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sda5708: added layout support, state saving and a credits section

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This commit is contained in:
Joakim Larsson Edstrom 2017-07-20 10:18:02 +02:00
parent 233c8efa3c
commit 883f12fa2f
2 changed files with 84 additions and 10 deletions
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89
src/devices/video/sda5708.cpp
View File

@ -4,8 +4,12 @@
Siemens SDA5708 8 character 7x5 dot matrix LED display
**********************************************************************/
**********************************************************************
Main source of information about the SDA5708 came from San Bergmans:
http://www.sbprojects.com/knowledge/footprints/sda5708/index.php
**********************************************************************/
#include "emu.h"
#include "sda5708.h"
@ -17,9 +21,10 @@
#define LOG_SETUP (1U << 1)
#define LOG_CMD (1U << 2)
#define LOG_DATA (1U << 3)
#define LOG_CNTR (1U << 4)
//#define VERBOSE (LOG_DATA|LOG_SETUP|LOG_CMD|LOG_GENERAL)
//#define LOG_OUTPUT_FUNC printf
//#define VERBOSE (LOG_DATA|LOG_SETUP|LOG_CMD|LOG_CNTR|LOG_GENERAL)
#define LOG_OUTPUT_FUNC printf // must always be enabled as logerror is not available here
#include "logmacro.h"
@ -27,6 +32,7 @@
#define LOGSETUP(...) LOGMASKED(LOG_SETUP, __VA_ARGS__)
#define LOGCMD(...) LOGMASKED(LOG_CMD, __VA_ARGS__)
#define LOGDATA(...) LOGMASKED(LOG_DATA, __VA_ARGS__)
#define LOGCNTR(...) LOGMASKED(LOG_CNTR, __VA_ARGS__)
#ifdef _MSC_VER
#define FUNCNAME __func__
@ -56,6 +62,16 @@ DEFINE_DEVICE_TYPE(SDA5708, sda5708_device, "sda5708", "SDA570
sda5708_device::sda5708_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, SDA5708, tag, owner, clock)
, m_serial(0)
, m_load(0)
, m_reset(0)
, m_data(0)
, m_sdclk(0)
, m_cdp(0)
, m_digit(0)
, m_bright(0)
, m_clear(0)
, m_ip(0)
{
}
@ -68,6 +84,16 @@ void sda5708_device::device_start()
{
LOG("%s\n", FUNCNAME);
// register for state saving
save_item(NAME(m_serial));
save_item(NAME(m_load));
save_item(NAME(m_reset));
save_item(NAME(m_data));
save_item(NAME(m_sdclk));
save_item(NAME(m_cdp));
save_item(NAME(m_digit));
save_item(NAME(m_bright));
save_item(NAME(m_clear));
save_item(NAME(m_ip));
}
@ -78,6 +104,12 @@ void sda5708_device::device_start()
void sda5708_device::device_reset()
{
LOG("%s\n", FUNCNAME);
m_ip = 0;
m_clear = 0;
m_bright = 0;
m_digit = 0;
memset(m_dispmem, 0x00, sizeof(m_dispmem));
update_display();
}
//-------------------------------------------------
@ -90,6 +122,25 @@ void sda5708_device::device_reset()
// on the same bus.
//-------------------------------------------------
void sda5708_device::update_display()
{
LOG("%s\n", FUNCNAME);
for (int d = 1; d <= 8; d++)
{
for (int y = 1; y <= 7; y++)
{
LOGDATA("- SDA5708 data: ");
for (int x = 1; x <= 5; x++)
{
machine().output().set_indexed_value("Dot_", d * 100 + y * 10 + x, (m_dispmem[(d - 1) * 7 + y] & (1 << (4 - (x - 1)))) == 0 ? 7 : m_bright );
LOGDATA("%c", (m_dispmem[(d - 1) * 7 + (y - 1)] & (1 << (4 - (x - 1)))) == 0 ? '-' : 'x');
