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dauphin: adjusted notes.

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Robbbert 2020-09-21 20:18:10 +10:00
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src/mame/drivers/dolphunk.cpp
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@ -2,20 +2,20 @@
// copyright-holders:Robbbert
/***************************************************************************
Dolphin / Dauphin
Dolphin / Dauphin
2010-04-08 Skeleton driver.
2012-05-20 Fixed keyboard, added notes & speaker [Robbbert]
2013-11-03 Added cassette [Robbbert]
2010-04-08 Skeleton driver.
2012-05-20 Fixed keyboard, added notes & speaker [Robbbert]
2013-11-03 Added cassette [Robbbert]
Minimal Setup:
Minimal Setup:
0000-00FF ROM "MO" (74S471)
0100-01FF ROM "MONI" (74S471)
0200-02FF RAM (2x 2112)
18 pushbuttons for programming (0-F, ADR, NXT).
4-digit LED display.
Other options:
Other options:
0400-07FF Expansion RAM (8x 2112)
0800-08FF Pulse for operation of an optional EPROM programmer
0C00-0FFF ROM "MONA" (2708)
@ -27,22 +27,22 @@
STEP switch.
CLOCK switch.
Cassette player connected to SENSE and FLAG lines.
Cassette player connected to SENSE and FLAG lines.
Keyboard encoder: AY-5-2376 (57 keys)
Keyboard encoder: AY-5-2376 (57 keys)
CRT interface: (512 characters on a separate bus)
CRT interface: (512 characters on a separate bus)
2114 video ram (one half holds the lower 4 data bits, other half the upper bits)
74LS175 holds the upper bits for the 74LS472
74LS472 Character Generator
NOTE: a rom is missing, when the ADR button (- key) is pressed,
NOTE: a rom is missing, when the ADR button (- key) is pressed,
it causes a freeze in nodebug mode, and a crash in debug mode.
To see it, start in debug mode. g 6c. In the emulation, press the
minus key. The debugger will stop and you can see an instruction
referencing location 0100, which is in the missing rom.
Keys:
Keys:
0-9,A-F hexadecimal numbers
UP - (NXT) to enter data and advance to the next address
MINUS - (ADR) to change the address to what is shown in the data side
@ -54,28 +54,32 @@
Hold MINUS, hold any hex key, release MINUS, release other key - execute program
at the current address-0x100 (i.e. 1xx).
If you want to scan through other areas of memory (e.g. the roms), alter the
data at address 2F9 (high byte) and 2FA (low byte).
If you want to scan through other areas of memory (e.g. the roms), alter the
data at address 2F9 (high byte) and 2FA (low byte).
How to Use:
How to Use:
The red digits are the address, and the orange digits are the data.
The address range is 200-2FF (the 2 isn't displayed). To select an address,
either press the UP key until you get there, or type the address and press
minus. The orange digits show the current data at that address. To alter
data, just type it in and press UP.
To play the reflexes game, hold UP, press 1, release UP, release 1.
To play the reflexes game, hold UP, press 1, release UP, release 1.
The display will show A--0 (or some random number in the last position).
Press any odd-numbered key (B is convenient), and read off the reaction time.
After a short delay it will show '--' again, this is the signal to react.
It doesn't seem to reset the counters each time around.
TODO:
Test Paste:
Paste this: 11^22^33^44^55^66^77^88^99^00-
Now press up-arrow to review the data that was entered.
TODO:
- Find missing roms
- Add optional hardware listed above
- Cassette is added, but no idea how to operate it.
Thanks to Amigan site for various documents.
Thanks to Amigan site for various documents.
****************************************************************************/