2board_close() {
sp_close(port);
sp_free_port(port);
port = NULL;
ymfm_log("OPL2Board port closed.\n");
oplboard_log("OPL2Board port closed.\n");
}
}
static void *
ymfm_opl2board_drv_init(const device_t *info)
{
@@ -433,6 +415,7 @@ static void
ymfm_opl2board_drv_close(void *priv)
{
OPLBOARDChipBase *drv = (OPLBOARDChipBase *) priv;
opl2board_close();
if (drv != NULL)
delete drv;
@@ -453,29 +436,27 @@ ymfm_opl2board_drv_read(uint16_t port, void *priv)
uint8_t ret = drv->read(port);
drv->update();
ymfm_log("YMFM read port %04x, status = %02x\n", port, ret);
oplboard_log("OPLBoard read port %04x, status = %02x\n", port, ret);
return ret;
}
static void
ymfm_opl2board_drv_write(uint16_t port, uint8_t val, void *priv)
{
OPLBOARDChipBase *drv = (OPLBOARDChipBase *) priv;
ymfm_log("YMFM write port %04x value = %02x\n", port, val);
oplboard_log("OPLBoard write port %04x value = %02x\n", port, val);
if ((port == 0x380) || (port == 0x381))
port |= 4;
// Allow initialization of adlib
if ((val == 0x04 || val == 0x02) || (lastval == 0x04 || lastval == 0x02)) {
// Allow initialization of adlib
if ((val == 0x04 || val == 0x02) || (lastval == 0x04 || lastval == 0x02))
drv->write(port, val);
}
lastval = val;
opl2board_write(val);
drv->update();
}
static int32_t *
ymfm_opl2board_drv_update(void *priv)
{
@@ -500,22 +481,19 @@ static void
ymfm_opl2board_drv_set_do_cycles(void *priv, int8_t do_cycles)
{
OPLBOARDChipBase *drv = (OPLBOARDChipBase *) priv;
drv->set_do_cycles(do_cycles);
}
static void
ymfm_opl2board_drv_generate(void *priv, int32_t *data, uint32_t num_samples)
{
{
OPLBOARDChipBase *drv = (OPLBOARDChipBase *) priv;
// drv->generate_resampled(data, num_samples);
drv->generate(data, num_samples);
}
const device_t ym_opl2board_device = {
.name = "YMOPL2Board (External Device)",
.internal_name = "ym_opl2board_device",
@@ -524,21 +502,20 @@ const device_t ym_opl2board_device = {
.init = ymfm_opl2board_drv_init,
.close = ymfm_opl2board_drv_close,
.reset = NULL,
{ .available = NULL },
.available = NULL,
.speed_changed = NULL,
.force_redraw = NULL,
.config = NULL
};
const fm_drv_t ymfm_opl2board_drv {
&ymfm_opl2board_drv_read,
&ymfm_opl2board_drv_write,
&ymfm_opl2board_drv_update,
&ymfm_opl2board_drv_reset_buffer,
&ymfm_opl2board_drv_set_do_cycles,
NULL,
ymfm_opl2board_drv_generate
.read = &ymfm_opl2board_drv_read,
.write = &ymfm_opl2board_drv_write,
.update = &ymfm_opl2board_drv_update,
.reset_buffer = &ymfm_opl2board_drv_reset_buffer,
.set_do_cycles = &ymfm_opl2board_drv_set_do_cycles,
.priv = NULL,
.generate = ymfm_opl2board_drv_generate
};
#ifdef __clang__