mirror of
https://github.com/holub/mame
synced 2025-05-28 16:43:04 +03:00
Another step toward insanity ...
This commit is contained in:
Angelo Salese
parent
d002c3b0d1
commit
17b043fed2
@ -9,37 +9,36 @@
|
||||
***************************************************************************/
|
||||
|
||||
#include "emu.h"
|
||||
#include "video/h63484.h"
|
||||
#include "h63484.h"
|
||||
|
||||
#define LOG 1
|
||||
|
||||
typedef struct _h63484_state h63484_state;
|
||||
struct _h63484_state
|
||||
// default address map
|
||||
static ADDRESS_MAP_START( h63484_vram, AS_0, 8 )
|
||||
AM_RANGE(0x00000, 0x7ffff) AM_RAM
|
||||
AM_RANGE(0x80000, 0xbffff) AM_NOP
|
||||
ADDRESS_MAP_END
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// h63484_device - constructor
|
||||
//-------------------------------------------------
|
||||
|
||||
h63484_device::h63484_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
|
||||
: device_t(mconfig, H63484, "H63484", tag, owner, clock),
|
||||
device_memory_interface(mconfig, *this),
|
||||
m_ar(0),
|
||||
m_sr(0),
|
||||
m_fifo_ptr(-1),
|
||||
m_fifo_r_ptr(-1),
|
||||
m_cr(0),
|
||||
m_param_ptr(0),
|
||||
m_rwp(0),
|
||||
m_rwp_dn(0),
|
||||
m_space_config("videoram", ENDIANNESS_LITTLE, 8, 16, 0, NULL, *ADDRESS_MAP_NAME(h63484_vram))
|
||||
{
|
||||
h63484_display_pixels_func display_func;
|
||||
screen_device *screen; /* screen */
|
||||
|
||||
UINT8 *vram;
|
||||
UINT8 ar;
|
||||
UINT8 vreg[0x100];
|
||||
UINT8 sr;
|
||||
|
||||
UINT8 fifo[16]; /* FIFO W data queue */
|
||||
int fifo_ptr; /* FIFO W pointer */
|
||||
|
||||
UINT8 fifo_r[16]; /* FIFO R data queue */
|
||||
int fifo_r_ptr; /* FIFO R pointer */
|
||||
|
||||
|
||||
UINT16 cr;
|
||||
UINT16 pr[9]; /* parameter byte register */
|
||||
int param_ptr; /* parameter pointer */
|
||||
|
||||
UINT32 rwp;
|
||||
UINT8 rwp_dn;
|
||||
|
||||
address_space *space; /* memory space */
|
||||
};
|
||||
m_shortname = "h63484";
|
||||
}
|
||||
|
||||
enum
|
||||
{
|
||||
@ -326,174 +325,190 @@ enum
|
||||
#define H63484_COMMAND_RGCPY 0xf000 // & ~0x0fff p: 4
|
||||
|
||||
|
||||
|
||||
|
||||
/*****************************************************************************
|
||||
INLINE FUNCTIONS
|
||||
*****************************************************************************/
|
||||
|
||||
INLINE h63484_state *get_safe_token( device_t *device )
|
||||
{
|
||||
assert(device != NULL);
|
||||
assert(device->type() == H63484);
|
||||
|
||||
return (h63484_state *)downcast<legacy_device_base *>(device)->token();
|
||||
}
|
||||
|
||||
INLINE const h63484_interface *get_interface( device_t *device )
|
||||
{
|
||||
assert(device != NULL);
|
||||
assert(device->type() == H63484);
|
||||
return (const h63484_interface *) device->static_config();
|
||||
}
|
||||
|
||||
|
||||
INLINE void fifo_w_clear(h63484_state *h63484)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 16; i++)
|
||||
h63484->fifo[i] = 0;
|
||||
|
||||
h63484->fifo_ptr = -1;
|
||||
|
||||
h63484->sr |= H63484_SR_WFR;
|
||||
h63484->sr |= H63484_SR_WFE;
|
||||
}
|
||||
|
||||
INLINE void queue_w(h63484_state *h63484, UINT8 data)
|
||||
{
|
||||
if (h63484->fifo_ptr < 15)
|
||||
{
|
||||
h63484->fifo_ptr++;
|
||||
|
||||
h63484->fifo[h63484->fifo_ptr] = data;
|
||||
|
||||
if (h63484->fifo_ptr == 16)
|
||||
h63484->sr &= ~H63484_SR_WFR;
|
||||
|
||||
h63484->sr &= ~H63484_SR_WFE;
|
||||
}
|
||||
else
|
||||
{
|
||||
// TODO what happen? somebody set us up the bomb
|
||||
printf("FIFO?\n");
|
||||
