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skeleton/e100.cpp: Minor cleanup.

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- Simplified screen_update, and corrected character width of 6 pixels.
This commit is contained in:
Nigel Barnes 2025-04-26 23:36:53 +01:00
parent f35880d60f
commit 1f2d605efd
1 changed files with 98 additions and 140 deletions
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238
src/mame/skeleton/e100.cpp
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@ -7,7 +7,7 @@
* See didact.cpp
*
* The Esselte 100 was an original design with a CRT and a full Keyboard that also had a BASIC interpreter
* extended with commands suitable for educational experiments using the exapansion bus and its built in
* extended with commands suitable for educational experiments using the expansion bus and its built in
* io control capabilities.
*
* The Esselte 1000 was an educational package based on Apple II plus software and literature but the relation
@ -29,17 +29,18 @@
****************************************************************************/
#include "emu.h"
#include "bus/rs232/rs232.h"
#include "cpu/m6800/m6800.h"
#include "imagedev/cassette.h"
#include "machine/6821pia.h"
#include "machine/74145.h"
#include "machine/timer.h"
// Features
#include "imagedev/cassette.h"
#include "bus/rs232/rs232.h"
#include "speaker.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.h"
//**************************************************************************
// MACROS / CONSTANTS
@ -69,8 +70,6 @@
#define FUNCNAME __PRETTY_FUNCTION__
#endif
#define PIA1_TAG "pia1"
#define PIA2_TAG "pia2"
/* __________________________________________________________________________________________________________________________________________
* | The Didact Esselte 100 CPU board rev1, 14/8 1980 in-PCB coil +----
@ -98,7 +97,7 @@
* |___________________________________________________________________________________________________________+----+__+----+__+----+_____+----
*
* rev2 board had 4Kb more ROM memory, 2 x 2764 instead of the 6 x 2716 (note the rev1 piggyback on rightmost 2716) with funny address decoding.
* Once we get a rom dump for rev 1 the driver need to accomodate another keymap too so probably needs to be splitted somehow.
* Once we get a rom dump for rev 1 the driver need to accommodate another keymap too so probably needs to be split somehow.
* __________________________________________________________________________________________________________________________________________
* | The Didact Esselte 100 CPU board rev2, 15/4 1983 in-PCB coil +----
* | +--+ +--+ +--+ +--+ +--+ +--+ +--------+ |VHF
@ -128,38 +127,31 @@
*/
namespace {
namespace {
/* Esselte 100 driver class */
class e100_state : public driver_device
{
public:
e100_state(const machine_config &mconfig, device_type type, const char * tag)
: driver_device(mconfig, type, tag)
,m_maincpu(*this, "maincpu")
,m_kbd_74145(*this, "kbd_74145")
,m_vram(*this, "vram")
,m_cassette(*this, "cassette")
,m_rs232(*this, "rs232")
,m_chargen(*this, "chargen")
,m_io_line0(*this, "LINE0")
,m_io_line1(*this, "LINE1")
,m_io_line2(*this, "LINE2")
,m_io_line3(*this, "LINE3")
,m_io_line4(*this, "LINE4")
,m_io_line5(*this, "LINE5")
,m_io_line6(*this, "LINE6")
,m_io_line7(*this, "LINE7")
,m_io_line8(*this, "LINE8")
,m_io_line9(*this, "LINE9")
,m_pia1(*this, PIA1_TAG)
,m_pia2(*this, PIA2_TAG)
,m_pia1_B(0)
,m_50hz(0)
{ }
, m_maincpu(*this, "maincpu")
