Games| Games Help Overview - Gorkans Help

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Overview

Gorkans is a bootleg of the Mr. TNT Game.

Game Play

Move along lines, erasing them as you go, to collect flashing or spinning items. If you collide with one of the yellow dots that are moving around erasing lines or if you end up at a dead end with nowhere to go, you lose a life. You cannot go back, only forward.

Arcade MegaWing Controls

Game Function Physical Interface Image
Coin 1 Up
Coin 2 Down
Start 1 Left
Start 2 Right
Move Left Joystick Left
Move Right Joystick Right
Move Up Joystick Up
Move Down Joystick Down
Fire Slow Down

Hardware Specifications

  • Platform NAMCO 8-bit PCB
  • CPU Z80A at 3.072 MHz
  • ROM 16K in four, 4K chips
  • RAM ~2K
  • Display Raster
    • Orientation Vertical
    • Resolution 224x288
    • Colors 16
    • Attributes Eight 16x16 hardware sprites
    • Refresh rate 60.61 Hz
  • Sound Monophonic 3-voice waveform sound generator chip
  • Controls One 4-way leaf joystick, 1P/2P buttons
  • Models Upright, and Cocktail

Source Code Customization

The VHDL source code can be customized to control the following options.

Free Play

To require a coin to play or to set Freeplay where simply pressing the start button is required search for and set the following line in pacman.vhd:

dipsw_reg(1 downto 0) <= "01"; -- 1 Coin  1 Play
Mode Setting
1 Coin = 1 Credit 01
1 Coin = 2 Credit 10
2 Coin = 1 Credit 11
Freeplay 00

Upright/Cocktail table

Search for the following line in pacman.vhd:

in1_reg(7) <= '0'; -- table
Mode Setting
Cocktail Table 0
Upright 1

Number of lives per play

To set the number of lives per play search for the following line in pacman.vhd:

dipsw_reg(3 downto 2) <= "10"; -- pacman (3)
Mode Setting
1 Packman 00
2 Packmen 01
3 Packmen 10
5 Packmen 11

Points until extra life

To set the number of lives per play search for the following line in pacman.vhd:

dipsw_reg(5 downto 4) <= "00"; -- Bonus at 10,000
Mode Setting
Bonus at 10,000 00
Bonus at 15,000 01
Bonus at 20,000 10
No Bonus 11

Attribution

Some text on this page comes directly from Strategy Wiki and is reposted under the Attribution-Share Alike 3.0 Unported license.

Some images on this page comes directly from Namedb and are reposted under the name of namedb.

  

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