}
|
||||
}
|
||||
|
||||
INLINE void dequeue_w(h63484_state *h63484, UINT8 *data)
|
||||
{
|
||||
int i;
|
||||
|
||||
*data = h63484->fifo[0];
|
||||
|
||||
//h63484->sr &= ~H63484_SR_RFF;
|
||||
|
||||
if (h63484->fifo_ptr > -1)
|
||||
{
|
||||
for (i = 0; i < 15; i++)
|
||||
h63484->fifo[i] = h63484->fifo[i + 1];
|
||||
|
||||
h63484->fifo[15] = 0;
|
||||
|
||||
h63484->fifo_ptr--;
|
||||
|
||||
h63484->sr |= H63484_SR_WFR;
|
||||
|
||||
if (h63484->fifo_ptr == -1)
|
||||
h63484->sr |= H63484_SR_WFE;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
INLINE void fifo_r_clear(h63484_state *h63484)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 16; i++)
|
||||
h63484->fifo_r[i] = 0;
|
||||
|
||||
h63484->fifo_r_ptr = -1;
|
||||
|
||||
h63484->sr &= ~H63484_SR_RFR;
|
||||
h63484->sr &= ~H63484_SR_RFF;
|
||||
}
|
||||
|
||||
INLINE void queue_r(h63484_state *h63484, UINT8 data)
|
||||
{
|
||||
if (h63484->fifo_ptr < 15)
|
||||
{
|
||||
h63484->fifo_r_ptr++;
|
||||
|
||||
h63484->fifo_r[h63484->fifo_r_ptr] = data;
|
||||
|
||||
if (h63484->fifo_r_ptr == 16)
|
||||
h63484->sr |= H63484_SR_RFF;
|
||||
|
||||
h63484->sr |= H63484_SR_RFR;
|
||||
}
|
||||
else
|
||||
{
|
||||
// TODO what happen? somebody set us up the bomb
|
||||
printf("FIFO?\n");
|
||||
}
|
||||
}
|
||||
|
||||
INLINE void dequeue_r(h63484_state *h63484, UINT8 *data)
|
||||
{
|
||||
int i;
|
||||
|
||||
*data = h63484->fifo_r[0];
|
||||
|
||||
if (h63484->fifo_r_ptr > -1)
|
||||
{
|
||||
for (i = 0; i < 15; i++)
|
||||
h63484->fifo_r[i] = h63484->fifo_r[i + 1];
|
||||
|
||||
h63484->fifo_r[15] = 0;
|
||||
|
||||
h63484->fifo_r_ptr--;
|
||||
|
||||
h63484->sr &= ~H63484_SR_RFF;
|
||||
|
||||
if (h63484->fifo_ptr == -1)
|
||||
h63484->sr &= H63484_SR_RFR;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/*-------------------------------------------------
|
||||
ROM( h63484 )
|
||||
-------------------------------------------------*/
|
||||
|
||||
// devices
|
||||
const device_type H63484 = &device_creator<h63484_device>;
|
||||
|
||||
|
||||
ROM_START( h63484 )
|
||||
ROM_REGION( 0x100, "h63484", 0 )
|
||||
ROM_LOAD( "h63484.bin", 0x000, 0x100, NO_DUMP ) /* internal control ROM */
|
||||
ROM_END
|
||||
|
||||
//-------------------------------------------------
|
||||
// memory_space_config - return a description of
|
||||
// any address spaces owned by this device
|
||||
//-------------------------------------------------
|
||||
|
||||
const address_space_config *h63484_device::memory_space_config(address_spacenum spacenum) const
|
||||
{
|
||||
return (spacenum == AS_0) ? &m_space_config : NULL;
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------
|
||||
// rom_region - device-specific ROM region
|
||||
//-------------------------------------------------
|
||||
|
||||
const rom_entry *h63484_device::device_rom_region() const
|
||||
{
|
||||
return ROM_NAME( h63484 );
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_config_complete - perform any
|
||||
// operations now that the configuration is
|
||||
// complete
|
||||
//-------------------------------------------------
|
||||
|
||||
void h63484_device::device_config_complete()
|
||||
{
|
||||
// inherit a copy of the static data
|
||||
const h63484_interface *intf = reinterpret_cast<const h63484_interface *>(static_config());
|
||||
if (intf != NULL)
|
||||
*static_cast<h63484_interface *>(this) = *intf;
|
||||
|
||||
// or initialize to defaults if none provided
|
||||
else
|
||||
{
|
||||
// ...
