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The Pro Audio Spectrum SCSI controller is now based on the Trantor T128 (which it is considerable closer to), rather than on the 53c400.

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This commit is contained in:
OBattler
2024-05-06 13:09:08 +02:00
parent ccc788ff98
commit 4c84cccae7
11 changed files with 165 additions and 262 deletions
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51
src/scsi/scsi_t128.c
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@@ -41,31 +41,10 @@
#include <86box/scsi.h>
#include <86box/scsi_device.h>
#include <86box/scsi_ncr5380.h>
#include <86box/scsi_t128.h>
#define T128_ROM "roms/scsi/ncr5380/trantor_t128_bios_v1.12.bin"
typedef struct t128_t {
ncr_t ncr;
rom_t bios_rom;
mem_mapping_t mapping;
uint8_t ctrl;
uint8_t status;
uint8_t buffer[512];
uint8_t ext_ram[0x80];
uint8_t block_count;
int block_loaded;
int pos, host_pos;
uint32_t rom_addr;
int bios_enabled;
uint8_t pos_regs[8];
pc_timer_t timer;
} t128_t;
#ifdef ENABLE_T128_LOG
int t128_do_log = ENABLE_T128_LOG;
@@ -85,7 +64,7 @@ t128_log(const char *fmt, ...)
#endif
/* Memory-mapped I/O WRITE handler. */
static void
void
t128_write(uint32_t addr, uint8_t val, void *priv)
{
t128_t *t128 = (t128_t *) priv;
@@ -122,7 +101,7 @@ t128_write(uint32_t addr, uint8_t val, void *priv)
}
/* Memory-mapped I/O READ handler. */
static uint8_t
uint8_t
t128_read(uint32_t addr, void *priv)
{
t128_t *t128 = (t128_t *) priv;
@@ -243,7 +222,7 @@ t128_timer_on_auto(void *ext_priv, double period)
timer_on_auto(&t128->timer, period);
}
static void
void
t128_callback(void *priv)
{
t128_t *t128 = (void *) priv;
@@ -506,7 +485,7 @@ t128_init(const device_t *info)
t128->pos_regs[0] = 0x8c;
t128->pos_regs[1] = 0x50;
mca_add(t228_read, t228_write, t228_feedb, NULL, t128);
} else {
} else if (info->local == 0) {
ncr->irq = device_get_config_int("irq");
t128->rom_addr = device_get_config_hex20("bios_addr");
t128->bios_enabled = device_get_config_int("boot");
@@ -525,12 +504,13 @@ t128_init(const device_t *info)
ncr->dma_send_ext = t128_dma_send_ext;
ncr->dma_initiator_receive_ext = t128_dma_initiator_receive_ext;
ncr->timer = t128_timer_on_auto;
t128->status = 0x04;
t128->status = 0x00 /*0x04*/;
t128->host_pos = 512;
if (!t128->bios_enabled && !(info->flags & DEVICE_MCA))
t128->status |= 0x80;
timer_add(&t128->timer, t128_callback, t128, 0);
if (info->local == 0)
timer_add(&t128->timer, t128_callback, t128, 0);
scsi_bus_set_speed(ncr->bus, 5000000.0);
@@ -616,6 +596,7 @@ const device_t scsi_t128_device = {
.config = t128_config
};
const device_t scsi_t228_device = {
.name = "Trantor T228",
.internal_name = "t228",
@@ -629,3 +610,17 @@ const device_t scsi_t228_device = {
.force_redraw = NULL,
.config = NULL
};
const device_t scsi_pas_device = {
.name = "Pro Audio Spectrum Plus/16 SCSI",
.internal_name = "scsi_pas",
.flags = DEVICE_ISA,
.local = 1,
.init = t128_init,
.close = t128_close,
.reset = NULL,
{ .available = NULL },
.speed_changed = NULL,
.force_redraw = NULL,
.config = NULL
};