, m_kbd_74145(*this, "kbd_74145")
, m_vram(*this, "vram")
, m_cassette(*this, "cassette")
, m_rs232(*this, "rs232")
, m_chargen(*this, "chargen")
, m_io_line(*this, "LINE%u", 0)
, m_pia(*this, "pia%u", 1)
, m_pia1_B(0)
, m_50hz(0)
{ }
void e100(machine_config &config);
protected:
virtual void machine_reset() override { m_maincpu->reset(); LOG("--->%s()\n", FUNCNAME); };
virtual void machine_start() override ATTR_COLD;
private:
required_device<m6802_cpu_device> m_maincpu;
required_device<ttl74145_device> m_kbd_74145;
@ -167,9 +159,11 @@ private:
required_device<cassette_image_device> m_cassette;
optional_device<rs232_port_device> m_rs232;
required_region_ptr<uint8_t> m_chargen;
required_ioport_array<10> m_io_line;
required_device_array<pia6821_device, 2> m_pia;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
virtual void machine_reset() override { m_maincpu->reset(); LOG("--->%s()\n", FUNCNAME); };
virtual void machine_start() override ATTR_COLD;
uint8_t pia_r(offs_t offset);
void pia_w(offs_t offset, uint8_t data);
uint8_t pia1_kbA_r();
@ -178,28 +172,18 @@ private:
void pia1_kbB_w(uint8_t data);
void pia1_ca2_w(int state);
void pia1_cb2_w(int state);
TIMER_DEVICE_CALLBACK_MEMBER(rtc_w);
void e100_map(address_map &map) ATTR_COLD;
required_ioport m_io_line0;
required_ioport m_io_line1;
required_ioport m_io_line2;
required_ioport m_io_line3;
required_ioport m_io_line4;
required_ioport m_io_line5;
required_ioport m_io_line6;
required_ioport m_io_line7;
required_ioport m_io_line8;
required_ioport m_io_line9;
required_device<pia6821_device> m_pia1;
required_device<pia6821_device> m_pia2;
uint8_t m_pia1_B;
uint8_t m_50hz;
};
TIMER_DEVICE_CALLBACK_MEMBER(e100_state::rtc_w)
{
m_pia2->ca1_w((m_50hz++ & 1));
m_pia[1]->ca1_w(m_50hz++ & 1);
}
void e100_state::machine_start()
@ -213,37 +197,20 @@ void e100_state::machine_start()
uint32_t e100_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
int x, y;
int vramad;
uint8_t *chardata;
uint8_t charcode;
LOGSCREEN("%s()\n", FUNCNAME);
vramad = 0;
for (int row = 0; row < 32 * 8; row += 8)
for (int y = cliprect.min_y; y <= cliprect.max_y; y++)
{
for (int col = 0; col < 32 * 8; col += 8)
{
/* look up the character data */
charcode = m_vram[vramad];
if (VERBOSE && charcode != 0x20 && charcode != 0) LOGSCREEN("\n %c at X=%d Y=%d: ", charcode, col, row);
chardata = &m_chargen[(charcode * 8)];
/* plot the character */
for (y = 0; y < 8; y++)
{
if (VERBOSE && charcode != 0x20 && charcode != 0) LOGSCREEN("\n %02x: ", *chardata);
for (x = 0; x < 8; x++)
{
if (VERBOSE && charcode != 0x20 && charcode != 0) LOGSCREEN(" %02x: ", *chardata);
bitmap.pix(row + y, col + x) = (*chardata & (1 << x)) ? 1 : 0;
}
chardata++;
}
vramad++;
}
if (VERBOSE && charcode != 0x20 && charcode != 0) LOGSCREEN("\n");
}
uint16_t vram_addr = (y >> 3) * 32;
for (int col = 0; col < 32 * 6; col += 6)
{
for (int x = 0; x < 6; x++)
{
bitmap.pix(y, col + x) = BIT(m_chargen[(m_vram[vram_addr] << 3) | (y & 7)], x);
}
vram_addr++;
}
}
return 0;
}
@ -254,12 +221,12 @@ void e100_state::pia_w(offs_t offset, uint8_t data)
if ((offset & 0x08) == 0x08)
{
LOG("- PIA1\n");
m_pia1->write(offset, data);
m_pia[0]->write(offset, data);
}
if ((offset & 0x10) == 0x10)
{
LOG("- PIA2\n");
m_pia2->write(offset, data);
m_pia[1]->write(offset, data);
}
if (VERBOSE && (offset & 0x18) == 0x18)
{
@ -280,23 +247,24 @@ uint8_t e100_state::pia_r(offs_t offset)
{
case 0x18: // read PIA1 and PIA2 at the same time, should really only happen for writes...