|
||||
}
|
||||
}
|
||||
|
||||
inline void h63484_device::fifo_w_clear()
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 16; i++)
|
||||
m_fifo[i] = 0;
|
||||
|
||||
m_fifo_ptr = -1;
|
||||
|
||||
m_sr |= H63484_SR_WFR;
|
||||
m_sr |= H63484_SR_WFE;
|
||||
}
|
||||
|
||||
inline void h63484_device::queue_w(UINT8 data)
|
||||
{
|
||||
if (m_fifo_ptr < 15)
|
||||
{
|
||||
m_fifo_ptr++;
|
||||
|
||||
m_fifo[m_fifo_ptr] = data;
|
||||
|
||||
if (m_fifo_ptr == 16)
|
||||
m_sr &= ~H63484_SR_WFR;
|
||||
|
||||
m_sr &= ~H63484_SR_WFE;
|
||||
}
|
||||
else
|
||||
{
|
||||
// TODO what happen? somebody set us up the bomb
|
||||
printf("FIFO?\n");
|
||||
}
|
||||
}
|
||||
|
||||
inline void h63484_device::dequeue_w(UINT8 *data)
|
||||
{
|
||||
int i;
|
||||
|
||||
*data = m_fifo[0];
|
||||
|
||||
if (m_fifo_ptr > -1)
|
||||
{
|
||||
for (i = 0; i < 15; i++)
|
||||
m_fifo[i] = m_fifo[i + 1];
|
||||
|
||||
m_fifo[15] = 0;
|
||||
|
||||
m_fifo_ptr--;
|
||||
|
||||
m_sr |= H63484_SR_WFR;
|
||||
|
||||
if (m_fifo_ptr == -1)
|
||||
m_sr |= H63484_SR_WFE;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
inline void h63484_device::fifo_r_clear()
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 16; i++)
|
||||
m_fifo_r[i] = 0;
|
||||
|
||||
m_fifo_r_ptr = -1;
|
||||
|
||||
m_sr &= ~H63484_SR_RFR;
|
||||
m_sr &= ~H63484_SR_RFF;
|
||||
}
|
||||
|
||||
inline void h63484_device::queue_r(UINT8 data)
|
||||
{
|
||||
if (m_fifo_ptr < 15)
|
||||
{
|
||||
m_fifo_r_ptr++;
|
||||
|
||||
m_fifo_r[m_fifo_r_ptr] = data;
|
||||
|
||||
if (m_fifo_r_ptr == 16)
|
||||
m_sr |= H63484_SR_RFF;
|
||||
|
||||
m_sr |= H63484_SR_RFR;
|
||||
}
|
||||
else
|
||||
{
|
||||
// TODO what happen? somebody set us up the bomb
|
||||
printf("FIFO?\n");
|
||||
}
|
||||
}
|
||||
|
||||
inline void h63484_device::dequeue_r(UINT8 *data)
|
||||
{
|
||||
int i;
|
||||
|
||||
*data = m_fifo_r[0];
|
||||
|
||||
if (m_fifo_r_ptr > -1)
|
||||
{
|
||||
for (i = 0; i < 15; i++)
|
||||
m_fifo_r[i] = m_fifo_r[i + 1];
|
||||
|
||||
m_fifo_r[15] = 0;
|
||||
|
||||
m_fifo_r_ptr--;
|
||||
|
||||
m_sr &= ~H63484_SR_RFF;
|
||||
|
||||
if (m_fifo_ptr == -1)
|
||||
m_sr &= H63484_SR_RFR;
|
||||
}
|
||||
}
|
||||
|
||||
/*-------------------------------------------------
|
||||
ADDRESS_MAP( upd7220 )
|
||||
ADDRESS_MAP( h63484 )
|
||||
-------------------------------------------------*/
|
||||
|
||||
READ8_DEVICE_HANDLER( h63484_vram_r )
|
||||
READ8_MEMBER( h63484_device::vram_r )
|
||||
{
|
||||
h63484_state *h63484 = get_safe_token(device);
|
||||
|
||||
return h63484->vram[offset];
|
||||
return m_vram[offset];
|
||||
}
|
||||
|
||||
WRITE8_DEVICE_HANDLER( h63484_vram_w )
|
||||
WRITE8_MEMBER( h63484_device::vram_w )
|
||||
{
|
||||
h63484_state *h63484 = get_safe_token(device);
|
||||
|
||||
h63484->vram[offset] = data;
|
||||
m_vram[offset] = data;
|
||||
}
|
||||
|
||||
|
||||
/*****************************************************************************
|
||||
IMPLEMENTATION
|
||||
*****************************************************************************/
|
||||
|
||||
static int translate_command(UINT16 data)
|
||||
int h63484_device::translate_command(UINT16 data)
|
||||
{
|
||||
/* annoying switch-case sequence, but it's the only way to get invalid commands ... */
|
||||
switch (data)
|
||||
@ -569,103 +584,93 @@ static int translate_command(UINT16 data)
|
||||
return COMMAND_INVALID;
|
||||
}
|
||||
|
||||
static void command_end_seq(device_t *device)