}
LOGDATA("\n");
}
LOGDATA("\n");
}
}
WRITE_LINE_MEMBER( sda5708_device::load_w )
{
LOG("%s - line %s\n", FUNCNAME, state == ASSERT_LINE ? "asserted" : "cleared");
@ -98,11 +149,20 @@ WRITE_LINE_MEMBER( sda5708_device::load_w )
switch (m_serial & SDA5708_REG_MASK)
{
case SDA5708_CNTR_COMMAND:
LOGCMD("- Control command: %0x02\n", m_serial & 0x1f);
LOGCMD("- Control command: %02x\n", m_serial);
m_bright = m_serial & 0x07;
m_clear = m_serial & 0x20;
m_ip = m_serial & 0x80;
LOGCNTR("- SDA5708 control command - Clear:%d IP:%d Bright:%d\n", m_clear, m_ip, m_bright);
break;
case SDA5708_CLEAR_COMMAND:
LOGCMD("- Display cleared\n");
memset(m_dispmem, 0x00, sizeof(m_dispmem));
update_display();
m_bright = m_serial & 0x07;
m_clear = m_serial & 0x20;
m_ip = m_serial & 0x80;
LOGCNTR("- SDA5708 clear command - Clear:%d IP:%d Bright:%d\n", m_clear, m_ip, m_bright);
break;
case SDA5708_ADDR_COMMAND:
LOGCMD("- Address command: %02x\n", m_serial & 0x1f);
@ -112,12 +172,20 @@ WRITE_LINE_MEMBER( sda5708_device::load_w )
case SDA5708_DATA_COMMAND:
LOGCMD("- Data command: %02x\n", m_serial & 0x1f);
LOGDATA("- SDA5708 data: %c%c%c%c%c\n",
(m_serial & 0x10) ? 'x' : ' ',
(m_serial & 0x08) ? 'x' : ' ',
(m_serial & 0x04) ? 'x' : ' ',
(m_serial & 0x02) ? 'x' : ' ',
(m_serial & 0x01) ? 'x' : ' ' );
(m_serial & 0x10) ? (m_clear == 0 ? 'o' : 'x') : ' ',
(m_serial & 0x08) ? (m_clear == 0 ? 'o' : 'x') : ' ',
(m_serial & 0x04) ? (m_clear == 0 ? 'o' : 'x') : ' ',
(m_serial & 0x02) ? (m_clear == 0 ? 'o' : 'x') : ' ',
(m_serial & 0x01) ? (m_clear == 0 ? 'o' : 'x') : ' ' );
m_dispmem[m_digit * 7 + m_cdp] = m_serial;
if (m_clear != 0)
{
machine().output().set_indexed_value("Dot_", (m_digit + 1) * 100 + (m_cdp + 1) * 10 + 1, (m_serial & 0x10) ? m_bright : 7 );
machine().output().set_indexed_value("Dot_", (m_digit + 1) * 100 + (m_cdp + 1) * 10 + 2, (m_serial & 0x08) ? m_bright : 7 );
machine().output().set_indexed_value("Dot_", (m_digit + 1) * 100 + (m_cdp + 1) * 10 + 3, (m_serial & 0x04) ? m_bright : 7 );
machine().output().set_indexed_value("Dot_", (m_digit + 1) * 100 + (m_cdp + 1) * 10 + 4, (m_serial & 0x02) ? m_bright : 7 );
machine().output().set_indexed_value("Dot_", (m_digit + 1) * 100 + (m_cdp + 1) * 10 + 5, (m_serial & 0x01) ? m_bright : 7 );
}
m_cdp = (m_cdp + 1) % 7;
break;
default:
@ -128,7 +196,6 @@ WRITE_LINE_MEMBER( sda5708_device::load_w )
m_load = state;
}
//-------------------------------------------------
// data_w - data line
//
@ -177,4 +244,6 @@ WRITE_LINE_MEMBER( sda5708_device::reset_w )
{
LOG("%s - line %s\n", FUNCNAME, state == ASSERT_LINE ? "asserted" : "cleared");
m_reset = state;
if (state == ASSERT_LINE)
device_reset();
}

5
src/devices/video/sda5708.h
View File

@ -71,6 +71,8 @@ protected:
virtual void device_start() override;
virtual void device_reset() override;
void update_display();
private:
enum {
SDA5708_REG_MASK = 0xE0,
@ -111,6 +113,9 @@ private:
uint8_t m_dispmem[7 * 8];
uint8_t m_cdp;
uint8_t m_digit;
uint8_t m_bright;
uint8_t m_clear;
uint8_t m_ip;
};