minor corrections and cleans... nw

src/mame/drivers/gatron.c

@@ -2,16 +2,14 @@
 // copyright-holders:Roberto Fresca
 /****************************************************************************************
 
-    GAME-A-TRON gambling hardware
+  GAME-A-TRON gambling hardware.
-    -----------------------------
-
   Driver by Roberto Fresca.
 
   Games running on this hardware:
 
   * Poker 4-1,  1983, Game-A-Tron.
   * Pull Tabs,  1983, Game-A-Tron.
-    * Bingo,      1983, Game-A-Tron?.
+  * Bingo,      1983, Game-A-Tron.
 
 
 *****************************************************************************************
@@ -19,13 +17,10 @@
   Hardware Notes:
   ---------------
 
-
   * PCB1: PULL TABS.
 
-    Board silkscreend:
+  Board silkscreend: "GAME-A-TRON CORP. (c)1983 PAT.PENDING"
-
+                     "9003"
-     GAME-A-TRON CORP.
-    (c)1983 PAT.PENDING
 
   ROMS: - U31 - 2732 (PT-1R-V)
         - U32 - 2732 (PT-2G-V)
@@ -33,13 +28,13 @@
 
         - U00 - 2764 (PULL-TABS-1-90)
 
-    Most chips, except for the EPROMS, were covered in a hard black plastic so that
+  Most chips, except for the EPROMS, are covered with a hard black plastic coat
-    their numbers could not be read.
+  so their ID's could not be read.
 
-    U30 was silkscreend VRAM,    24 pin.
+  U30 location was silkscreend VRAM,    24 pin.
-    U11 was silkscreend scp RAM, 24 pin.
+  U11 location was silkscreend SCP RAM, 24 pin.
-    U13 was silkscreend CPU,     40 pin.
+  U13 location was silkscreend CPU,     40 pin.
-    U12 was silkscreend DECODE,  16 pin.
+  U12 location was silkscreend DECODE,  16 pin.
 
   1x 16MHz Crystal
   1x Duracell PX-2 I, 4.5V battery.
@@ -47,10 +42,8 @@
 
   * PCB2: FOUR IN ONE POKER.
 
-    Board silkscreend:
+  Board silkscreend: "GAME-A-TRON CORP. (c)1983 PAT.PENDING"
-
+                     "9003"
-     GAME-A-TRON CORP.
-    (c)1983 PAT.PENDING
 
   ROMS: - U31 - 2732 (POKER-R)
         - U32 - 2732 (POKER-G)
@@ -59,11 +52,11 @@
         - U00 - 2764 (2764-POKER)
         - U08 - 2732 (2732-POKER-4-1)
 
-    Most chips, except for the EPROMS, were covered in a hard black plastic so that
+  Most chips, except for the EPROMS, are covered with a hard black plastic coat
-    their numbers could not be read.
+  so their ID's could not be read.
 
-    CPU at u13 still covered in black plastic.
+  U13    CPU (also coated with black plastic).
-    U05               M5L8255AP-5
+  U05    I/O        M5L8255AP-5
   U11    SCP RAM    TC5516APL  (2Kx8)
   U30    VRAM       HM6116LP-3 (2Kx8)
 
@@ -132,6 +125,7 @@
 
   *** Game Notes ***
 
+
   All games:
 
   The first time the machine is turned on, will show the legend "DATA ERROR".
@@ -225,7 +219,6 @@
 
 *****************************************************************************************
 
-
   --------------------
   ***  Memory Map  ***
   --------------------
@@ -236,12 +229,10 @@
   0xA000 - 0xA000    ; Sound (PSG).
   0xE000 - 0xE000    ; Output Port 0 (lamps).
 
-
   * Z80 I/O ports *
 
     0x00 - 0x03      ; PPI 8255 (ports A & B as input, port C as output).
 
-
   * 8255 I/O ports *
 
     Port A (input)   ; Input Port 0 (player buttons).
@@ -297,6 +288,7 @@
 
 *****************************************************************************************/
 
+
 #define MASTER_CLOCK    XTAL_16MHz
 
 #include "emu.h"
@@ -317,6 +309,31 @@
 WRITE8_MEMBER(gatron_state::output_port_0_w)
 {
 /*---------------
+  Poker 4-1 lamps
+  ---------------
+
+  0x00 - Default State.
+  0x01 - Hold3.
+  0x02 - Hold4.
+  0x04 - Hold5/DDown.
+  0x08 - Ante/Bet.
+  0x10 - Start.
+  0x20 - Deal/Hit.
+  0x40 - Stand/FreeBonusDraw.
+
+  - bits -
+  7654 3210
+  ---------
+  .... ...x --> Hold3.
+  .... ..x. --> Hold4.
+  .... .x.. --> Hold5/DDown.
+  .... x... --> Ante/Bet.
+  ...x .... --> Start.
+  ..x. .... --> Deal/Hit.
+  .x.. .... --> Stand/FreeBonusDraw.
+
+
+  ---------------
   Pull Tabs lamps
   ---------------
 
@@ -360,31 +377,6 @@ WRITE8_MEMBER(gatron_state::output_port_0_w)
   ..x. .... --> Change Game / D-UP / High.
   .x.. .... --> Change Card / Take / Low.
 
-
-    ---------------
-    Poker 4-1 lamps
-    ---------------
-
-    0x00 - Default State.
-    0x01 - Hold3.
-    0x02 - Hold4.
-    0x04 - Hold5/DDown.
-    0x08 - Ante/Bet.
-    0x10 - Start.
-    0x20 - Deal/Hit.
-    0x40 - Stand/FreeBonusDraw.
-
-    - bits -
-    7654 3210
-    ---------
-    .... ...x --> Hold3.
-    .... ..x. --> Hold4.
-    .... .x.. --> Hold5/DDown.
-    .... x... --> Ante/Bet.
-    ...x .... --> Start.
-    ..x. .... --> Deal/Hit.
-    .x.. .... --> Stand/FreeBonusDraw.
-
 */
 	output_set_lamp_value(0, (data) & 1);       /* hold3 lamp */
 	output_set_lamp_value(1, (data >> 1) & 1);  /* hold4 lamp */
@@ -613,4 +605,4 @@ ROM_END
 /*     YEAR  NAME      PARENT  MACHINE  INPUT      STATE           INIT  ROT    COMPANY         FULLNAME             FLAGS  LAYOUT   */
 GAMEL( 1983, poker41,  0,      gat,     poker41,   driver_device,  0,    ROT0, "Game-A-Tron",  "Four in One Poker",  0,     layout_poker41  )
 GAMEL( 1983, pulltabs, 0,      gat,     pulltabs,  driver_device,  0,    ROT0, "Game-A-Tron",  "Pull Tabs",          0,     layout_pulltabs )
-GAMEL( 1983, bingo,    0,      gat,     bingo,     driver_device,  0,    ROT0, "Game-A-Tron?", "Bingo",              0,     layout_bingo  )
+GAMEL( 1983, bingo,    0,      gat,     bingo,     driver_device,  0,    ROT0, "Game-A-Tron",  "Bingo",              0,     layout_bingo  )