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qtsbc: Minor documentation update (nw)

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This commit is contained in:
AJR 2018-05-14 11:11:40 -04:00
parent 2ed913b682
commit 5c3d3a9b6d
2 changed files with 3 additions and 1 deletions
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1
src/mame/drivers/dms86.cpp
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@ -143,7 +143,6 @@ MACHINE_CONFIG_START(dms86_state::dms86)
MCFG_Z80SIO_OUT_TXDB_CB(WRITELINE("rs232", rs232_port_device, write_txd))
MCFG_Z80SIO_OUT_DTRB_CB(WRITELINE("rs232", rs232_port_device, write_dtr))
MCFG_Z80SIO_OUT_RTSB_CB(WRITELINE("rs232", rs232_port_device, write_rts))
MCFG_Z80SIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_NMI))
MCFG_DEVICE_ADD("rs232", RS232_PORT, default_rs232_devices, nullptr)
MCFG_RS232_RXD_HANDLER(WRITELINE("sio1", z80sio_device, rxb_w))

3
src/mame/drivers/qtsbc.cpp
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@ -14,6 +14,9 @@ Chips: P8251, D8253C, MK3880N-4 (Z80). 3x 6-sw dips. Unmarked crystal.
A blue jumper marked 4M and 2M (between U11 and U12) selects the CPU clock.
The RS232 port uses a 26-pin header (J1) rather than the conventional DB25
connector. The second 26-pin header (J2) is for the parallel port.
Feature list from QT ad:
- 1K RAM (which can be located at any 1K boundary) plus one each
Parallel and Serial I/O ports on board