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- amstr_pc.cpp: added hardware info for ppc512 / ppc640 [Guru]

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- jungleyo.cpp: very minor comments corrections
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Ivan Vangelista 2021-01-23 09:12:32 +01:00
parent 2eb851f3bc
commit d7329570d4
1 changed files with 173 additions and 8 deletions
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181
src/mame/drivers/amstr_pc.cpp
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@ -2,7 +2,7 @@
// copyright-holders:Wilbert Pol
/***************************************************************************
drivers/amstr_pc.c
drivers/amstr_pc.cpp
Driver file for Amstrad PC1512 and related machines.
@ -24,6 +24,165 @@ Amstrad PC1640
More information can be found at http://www.seasip.info/AmstradXT/1640tech/index.html
***************************************************************************
Amstrad PPC512/PPC640, Amstrad 1987
Hardware info by Guru
-----------------------------------
The Amstrad PPC512/PPC640 is an XT-class portable PC with a built in
mono 9" LCD screen supporting CGA and MDA.
The specification includes:
- NEC V30 (8086-compatible) 16-bit CPU at 8MHz (Sony CXQ70116P-8)
- For PPC640, 640k RAM & 64k video memory
For PPC512, 512k RAM & 64k video memory. Main RAM can be expanded to 640k
by inserting the correct type of DRAMs into the 6 unpopulated locations on the motherboard
- Integrated display adapter compatible with CGA and MDA
- Built in mono 640 x 200 pixel 9" LCD screen, tiltable with contrast adjustment
- 25 pin parallel printer port
- 25 pin serial port
- Internal 2400bps modem (PPC640 only, via optional plug-in PCB)
- Enhanced AT-type keyboard with 101 or 102 keys
- Single or twin 720k 3 1/2" floppy drive
- MSDOS 3.3 (bundled with the unit)
- Speaker with volume control
- Battery-backed real time clock
- Socket for 8087 Math Co-processor
- Socket for external expansion box to accept IBM-compatible expansion cards and hard disk
- Compartment for 10x alkaline 'C' cells for up to 8 hours of use
CPU PCB
-------
MC0051D
Z70850
|-------------------------------------------------------------------|
| VIDEO PARALLEL SERIAL EXP-B EXP-A |
| LK2 1489 |
|DIPSW(6) LK3 28.63636MHz 24MHz |
| LK1 6845R |------| CX112 |
| 1.8432MHz | 40104| CX902|
| INS82C50 |------| |-------| |
| |40039 | |
| 1489 1488 | | |
| LC3664 |------| | | |
| 6MHz LC3664 |T4750 | |-------| CX901|
| 40112 LCD-CONN |------| |
|KEYB1 KEYB2 40109.IC159 |
| KEYB3 LA4140 LK6 LK7 8087 |
| LED CONT SPEAKER VOLUME CY903 V30 |
|-------------------------------------------------------------------|
Notes:
VIDEO - 9 pin D-sub video port
PARALLEL - 25 pin D-sub parallel port
SERIAL - 25 pin D-sub serial port
EXP-B - Expansion port B
EXP-A - Expansion port A
DIPSW - 6 position DIP switch (up is off, down is on. * = Default)
SW1: Display Use
ON - Internal LCD *
OFF - External monitor
SW2: Video Emulation Mode
ON - CGA *
OFF - MDA
SW3: Video Adapter Enable
ON - Use internal video adapter *
OFF - Use external video adapter in external expansion box
SW4,5: Initial Video Mode
OFF, OFF - External video card
OFF, ON - CGA 40 column
ON , OFF - CGA 80 column *
ON , ON - MDA 80 column
SW6 - Not Used
1488 - MC1488 Quad Line EIA232 Driver
1489 - MC1489 Quad Line EIA232 Receiver
INS82C50 - 82C50 UART marked as Amstrad 40049 custom chip. Clock input 1.8432MHz
CX112 - Jumper to configure 40039 gate array to address either 512k or 640k RAM (sometimes marked LK5)
6845R - UMC UM6845R CRT Controller. Clock input on pin 21 unknown (comes from the 40104 custom chip)
40104 - VDU/LCD custom gate array LCD controller
40039 - Bus controller custom gate array marked as Amstrad 40039 custom chip. Clock input 24.000MHz. This chip generates the 8MHz for the CPU.