|
||||
void h63484_device::command_end_seq()
|
||||
{
|
||||
h63484_state *h63484 = get_safe_token(device);
|
||||
|
||||
//h63484->param_ptr = 0;
|
||||
h63484->sr |= H63484_SR_CED;
|
||||
m_sr |= H63484_SR_CED;
|
||||
|
||||
/* TODO: we might need to be more aggressive and clear the params in there */
|
||||
}
|
||||
|
||||
static void command_wpr_exec(device_t *device)
|
||||
void h63484_device::command_wpr_exec()
|
||||
{
|
||||
h63484_state *h63484 = get_safe_token(device);
|
||||
if(LOG) printf("%s -> %02x\n",wpr_regnames[m_cr & 0x1f],m_pr[0]);
|
||||
|
||||
if(LOG) printf("%s -> %02x\n",wpr_regnames[h63484->cr & 0x1f],h63484->pr[0]);
|
||||
|
||||
switch(h63484->cr & 0x1f)
|
||||
switch(m_cr & 0x1f)
|
||||
{
|
||||
case 0x0c: // Read Write Pointer H
|
||||
h63484->rwp_dn = (h63484->pr[0] & 0xc000) >> 14;
|
||||
h63484->rwp = (h63484->rwp & 0x00fff) | ((h63484->pr[0] & 0x00ff) << 12);
|
||||
m_rwp_dn = (m_pr[0] & 0xc000) >> 14;
|
||||
m_rwp = (m_rwp & 0x00fff) | ((m_pr[0] & 0x00ff) << 12);
|
||||
break;
|
||||
case 0x0d: // Read Write Pointer L
|
||||
h63484->rwp = (h63484->rwp & 0xff000) | ((h63484->pr[0] & 0xfff0) >> 4);
|
||||
m_rwp = (m_rwp & 0xff000) | ((m_pr[0] & 0xfff0) >> 4);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void process_fifo(device_t *device)
|
||||
void h63484_device::process_fifo()
|
||||
{
|
||||
h63484_state *h63484 = get_safe_token(device);
|
||||
UINT8 data;
|
||||
|
||||
dequeue_w(h63484, &data);
|
||||
dequeue_w(&data);
|
||||
|
||||
if (h63484->sr & H63484_SR_CED)
|
||||
if (m_sr & H63484_SR_CED)
|
||||
{
|
||||
h63484->cr = (data & 0xff) << 8;
|
||||
dequeue_w(h63484, &data);
|
||||
h63484->cr |= data & 0xff;
|
||||
h63484->param_ptr = 0;
|
||||
h63484->sr &= ~H63484_SR_CED;
|
||||
m_cr = (data & 0xff) << 8;
|
||||
dequeue_w(&data);
|
||||
m_cr |= data & 0xff;
|
||||
m_param_ptr = 0;
|
||||
m_sr &= ~H63484_SR_CED;
|
||||
}
|
||||
else
|
||||
{
|
||||
h63484->pr[h63484->param_ptr] = (data & 0xff) << 8;
|
||||
dequeue_w(h63484, &data);
|
||||
h63484->pr[h63484->param_ptr] |= (data & 0xff);
|
||||
h63484->param_ptr++;
|
||||
m_pr[m_param_ptr] = (data & 0xff) << 8;
|
||||
dequeue_w(&data);
|
||||
m_pr[m_param_ptr] |= (data & 0xff);
|
||||
m_param_ptr++;
|
||||
}
|
||||
|
||||
switch (translate_command(h63484->cr))
|
||||
switch (translate_command(m_cr))
|
||||
{
|
||||
case COMMAND_INVALID:
|
||||
printf("H63484 '%s' Invalid Command Byte %02x\n", device->tag(), h63484->cr);
|
||||
h63484->sr |= H63484_SR_CER; // command error
|
||||
printf("H63484 '%s' Invalid Command Byte %02x\n", tag(), m_cr);
|
||||
m_sr |= H63484_SR_CER; // command error
|
||||
break;
|
||||
|
||||
case COMMAND_WPR: // 0x0800 & ~0x1f
|
||||
if (h63484->param_ptr == 1)
|
||||
if (m_param_ptr == 1)
|
||||
{
|
||||
printf("%04x\n",h63484->pr[0]);
|
||||
printf("%04x\n",m_pr[0]);
|
||||
|
||||
command_wpr_exec(device);
|
||||
command_end_seq(device);
|
||||
command_wpr_exec();
|
||||
command_end_seq();
|
||||
}
|
||||
break;
|
||||
|
||||
case COMMAND_RD:
|
||||
if (h63484->param_ptr == 0)
|
||||
if (m_param_ptr == 0)
|
||||
{
|
||||
printf("%08x %02x %02x\n", h63484->rwp,h63484->space->direct().read_raw_byte((h63484->rwp+0) & 0xfffff), h63484->space->direct().read_raw_byte((h63484->rwp+1) & 0xfffff));
|
||||
|
||||
queue_r(h63484, h63484->space->read_byte((h63484->rwp+0) & 0xfffff));
|
||||
queue_r(h63484, h63484->space->read_byte((h63484->rwp+1) & 0xfffff));
|
||||