{
uint8_t data1 = m_pia1->read(offset);
uint8_t data2 = m_pia2->read(offset);
uint8_t data1 = m_pia[0]->read(offset);
uint8_t data2 = m_pia[1]->read(offset);
logerror("%s: Dual device read may have caused unpredictable results on real hardware\n", FUNCNAME);
data = data1 & data2; // We assume that the stable behaviour is that data lines with a low level by either device succeeds
LOGCS("%s %s[%02x] %02x & %02x -> %02x Dual device read!!\n", PIA1_TAG "/" PIA2_TAG, FUNCNAME, offset, data1, data2, data);
LOGCS("%s %s[%02x] %02x & %02x -> %02x Dual device read!!\n", "pia1/pia2", FUNCNAME, offset, data1, data2, data);
}
break;
case 0x08: // PIA1
data = m_pia1->read(offset);
LOGCS("%s %s(%02x)\n", PIA1_TAG, FUNCNAME, data);
data = m_pia[0]->read(offset);
LOGCS("%s %s(%02x)\n", "pia1", FUNCNAME, data);
break;
case 0x10: // PIA2
data = m_pia2->read(offset);
LOGCS("%s %s(%02x)\n", PIA2_TAG, FUNCNAME, data);
data = m_pia[1]->read(offset);
LOGCS("%s %s(%02x)\n", "pia2", FUNCNAME, data);
break;
default: // None of the devices are selected
logerror("%s: Funny read at offset %02x\n", FUNCNAME, offset);
break;
}
return data;
}
@ -308,31 +276,24 @@ void e100_state::pia1_kbA_w(uint8_t data)
uint8_t e100_state::pia1_kbA_r()
{
int ls145;
uint8_t pa = 0x00;
uint16_t ls145;
uint8_t pa = 0xff;
// Read out the selected column
ls145 = m_kbd_74145->read() & 0x3ff;
// read out the artwork
switch (ls145)
// read out the keyboard
for (int i = 0; i < 10; i++)
{
case 0: pa = 0x00; break;
case 1 << 0: pa = (~m_io_line0->read()) & 0xff; break;
case 1 << 1: pa = (~m_io_line1->read()) & 0xff; break;
case 1 << 2: pa = (~m_io_line2->read()) & 0xff; break;
case 1 << 3: pa = (~m_io_line3->read()) & 0xff; break;
case 1 << 4: pa = (~m_io_line4->read()) & 0xff; break;
case 1 << 5: pa = (~m_io_line5->read()) & 0xff; break;
case 1 << 6: pa = (~m_io_line6->read()) & 0xff; break;
case 1 << 7: pa = (~m_io_line7->read()) & 0xff; break;
case 1 << 8: pa = (~m_io_line8->read()) & 0xff; break;
case 1 << 9: pa = (~m_io_line9->read()) & 0xff; break;
default: logerror("Keyboard is misconfigured, please report!: %04x", ls145); break;
if (BIT(ls145, i))
{
pa = (m_io_line[i]->read()) & 0xff;
break;
}
}
if (VERBOSE && ls145 && pa) LOGSCAN("%s [%03x]%04x\n", FUNCNAME, ls145, pa);
return ~pa;
return pa;
}
/*
@ -343,7 +304,7 @@ uint8_t e100_state::pia1_kbA_r()
The serial bitbanging performs unreliably atm, can be poor original code or inexact CPU timing.
Best results is achieved with 8 bit at 9600 baud as follows:
mame e100 -window -rs232 null_modem -bitbngr socket.127.0.0.1:4321
mame e100 -rs232 null_modem -bitbngr socket.127.0.0.1:4321
Start the favourite Telnet client towards the 4321 port and exit the startup screen of MAME.
At the "Esselte 100 #" prompt change to 8 bit communication and start the terminal mode:
@ -356,7 +317,7 @@ uint8_t e100_state::pia1_kbA_r()
it receives a carriage return from the terminal at which point it will start sending again.
TODO:
- Fix key mapping of the Ctl-PI exit sequence to get out of the TERM mode.
- Fix key mapping of the Ctrl-PI exit sequence to get out of the TERM mode.
