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bus/thomson/cd90_015.cpp, tecmo/tehkanwc.cpp: Misc. notes

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AJR 2023-01-13 20:09:57 -05:00
parent f256db3f44
commit 33c6487b88
2 changed files with 4 additions and 2 deletions
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5
src/devices/bus/thomson/cd90_015.cpp
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@ -1,9 +1,10 @@
// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
// CD 90-015 - Floppy drive controller built from a MC6843
// CD 90-015 - Floppy disk interface built from a MC6843 single-density controller
//
// Handles up to four 5.25 single-sided drives (UD 90-070)
// Handles up to four 5.25 single-sided drives (UD 90-070). Formatted capacity is 80 KB.
// The lack of a track zero sensor is confirmed from schematics.
#include "emu.h"
#include "cd90_015.h"

1
src/mame/tecmo/tehkanwc.cpp
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@ -18,6 +18,7 @@ TODO:
- Figure out the controls in 'tehkanwc' (they are told to be better in MAME 0.34)
- Figure out the controls in 'teedoff'
- Confirm "Difficulty" Dip Switch in 'teedoff'
- What does the Z80 I register do here? (HW can latch it during refresh cycles.)
Additional notes (Steph 2002.01.14)