h63484->rwp+=2;
|
||||
command_end_seq(device);
|
||||
//queue_r(h63484, h63484->space->read_byte((h63484->rwp+0) & 0xfffff));
|
||||
//queue_r(h63484, h63484->space->read_byte((h63484->rwp+1) & 0xfffff));
|
||||
m_rwp+=2;
|
||||
command_end_seq();
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void exec_abort_sequence(device_t *device)
|
||||
void h63484_device::exec_abort_sequence()
|
||||
{
|
||||
h63484_state *h63484 = get_safe_token(device);
|
||||
|
||||
fifo_w_clear(h63484);
|
||||
fifo_r_clear(h63484);
|
||||
h63484->sr = H63484_SR_WFR | H63484_SR_WFE | H63484_SR_CED; // hard-set to 0x23
|
||||
fifo_w_clear();
|
||||
fifo_r_clear();
|
||||
m_sr = H63484_SR_WFR | H63484_SR_WFE | H63484_SR_CED; // hard-set to 0x23
|
||||
}
|
||||
|
||||
static void check_video_registers(device_t *device, int offset)
|
||||
void h63484_device::check_video_registers(int offset)
|
||||
{
|
||||
h63484_state *h63484 = get_safe_token(device);
|
||||
UINT16 vreg_data;
|
||||
|
||||
vreg_data = (h63484->vreg[offset]<<8)|(h63484->vreg[offset+1]&0xff);
|
||||
vreg_data = (m_vreg[offset]<<8)|(m_vreg[offset+1]&0xff);
|
||||
|
||||
switch(offset)
|
||||
{
|
||||
@ -673,21 +678,18 @@ static void check_video_registers(device_t *device, int offset)
|
||||
break;
|
||||
case CCR: // Command Entry
|
||||
if(vreg_data & ABT) // abort sequence
|
||||
exec_abort_sequence(device);
|
||||
exec_abort_sequence();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
READ16_DEVICE_HANDLER( h63484_status_r )
|
||||
READ16_MEMBER( h63484_device::status_r )
|
||||
{
|
||||
h63484_state *h63484 = get_safe_token(device);
|
||||
|
||||
return h63484->sr;
|
||||
return m_sr;
|
||||
}
|
||||
|
||||
READ16_DEVICE_HANDLER( h63484_data_r )
|
||||
READ16_MEMBER( h63484_device::data_r )
|
||||
{
|
||||
//h63484_state *h63484 = get_safe_token(device);
|
||||
int res;
|
||||
|
||||
res = 0xffff;
|
||||
@ -695,93 +697,51 @@ READ16_DEVICE_HANDLER( h63484_data_r )
|
||||
return res;
|
||||
}
|
||||
|
||||
WRITE16_DEVICE_HANDLER( h63484_address_w )
|
||||
WRITE16_MEMBER( h63484_device::address_w )
|
||||
{
|
||||
h63484_state *h63484 = get_safe_token(device);
|
||||
|
||||
if(ACCESSING_BITS_0_7)
|
||||
h63484->ar = data & 0xff;
|
||||
m_ar = data & 0xff;
|
||||
}
|
||||
|
||||
WRITE16_DEVICE_HANDLER( h63484_data_w )
|
||||
WRITE16_MEMBER( h63484_device::data_w )
|
||||
{
|
||||
h63484_state *h63484 = get_safe_token(device);
|
||||
|
||||
if(LOG) printf("%s -> %02x\n",acrtc_regnames[h63484->ar/2],data);
|
||||
if(LOG) printf("%s -> %02x\n",acrtc_regnames[m_ar/2],data);
|
||||
|
||||
if(ACCESSING_BITS_8_15)
|
||||
h63484->vreg[h63484->ar] = (data & 0xff00) >> 8;
|
||||
m_vreg[m_ar] = (data & 0xff00) >> 8;
|
||||
|
||||
if(ACCESSING_BITS_0_7)
|
||||
h63484->vreg[h63484->ar+1] = (data & 0xff);
|
||||
m_vreg[m_ar+1] = (data & 0xff);
|
||||
|
||||
if(h63484->ar == 0)
|
||||
if(m_ar == 0)
|
||||
{
|
||||
queue_w(h63484, (data & 0xff00) >> 8);
|
||||
queue_w(h63484, (data & 0x00ff) >> 0);
|
||||
process_fifo(device);
|
||||
queue_w((data & 0xff00) >> 8);
|
||||
queue_w((data & 0x00ff) >> 0);
|
||||
process_fifo();
|
||||
}
|
||||
else
|
||||
check_video_registers(device,h63484->ar);
|
||||
check_video_registers(m_ar);
|
||||
|
||||
if(h63484->ar & 0x80)
|
||||
if(m_ar & 0x80)
|
||||
{
|
||||
h63484->ar+=2;
|
||||
h63484->ar &= 0xff; // TODO: what happens if it overflows?
|
||||
m_ar+=2;
|
||||
m_ar &= 0xff; // TODO: what happens if it overflows?