- Fix timing issues for the PIA bit banging, could be related to that the CPU emulation is not
cycle exact or the ROM code is buggy
*/
@ -367,13 +328,10 @@ uint8_t e100_state::pia1_kbA_r()
#define CASS_IN 0x80
void e100_state::pia1_kbB_w(uint8_t data)
{
uint8_t col;
// Keyboard
// if (VERBOSE && data != m_pia1_B) LOGSCAN("%s(%02x)\n", FUNCNAME, data);
m_pia1_B = data;
col = data & 0x0f;
m_kbd_74145->write( col );
m_kbd_74145->write(data & 0x0f);
// Cassette
m_cassette->output(data & CASS_OUT ? 1.0 : -1.0);
@ -395,7 +353,7 @@ uint8_t e100_state::pia1_kbB_r()
void e100_state::pia1_ca2_w(int state)
{
// TODO: Make this a slot device to trigger time meassurements
// TODO: Make this a slot device to trigger time measurements
}
void e100_state::pia1_cb2_w(int state)
@ -403,13 +361,13 @@ void e100_state::pia1_cb2_w(int state)
m_rs232->write_txd(!state);
}
// This map is derived from info in "TEMAL 100 - teknisk manual Esselte 100"
// This map is derived from info in "TEMAL 100 - Teknisk manual Esselte 100"
void e100_state::e100_map(address_map &map)
{
map(0x0000, 0x1fff).ram();
map(0x8000, 0x87ff).rom().region("roms", 0);
map(0xc000, 0xc3ff).ram().share(m_vram);
map(0xc800, 0xc81f).rw(FUNC(e100_state::pia_r), FUNC(e100_state::pia_w)).mirror(0x07e0);
map(0xc800, 0xc81f).mirror(0x07e0).rw(FUNC(e100_state::pia_r), FUNC(e100_state::pia_w));
map(0xd000, 0xffff).rom().region("roms", 0x1000);
}
@ -417,18 +375,18 @@ void e100_state::e100_map(address_map &map)
* Four e100 keys are not mapped yet,
* - The redundant '*' on the keyboard together with the '\'' single quote, both on same e100 key
* - The 'E' key on the keypad, presumably used for calculator applications to remove the last entered number
* - The 'Break' key on rev2 will be mapped to NMI at some point, a recomended modification of the rev1 mother board
* - The 'Break' key on rev2 will be mapped to NMI at some point, a recommended modification of the rev1 mother board
* - The 'REPT' key has a so far unknown function
*/
static INPUT_PORTS_START( e100 )
/* Bits read on PIA1 A when issueing line number on PIA1 B bits 0-3 through a 74145 demultiplexer */
/* Bits read on PIA1 A when issuing line number on PIA1 B bits 0-3 through a 74145 demultiplexer */
PORT_START("LINE0")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("REPT") /* Not mapped yet */
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("REPT") PORT_CODE(KEYCODE_TAB)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
@ -453,43 +411,43 @@ static INPUT_PORTS_START( e100 )
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR('*')
PORT_START("LINE3")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(0xF6) PORT_CHAR(0xD6)
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(0xf6) PORT_CHAR(0xd6)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR(':')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR(')') PORT_CHAR('9')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('=')
PORT_START("LINE4")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(0xE4) PORT_CHAR(0xC4)
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(0xe4) PORT_CHAR(0xc4)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('-') PORT_CHAR('_')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR(';')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(0xE5) PORT_CHAR(0xC5)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(0xe5) PORT_CHAR(0xc5)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('+') PORT_CHAR('?')
PORT_START("LINE5")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("'/*") /* No good mapping */
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\'') PORT_CHAR('*')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('/')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('^')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("PI") PORT_CODE(KEYCODE_ESC) PORT_CHAR(0x27)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"\u03c0") PORT_CODE(KEYCODE_ESC) PORT_CHAR(0x27) // U+03c0 = π
PORT_START("LINE6")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_CHAR(UCHAR_MAMEKEY(UP))
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"\u2190 \u2191") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_CHAR(UCHAR_MAMEKEY(UP)) // U+2190 = ←, U+2191 = ↑
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"\u2192 \u2193") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CHAR(UCHAR_MAMEKEY(DOWN))// U+2192 = →, U+2193 = ↓
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('&') PORT_CHAR('6')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r')
