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gamemachine: add note (nw)

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hap 2019-03-17 00:16:14 +01:00
parent 3ef2896f1b
commit 06fd6e6cff
1 changed files with 39 additions and 23 deletions
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62
src/mame/drivers/gamemachine.cpp
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@ -10,6 +10,18 @@ It was possibly created by VTech, but they didn't distribute it by themselves
until later in 1980 as the Computer Game System. There's also a handheld version
"Mini Game Machine". VTech later made a sequel "Game Machine 2" with 5 games.
hardware notes:
- Mostek MK3870 MCU, 2KB internal ROM
- 12 digits 7seg VFD panel
- MC1455P(555 timer) + bunch of discrete components for sound
TODO:
- MCU frequency was measured approx 2.1MHz on its XTL2 pin, but considering that
the MK3870 has an internal /2 divider, this is way too slow when compared to
video references of the game
*******************************************************************************
After boot, press a number to start a game:
0: 4 Function Calculator (not a game)
1: Shooting Gallery
@ -17,19 +29,30 @@ After boot, press a number to start a game:
3: Code Hunter
4: Grand Prix
Screen and keyboard overlays were provided for each game, though the default keyboard
Screen and keypad overlays were provided for each game, though the default keypad
labels already show the alternate functions.
hardware notes:
- Mostek MK3870 MCU, 2KB internal ROM
- 12 digits 7seg VFD panel
- MC1455P(555 timer) + bunch of discrete components for sound
keypad reference (mapped to PC keyboard A-row and Z-row by default)
TODO:
- sound pitch is wrong, standard beep should be highpitched
- MCU frequency was measured approx 2.1MHz on its XTL2 pin, but considering that
the MK3870 has an internal /2 divider, this is way too slow when compared to
video references of the game
Calculator:
[RET] [MS ] [MR ] [+/-] [. ] [+= ] [-= ] [x ] [/ ] [CL ]
[0 ] [1 ] [2 ] [3 ] [4 ] [5 ] [6 ] [7 ] [8 ] [9 ]
Shooting Gallery:
[RET] [Cyc] [Zig] [ ] [ ] [ ] [ ] [ ] [ ] [ ] * Cyclic, Zigzag
[ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Black Jack:
[RET] [Dl ] [ ] [ ] [ ] [ ] [ ] [ ] [Hit] [Stn] * Deal, Hit, Stand
[ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Code Hunter:
[RET] [Sta] [Dis] [ ] [ ] [Ent] [ ] [Crs] [R< ] [R> ] * Start, Display, Enter, Cursor key, Review back, Review ahead
[ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Grand Prix:
[RET] [Go ] [ ] [ ] [ ] [ ] [ ] [Up ] [Up ] [Up ]
[Brk] [Gas] [ ] [ ] [ ] [ ] [ ] [Dwn] [Dwn] [Dwn]
******************************************************************************/
@ -262,13 +285,6 @@ WRITE8_MEMBER(tgm_state::sound_w)
// P40-P47: 555 to speaker (see netlist above)
for (int i = 0; i < 8; i++)
m_audio_pin[i]->write_line(BIT(~data, i));
#if 0
static int last = 0;
if (data != last)
printf("Data: 0x%03x\n", data);
last = data;
#endif
}
@ -298,23 +314,23 @@ void tgm_state::main_io(address_map &map)
static INPUT_PORTS_START( tgm )
PORT_START("IN.0")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_COLON) PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("CL")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_COLON) PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE) PORT_CODE(KEYCODE_RIGHT) PORT_NAME("CL")
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_SLASH) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD) PORT_NAME("9")
PORT_START("IN.1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_L) PORT_CODE(KEYCODE_SLASH_PAD) PORT_NAME(UTF8_DIVIDE)
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_L) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CODE(KEYCODE_LEFT) PORT_NAME(UTF8_DIVIDE)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_STOP) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_NAME("8")
PORT_START("IN.2")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_K) PORT_CODE(KEYCODE_ASTERISK) PORT_NAME(UTF8_MULTIPLY)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_COMMA) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_NAME("7")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_K) PORT_CODE(KEYCODE_ASTERISK) PORT_CODE(KEYCODE_UP) PORT_NAME(UTF8_MULTIPLY)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_COMMA) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_CODE(KEYCODE_DOWN) PORT_NAME("7")
PORT_START("IN.3")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_J) PORT_CODE(KEYCODE_MINUS_PAD) PORT_NAME("-=")
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_M) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("6")
PORT_START("IN.4")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_H) PORT_CODE(KEYCODE_PLUS_PAD) PORT_NAME("+=")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_H) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("+=")
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_N) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("5")
PORT_START("IN.5")
@ -334,7 +350,7 @@ static INPUT_PORTS_START( tgm )
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_X) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("1")
PORT_START("IN.9")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_A) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Return")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_A) PORT_CODE(KEYCODE_R) PORT_NAME("Return")
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_Z) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_NAME("0")
INPUT_PORTS_END