|
||||
}
|
||||
}
|
||||
|
||||
static DEVICE_START( h63484 )
|
||||
void h63484_device::device_start()
|
||||
{
|
||||
h63484_state *h63484 = get_safe_token(device);
|
||||
const h63484_interface *intf = get_interface(device);
|
||||
m_screen = machine().device<screen_device>(m_screen_tag);
|
||||
|
||||
h63484->display_func = intf->display_func;
|
||||
|
||||
h63484->screen = device->machine().device<screen_device>(intf->screen_tag);
|
||||
assert(h63484->screen != NULL);
|
||||
|
||||
h63484->space = device->memory().space(AS_0);
|
||||
h63484->vram = auto_alloc_array_clear(device->machine(), UINT8, 1 << 20);
|
||||
//h63484->space = device->memory().space(AS_0);
|
||||
m_vram = auto_alloc_array_clear(machine(), UINT8, 1 << 20);
|
||||
}
|
||||
|
||||
static DEVICE_RESET( h63484 )
|
||||
//-------------------------------------------------
|
||||
// device_reset - device-specific reset
|
||||
//-------------------------------------------------
|
||||
|
||||
void h63484_device::device_reset()
|
||||
{
|
||||
//h63484_state *h63484 = get_safe_token(device);
|
||||
|
||||
//h63484->fifo_counter = 0;
|
||||
// ...
|
||||
}
|
||||
|
||||
DEVICE_GET_INFO( h63484 )
|
||||
{
|
||||
switch (state)
|
||||
{
|
||||
/* --- the following bits of info are returned as 64-bit signed integers --- */
|
||||
case DEVINFO_INT_TOKEN_BYTES: info->i = sizeof(h63484_state); break;
|
||||
case DEVINFO_INT_DATABUS_WIDTH_0: info->i = 8; break;
|
||||
case DEVINFO_INT_ADDRBUS_WIDTH_0: info->i = 20; break;
|
||||
case DEVINFO_INT_ADDRBUS_SHIFT_0: info->i = -1; break;
|
||||
|
||||
/* --- the following bits of info are returned as pointers --- */
|
||||
case DEVINFO_PTR_ROM_REGION: info->romregion = ROM_NAME(h63484); break;
|
||||
|
||||
/* --- the following bits of info are returned as pointers to data --- */
|
||||
case DEVINFO_PTR_DEFAULT_MEMORY_MAP_0: info->default_map8 = NULL; break;
|
||||
|
||||
/* --- the following bits of info are returned as pointers to data or functions --- */
|
||||
case DEVINFO_FCT_START: info->start = DEVICE_START_NAME(h63484); break;
|
||||
case DEVINFO_FCT_STOP: /* Nothing */ break;
|
||||
case DEVINFO_FCT_RESET: info->reset = DEVICE_RESET_NAME(h63484); break;
|
||||
|
||||
/* --- the following bits of info are returned as NULL-terminated strings --- */
|
||||
case DEVINFO_STR_NAME: strcpy(info->s, "Hitachi 63484"); break;
|
||||
case DEVINFO_STR_SHORTNAME: strcpy(info->s, "h63484"); break;
|
||||
case DEVINFO_STR_FAMILY: strcpy(info->s, "Hitachi 63484 ACRTC"); break;
|
||||
case DEVINFO_STR_VERSION: strcpy(info->s, "1.0"); break;
|
||||
case DEVINFO_STR_SOURCE_FILE: strcpy(info->s, __FILE__); break;
|
||||
case DEVINFO_STR_CREDITS: strcpy(info->s, "Copyright MAME Team"); break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
DEFINE_LEGACY_MEMORY_DEVICE(H63484, h63484);
|
||||
|
||||
@ -5,17 +5,14 @@
|
||||
|
||||
**************************************************************************/
|
||||
|
||||
#ifndef __H63484_H__
|
||||
#define __H63484_H__
|
||||
#pragma once
|
||||
|
||||
#include "devlegcy.h"
|
||||
#ifndef __H63484__
|
||||
#define __H63484__
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
TYPE DEFINITIONS
|
||||
***************************************************************************/
|
||||
#include "emu.h"
|
||||
|
||||
DECLARE_LEGACY_MEMORY_DEVICE(H63484, h63484);
|
||||
|
||||
/***************************************************************************
|
||||
DEVICE CONFIGURATION MACROS
|
||||
@ -32,27 +29,89 @@ DECLARE_LEGACY_MEMORY_DEVICE(H63484, h63484);
|
||||
typedef void (*h63484_display_pixels_func)(device_t *device, bitmap_t *bitmap, int y, int x, UINT32 address, UINT16 data, UINT8 *vram);
|
||||