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r')
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('<') PORT_CHAR('>')
PORT_START("LINE7")
@ -504,7 +462,7 @@ static INPUT_PORTS_START( e100 )
PORT_START("LINE8")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(STOP))
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad .") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(STOP))
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
@ -513,8 +471,8 @@ static INPUT_PORTS_START( e100 )
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
PORT_START("LINE9")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad E") /* No good mapping */
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad E") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD))
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
@ -525,7 +483,7 @@ INPUT_PORTS_END
void e100_state::e100(machine_config &config)
{
M6802(config, m_maincpu, XTAL(4'000'000));
M6802(config, m_maincpu, 4_MHz_XTAL);
m_maincpu->set_ram_enable(false);
m_maincpu->set_addrmap(AS_PROGRAM, &e100_state::e100_map);
@ -547,26 +505,26 @@ void e100_state::e100(machine_config &config)
/* 0xF894 0xC818 (PIA2 Control A) = 0x34 - CA2 is low and lock DDRA */
/* 0xF896 0xC818 (PIA1 Control B) = 0x34 - CB2 is low and lock DDRB */
/* 0xF896 0xC818 (PIA2 Control B) = 0x34 - CB2 is low and lock DDRB */
PIA6821(config, m_pia1);
m_pia1->writepa_handler().set(FUNC(e100_state::pia1_kbA_w));
m_pia1->readpa_handler().set(FUNC(e100_state::pia1_kbA_r));
m_pia1->writepb_handler().set(FUNC(e100_state::pia1_kbB_w));
m_pia1->readpb_handler().set(FUNC(e100_state::pia1_kbB_r));
m_pia1->ca1_w(ASSERT_LINE); // TODO: Make this a slot device for time meassurements. Default is handshake for serial port TODO: Fix RS 232 handshake as default
m_pia1->ca2_handler().set(FUNC(e100_state::pia1_ca2_w));
m_pia1->cb2_handler().set(FUNC(e100_state::pia1_cb2_w));
PIA6821(config, m_pia[0]);
m_pia[0]->writepa_handler().set(FUNC(e100_state::pia1_kbA_w));
m_pia[0]->readpa_handler().set(FUNC(e100_state::pia1_kbA_r));
m_pia[0]->writepb_handler().set(FUNC(e100_state::pia1_kbB_w));
m_pia[0]->readpb_handler().set(FUNC(e100_state::pia1_kbB_r));
m_pia[0]->ca1_w(ASSERT_LINE); // TODO: Make this a slot device for time measurements. Default is handshake for serial port TODO: Fix RS232 handshake as default
m_pia[0]->ca2_handler().set(FUNC(e100_state::pia1_ca2_w));
m_pia[0]->cb2_handler().set(FUNC(e100_state::pia1_cb2_w));
/* The optional second PIA enables the expansion port on CA1 and a software RTC with 50Hz resolution */
PIA6821(config, m_pia2);
m_pia2->irqa_handler().set_inputline("maincpu", M6800_IRQ_LINE);
PIA6821(config, m_pia[1]);
m_pia[1]->irqa_handler().set_inputline("maincpu", M6800_IRQ_LINE);
/* Serial port support */
RS232_PORT(config, m_rs232, default_rs232_devices, nullptr);
m_rs232->rxd_handler().set(m_pia1, FUNC(pia6821_device::cb1_w));
m_rs232->rxd_handler().set(m_pia[0], FUNC(pia6821_device::cb1_w));
SPEAKER(config, "mono").front_center();
/* Cassette support - E100 uses 300 baud Kansas City Standard with 1200/2400 Hz modulation */
/* NOTE on usage: mame e100 -window -cass <wav file> -ui_active
/* NOTE on usage: mame e100 -cass <wav file>
* Once running enable/disable internal UI by pressing Scroll Lock in case it interferes with target keys
* Open the internal UI by pressing TAB and then select 'Tape Control' or use F2/Shift F2 for PLAY/PAUSE
* In order to use a wav file it has first to be created using TAB and select the 'File manager'
@ -579,7 +537,7 @@ void e100_state::e100(machine_config &config)
/* screen TODO: simplify the screen config, look at zx.cpp */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_raw(XTAL(4'000'000)/2, 265, 0, 265, 265, 0, 265);
screen.set_raw(4_MHz_XTAL, 265, 0, 256, 265, 0, 256);
screen.set_screen_update(FUNC(e100_state::screen_update));
screen.set_palette("palette");
PALETTE(config, "palette", palette_device::MONOCHROME);
@ -602,7 +560,7 @@ ROM_START( e100 )
ROMX_LOAD( "e100r1u205.bin", 0x3000, 0x0800, NO_DUMP, ROM_BIOS(0) )
ROMX_LOAD( "e100r1u206.bin", 0x3800, 0x0800, NO_DUMP, ROM_BIOS(0) )
/* This is a prototype ROM, commercial relase not verified. The prototype also have different keyboard and supports
/* This is a prototype ROM, commercial release not verified. The prototype also have different keyboard and supports
more ram so might need to be split out as a clone later */
ROM_SYSTEM_BIOS(1, "rev2-basic", "Esselte 100 rev2 BASIC")
ROMX_LOAD( "e100r2u201.bin", 0x0000, 0x2000, CRC(53513b67) SHA1(a91c5c32aead82dcc87db5d818ff286a7fc6a5c8), ROM_BIOS(1) )