T4750 - DMA/Programmable Interrupt Controller/Programmable Timer custom chip
40112 - Keyboard controller (likely i8049/i8051) marked as Amstrad 40012 custom chip. Clock input 6.000MHz
LCD-CONN - Multi pin connector for LCD screen
KEYB1 - 5 pin connector for keyboard caps lock, scroll lock and num lock keys, plus VCC and GND
KEYB2 - Multi pin connector for keyboard matrix
KEYB3 - Multi pin connector for keyboard matrix
CX901/902 - Connectors joining to optional modem PCB
LED - Connector for power-on LEDs
CONT - Connector for LCD screen contrast adjustment
LA4140 - Sanyo LA4140 0.5W audio power amplifier IC
SPEAKER - Connector for PC speaker
VOLUME - Connector for audio volume knob
LC3664 - Sanyo LC3664 8kx8-bit Static RAM
40109.IC159 - 8kx8-bit character ROM. Compatible with 2764 EPROM
Font selection is set with LK6 & LK7
CY903 - Multi pin connector for connection to memory/power PCB
8087 - Socket for i8087-2 Numeric Data Processor (math coprocessor). Clock input 8.000MHz
V30 - NEC V30 CPU (Sony CXQ70116P-8). Clock input 8.000MHz
LK1/LK2/LK3 - Jumpers to set language selection (off = open, on = short)
LK1 LK2 LK3
OFF OFF OFF English
OFF OFF ON German
OFF ON OFF French
OFF ON ON Spanish
ON OFF OFF Danish
ON OFF ON Swedish
ON ON OFF Italian
ON ON ON Diagnostic Mode
LK6/LK7 - Jumpers to set font selection in ROM (off = open, on = short)
LK6 LK7
OFF OFF Normal : Codepage 437
OFF ON Norwegian : Codepage 865
ON OFF Portugese : Codepage 860
ON ON Greek : Codepage unknown but will be 869 or 851 or 737
MEMORY / POWER PCB
------------------
MC0052D
Z70851
|----------------------------------------------------------------|
| NE556 KBSW BATSW POWER |
| 41256 41256 X 41256 41256 |
| |
| 41256 41256 X 41256 41256 |
| |
|FD UM8272A 41256 41256 X 41256 41256 |
| |
| 16MHz 41256 41256 X 41256 41256 |
| SED9420 |
| LK4 41256Y |
|---------------| |-------| |
| |40040 | 40108.IC129 Y |
| | | |
| | | 40107.IC132 41256Y |
| 32.768kHz |-------| |
| MC146818 Y |
| FDDLED CX903 |
|------------------------------------------------|
Notes:
FD - 34 pin floppy drive cable
FDDLED - Connector for floppy drive activity LED for drives A: and B:
POWER - Connector for mains power input
SED9420 - EPSON SED9420 data separator for FDD. Clock input 16.000MHz
UM8272A - UMC UM8272A floppy drive controller (pin compatible with uPD765)
41256 - Samsung KM41256AP-15 256kx1-bit DRAM
41256Y - Samsung KM41256AP-15 256kx1-bit DRAM used as parity RAM
X - Unpopulated location for 64kx4-bit DRAM (additional 128k expansion to give 640kb main RAM for PPC512)
Y - Unpopulated location for 256kx1-bit DRAM (additional parity RAM to support the additional 128k RAM)
LK4 - Jumper to set physical main RAM present on the PCB to either 512k or 640k
40108.IC129 - BIOS ROM. Compatible with 2764 EPROM
40107.IC132 - BIOS ROM. Compatible with 2764 EPROM
CX903 - Multi pin connector for connection to CPU PCB. The connector is located on the solder side of this PCB.