#define H63484_DISPLAY_PIXELS(name) void name(device_t *device, bitmap_t *bitmap, int y, int x, UINT32 address, UINT16 data, UINT8 *vram)
|
||||
|
||||
// ======================> h63484_interface
|
||||
|
||||
typedef struct _h63484_interface h63484_interface;
|
||||
struct _h63484_interface
|
||||
struct h63484_interface
|
||||
{
|
||||
const char *screen_tag; /* screen we are acting on */
|
||||
h63484_display_pixels_func display_func;
|
||||
const char *m_screen_tag; /* screen we are acting on */
|
||||
h63484_display_pixels_func m_display_cb;
|
||||
};
|
||||
|
||||
// ======================> upd7220_device
|
||||
|
||||
class h63484_device : public device_t,
|
||||
public device_memory_interface,
|
||||
public h63484_interface
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
h63484_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
|
||||
DECLARE_WRITE16_MEMBER( address_w );
|
||||
DECLARE_WRITE16_MEMBER( data_w );
|
||||
|
||||
DECLARE_READ16_MEMBER( status_r );
|
||||
DECLARE_READ16_MEMBER( data_r );
|
||||
|
||||
DECLARE_READ8_MEMBER( vram_r );
|
||||
DECLARE_WRITE8_MEMBER( vram_w );
|
||||
|
||||
void update_screen(bitmap_t *bitmap, const rectangle *cliprect);
|
||||
virtual const rom_entry *device_rom_region() const;
|
||||
virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const;
|
||||
|
||||
protected:
|
||||
// device-level overrides
|
||||
virtual void device_start();
|
||||
virtual void device_reset();
|
||||
//virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
|
||||
virtual void device_config_complete();
|
||||
|
||||
inline UINT8 readbyte(offs_t address);
|
||||
inline void writebyte(offs_t address, UINT8 data);
|
||||
|
||||
private:
|
||||
inline void fifo_w_clear();
|
||||
inline void queue_w(UINT8 data);
|
||||
inline void dequeue_w(UINT8 *data);
|
||||
inline void fifo_r_clear();
|
||||
inline void queue_r(UINT8 data);
|
||||
inline void dequeue_r(UINT8 *data);
|
||||
|
||||
void command_end_seq();
|
||||
void command_wpr_exec();
|
||||
void process_fifo();
|
||||
void exec_abort_sequence();
|
||||
void check_video_registers(int offset);
|
||||
int translate_command(UINT16 data);
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
DEVICE I/O FUNCTIONS
|
||||
***************************************************************************/
|
||||
screen_device *m_screen;
|
||||
|
||||
READ16_DEVICE_HANDLER( h63484_status_r );
|
||||
READ16_DEVICE_HANDLER( h63484_data_r );
|
||||
WRITE16_DEVICE_HANDLER( h63484_address_w );
|
||||
WRITE16_DEVICE_HANDLER( h63484_data_w );
|
||||
UINT8 *m_vram;
|
||||
UINT8 m_ar;
|
||||
UINT8 m_vreg[0x100];
|
||||
UINT8 m_sr;
|
||||
|
||||
READ8_DEVICE_HANDLER( h63484_vram_r );
|
||||
WRITE8_DEVICE_HANDLER( h63484_vram_w );
|
||||
UINT8 m_fifo[16]; /* FIFO W data queue */
|
||||
int m_fifo_ptr; /* FIFO W pointer */
|
||||
|
||||
UINT8 m_fifo_r[16]; /* FIFO R data queue */
|
||||
int m_fifo_r_ptr; /* FIFO R pointer */
|
||||
|
||||
|
||||
UINT16 m_cr;
|
||||
UINT16 m_pr[9]; /* parameter byte register */
|
||||
int m_param_ptr; /* parameter pointer */
|
||||
|
||||
UINT32 m_rwp;
|
||||
UINT8 m_rwp_dn;
|
||||
|
||||
const address_space_config m_space_config;
|
||||
};
|
||||
|
||||
// device type definition
|
||||
extern const device_type H63484;
|
||||
|
||||
#endif /* __H63484_H__ */
|
||||
|
||||
|
||||
@ -443,8 +443,8 @@ static READ8_DEVICE_HANDLER(t2_r)
|
||||
|
||||
static ADDRESS_MAP_START( skattv_mem, AS_PROGRAM, 16 )
|
||||
AM_RANGE(0x000000, 0x0fffff) AM_ROM
|
||||
AM_RANGE(0x800080, 0x800081) AM_DEVREADWRITE("h63484", h63484_status_r, h63484_address_w)
|
||||
AM_RANGE(0x800082, 0x800083) AM_DEVREADWRITE("h63484", h63484_data_r, h63484_data_w)
|
||||
