Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-07-04 09:28:51 +03:00
Code Issues Actions 4 Packages Projects Releases Wiki Activity

(nw) mc8030 : can type characters, but this exposes more bugs

Browse Source
This commit is contained in:
Robbbert 2017-11-25 03:08:15 +11:00
parent 79c98b781e
commit 9aab43a450
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/mame/drivers/mc8030.cpp
View File

@ -14,14 +14,12 @@ mc8030: very little info available. The area from FFD8-FFFF is meant for
interrupt vectors and so on, but most of it is zeroes. Appears the keyboard interrupt vectors and so on, but most of it is zeroes. Appears the keyboard
is an ascii keyboard with built-in beeper. It communicates via the SIO. is an ascii keyboard with built-in beeper. It communicates via the SIO.
The asp ctc needs at least 2 triggers. The purpose of the zve pio is unknown. The asp ctc needs at least 2 triggers. The purpose of the zve pio is unknown.
The system uses interrupts for various things, but none of that is working.
Looks like maybe a sio bug is preventing the keyboard from working.
****************************************************************************/ ****************************************************************************/
#include "emu.h" #include "emu.h"
#include "cpu/z80/z80.h" #include "cpu/z80/z80.h"
#include "cpu/z80/z80daisy.h"
#include "screen.h" #include "screen.h"
#include "machine/clock.h" #include "machine/clock.h"
#include "bus/rs232/rs232.h" #include "bus/rs232/rs232.h"
@ -231,6 +229,7 @@ static MACHINE_CONFIG_START( mc8030 )
MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("asp_sio", z80sio_device, rxca_w)) MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("asp_sio", z80sio_device, rxca_w))
MCFG_DEVICE_ADD("asp_sio", Z80SIO, 4800) MCFG_DEVICE_ADD("asp_sio", Z80SIO, 4800)
MCFG_Z80SIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
// SIO CH A in = keyboard; out = beeper; CH B = IFSS (??) // SIO CH A in = keyboard; out = beeper; CH B = IFSS (??)
MCFG_Z80SIO_OUT_TXDA_CB(DEVWRITELINE("rs232", rs232_port_device, write_txd)) MCFG_Z80SIO_OUT_TXDA_CB(DEVWRITELINE("rs232", rs232_port_device, write_txd))
MCFG_Z80SIO_OUT_DTRA_CB(DEVWRITELINE("rs232", rs232_port_device, write_dtr)) MCFG_Z80SIO_OUT_DTRA_CB(DEVWRITELINE("rs232", rs232_port_device, write_dtr))