40040 - Memory controller gate array marked as Amstrad 40040 custom chip
NE556 - NE556 Dual Timer
MC146818 - Motorola MC146818 Real Time Clock
KBSW - Connector for keyboard open/close detect switch
BATSW - Connector for battery/mains power detect switch
***************************************************************************/
#include "emu.h"
@ -41,6 +200,9 @@ More information can be found at http://www.seasip.info/AmstradXT/1640tech/index
#include "machine/pc_lpt.h"
#include "machine/ram.h"
namespace {
class amstrad_pc_state : public driver_device
{
public:
@ -79,10 +241,10 @@ private:
uint8_t pc200_port378_r(offs_t offset);
uint8_t pc200_port278_r(offs_t offset);
uint8_t pc1640_port378_r(offs_t offset);
uint8_t pc1640_port3d0_r(offs_t offset);
uint8_t pc1640_port4278_r(offs_t offset);
uint8_t pc1640_port278_r(offs_t offset);
[[maybe_unused]] uint8_t pc1640_port378_r(offs_t offset);
[[maybe_unused]] uint8_t pc1640_port3d0_r(offs_t offset);
[[maybe_unused]] uint8_t pc1640_port4278_r(offs_t offset);
[[maybe_unused]] uint8_t pc1640_port278_r(offs_t offset);
struct {
uint8_t x,y; //byte clipping needed
@ -404,7 +566,7 @@ void amstrad_pc_state::pc1640_mouse_y_w(uint8_t data)
m_mouse.y = data + ioport("pc_mouse_y")->read();
}
static INPUT_PORTS_START( pc200 )
static INPUT_PORTS_START( pc200 ) // TODO: PPC512/PPC640 DSW differ, see readme at the top of the file
PORT_START("DSW0") /* IN1 */
PORT_DIPNAME( 0x07, 0x07, "Name/Language")
PORT_DIPSETTING( 0x00, "English/less checks" )
@ -619,8 +781,8 @@ ROM_START( ppc512 )
// ROM_REGION(0x100000,"bios", 0)
ROM_REGION16_LE(0x10000,"bios", 0)
// special bios at 0xe0000 !?
ROM_LOAD16_BYTE("40107.v1", 0xc000, 0x2000, CRC(4e37e769) SHA1(88be3d3375ec3b0a7041dbcea225b197e50d4bfe)) // v1.9
ROM_LOAD16_BYTE("40108.v1", 0xc001, 0x2000, CRC(4f0302d9) SHA1(e4d69ca98c3b98f3705a2902b16746360043f039)) // v1.9
ROM_LOAD16_BYTE("40107_v1.ic132", 0xc000, 0x2000, CRC(4e37e769) SHA1(88be3d3375ec3b0a7041dbcea225b197e50d4bfe)) // v1.9
ROM_LOAD16_BYTE("40108_v1.ic129", 0xc001, 0x2000, CRC(4f0302d9) SHA1(e4d69ca98c3b98f3705a2902b16746360043f039)) // v1.9
// also mapped to f0000, f4000, f8000
ROM_REGION( 0x800, "keyboard", 0 ) // PPC512 / PPC640 / PC200 102-key keyboard
ROM_LOAD( "40112.ic801", 0x000, 0x800, CRC(842a954c) SHA1(93ca6badf20e0215025fe109959eddead8c52f38) )
@ -663,6 +825,9 @@ ROM_START( pc3086 )
ROM_LOAD( "40178.ic801", 0x000, 0x800, CRC(f72f1c2e) SHA1(34897e78b3d10f96b36d81778e97c4a9a1b8618b) )
ROM_END
} // Anonymous namespace
/***************************************************************************
Game driver(s)