Package libsidplay.components.cart.supported

Klasse GMod2

java.lang.Object
libsidplay.components.cart.Cartridge
libsidplay.components.cart.supported.GMod2
public class GMod2 extends Cartridge
 "GMod2" Cartridge (GMod2)
 

 - this cart comes in 7 sizes, 8Kb, 16Kb, 32Kb, 64Kb, 128Kb, 256Kb, and 512Kb.
 - ROM is always mapped in at $8000-$9FFF.
 

 XXX EEPROM functionality currently untested
 

 There is one register mapped to $DE00. The register is always active, and there is no way to disable it.
 bit    r/w     Flash ROM       EEPROM  Expansion Port
 7      rw      1=write enable (write)  Data output (read)      -
 6      w       -       Chip select (1=selected)        EXROM (0=active)
 5      w       Bank Selection Bit#5    Clock   -
 4      w       Bank Selection Bit#4    Data input      -
 3      w       Bank Selection Bit#3    -       -
 2      w       Bank Selection Bit#2    -       -
 1      w       Bank Selection Bit#1    -       -
 0      w       Bank Selection Bit#0    -       -
 

 

 bit7   bit6    mode
 0      0       regular 8K Game mode, ROM readable at $8000
 0      1       EEPROM selected, Flash inactive. EEPROM can be used via bits 4/5/7
 1      0       illegal, do not use
 1      1       Flash ROM writing enabled
Autor:
Ken Händel

  • Felddetails

    • currentRomBank

      protected int currentRomBank
      Currently active flash ROM bank.

    • romlBanks

      protected final byte[][] romlBanks
      512KiB flash ROM - ROML banks 0..6 (each of sizes 0x2000).

    • m93c86

      private final M93C86 m93c86
      2kB EEPROM

    • eeprom_cs

      private int eeprom_cs

    • eeprom_data

      private int eeprom_data

    • eeprom_clock

      private int eeprom_clock

    • io1Bank

      private final Bank io1Bank

    • romlBank

      private final Bank romlBank

    • romhBank

      private final Bank romhBank

  • Konstruktordetails

  • Methodendetails

    • getRoml

      public Bank getRoml()
      Beschreibung aus Klasse kopiert: Cartridge
      Get currently active ROML bank.
      Setzt außer Kraft:
      getRoml in Klasse Cartridge
      Gibt zurück:
      ROML bank

    • getRomh

      public Bank getRomh()
      Beschreibung aus Klasse kopiert: Cartridge
      Get currently active ROMH bank.
      Setzt außer Kraft:
      getRomh in Klasse Cartridge
      Gibt zurück:
      ROMH bank

    • getIO1

      public Bank getIO1()
      Beschreibung aus Klasse kopiert: Cartridge
      Acquire the IO1 bank
      Setzt außer Kraft:
      getIO1 in Klasse Cartridge
      Gibt zurück:
      The bank responding to IO1 line.

    • reset

      public void reset()
      Beschreibung aus Klasse kopiert: Cartridge
      Bring the cart to power-on state. If overridden, remember to call the superclass method.
      Setzt außer Kraft:
      reset in Klasse Cartridge