AM_RANGE(0x800080, 0x800081) AM_DEVREADWRITE_MODERN("h63484", h63484_device, status_r, address_w)
|
||||
AM_RANGE(0x800082, 0x800083) AM_DEVREADWRITE_MODERN("h63484", h63484_device, data_r, data_w)
|
||||
AM_RANGE(0x800100, 0x800101) AM_READWRITE(test_r,wh2_w) //related to input
|
||||
AM_RANGE(0x800140, 0x800143) AM_DEVREADWRITE8("aysnd", ay8910_r, ay8910_address_data_w, 0x00ff) //18b too
|
||||
AM_RANGE(0x800180, 0x80019f) AM_DEVREADWRITE8("duart68681", duart68681_r, duart68681_w, 0xff )
|
||||
@ -456,8 +456,8 @@ ADDRESS_MAP_END
|
||||
static ADDRESS_MAP_START( quickjac_mem, AS_PROGRAM, 16 )
|
||||
AM_RANGE(0x000000, 0x0fffff) AM_ROM
|
||||
AM_RANGE(0x400000, 0x40001f) AM_DEVREADWRITE8("duart68681", duart68681_r, duart68681_w, 0xff )
|
||||
AM_RANGE(0x800080, 0x800081) AM_DEVREADWRITE("h63484", h63484_status_r, h63484_address_w) // bad
|
||||
AM_RANGE(0x800082, 0x800083) AM_DEVREADWRITE("h63484", h63484_data_r, h63484_data_w) // bad
|
||||
AM_RANGE(0x800080, 0x800081) AM_DEVREADWRITE_MODERN("h63484", h63484_device, status_r, address_w) // bad
|
||||
AM_RANGE(0x800082, 0x800083) AM_DEVREADWRITE_MODERN("h63484", h63484_device, data_r, data_w) // bad
|
||||
AM_RANGE(0x800100, 0x8001ff) AM_READ(test_r) //18b too
|
||||
AM_RANGE(0xffc000, 0xffffff) AM_RAM
|
||||
ADDRESS_MAP_END
|
||||
@ -509,8 +509,8 @@ static WRITE8_HANDLER( ramdac_io_w )
|
||||
|
||||
static ADDRESS_MAP_START( funland_mem, AS_PROGRAM, 16 )
|
||||
AM_RANGE(0x000000, 0x0fffff) AM_ROM
|
||||
AM_RANGE(0x800080, 0x800081) AM_DEVREADWRITE("h63484", h63484_status_r, h63484_address_w)
|
||||
AM_RANGE(0x800082, 0x800083) AM_DEVREADWRITE("h63484", h63484_data_r, h63484_data_w)
|
||||
AM_RANGE(0x800080, 0x800081) AM_DEVREADWRITE_MODERN("h63484", h63484_device, status_r, address_w)
|
||||
AM_RANGE(0x800082, 0x800083) AM_DEVREADWRITE_MODERN("h63484", h63484_device, data_r, data_w)
|
||||
AM_RANGE(0x800088, 0x80008d) AM_WRITE8(ramdac_io_w, 0x00ff)
|
||||
AM_RANGE(0x800100, 0x800101) AM_RAM //???
|
||||
AM_RANGE(0x800140, 0x800143) AM_DEVREADWRITE8("aysnd", ay8910_r, ay8910_address_data_w, 0x00ff) //18b too
|
||||
@ -521,8 +521,8 @@ ADDRESS_MAP_END
|
||||
static ADDRESS_MAP_START( fstation_mem, AS_PROGRAM, 16 )
|
||||
AM_RANGE(0x000000, 0x0fffff) AM_ROM
|
||||
//400000-40001f?
|
||||
AM_RANGE(0x800080, 0x800081) AM_DEVREADWRITE("h63484", h63484_status_r, h63484_address_w)
|
||||
AM_RANGE(0x800082, 0x800083) AM_DEVREADWRITE("h63484", h63484_data_r, h63484_data_w)
|
||||
AM_RANGE(0x800080, 0x800081) AM_DEVREADWRITE_MODERN("h63484", h63484_device, status_r, address_w)
|
||||
AM_RANGE(0x800082, 0x800083) AM_DEVREADWRITE_MODERN("h63484", h63484_device, data_r, data_w)
|
||||
AM_RANGE(0x800100, 0x800101) AM_RAM //???
|
||||
AM_RANGE(0x800140, 0x800143) AM_DEVREADWRITE8("aysnd", ay8910_r, ay8910_address_data_w, 0x00ff) //18b too
|
||||
AM_RANGE(0x800180, 0x80019f) AM_DEVREADWRITE8("duart68681", duart68681_r, duart68681_w, 0xff )
|
||||
@ -643,12 +643,12 @@ static READ8_HANDLER( h63484_rom_r )
|
||||
}
|
||||
|
||||
static ADDRESS_MAP_START( adp_h63484_map, AS_0, 8 )
|
||||
AM_RANGE(0x00000, 0x7ffff) AM_DEVREADWRITE("h63484",h63484_vram_r,h63484_vram_w)
|
||||
AM_RANGE(0x00000, 0x7ffff) AM_DEVREADWRITE_MODERN("h63484",h63484_device, vram_r,vram_w)
|
||||
AM_RANGE(0x80000, 0xbffff) AM_READ(h63484_rom_r)
|
||||
ADDRESS_MAP_END
|
||||
|
||||
static ADDRESS_MAP_START( fashiong_h63484_map, AS_0, 8 )
|
||||
AM_RANGE(0x00000, 0x7ffff) AM_DEVREADWRITE("h63484",h63484_vram_r,h63484_vram_w)
|
||||
AM_RANGE(0x00000, 0x7ffff) AM_DEVREADWRITE_MODERN("h63484",h63484_device, vram_r,vram_w)
|
||||
// AM_RANGE(0x40000, 0x7ffff) AM_ROM AM_REGION("gfx1", 0)
|
||||
ADDRESS_MAP_END
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user