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Apple drives Emulation support

Last modified: 30 April 2023

The HxC Firmware is the first firmware for Gotek supporting Apple II disk drives floppy emulation since the version 5.1.1.1a.

Note
Read & sector write operations supported since the version 5.2.1.1a.
Apple drive

To use it, update the Gotek with the HxC Floppy Emulator Apple II firmware present in the "Firmwares_Updates/Generic_Gotek/AppleII_Firmware" folder in the firmware archive. (See Firmware update)

  • The Floppy Emulator Apple II pinout assignation is :

        Apple II floppy interface <------------------> Gotek floppy interface
        (Internal 20pins / Ext DB-19)

PH0    (Int pin  2 / DB19 pin 11) <------------------> UART RX Pin (J4)
PH1    (Int pin  4 / DB19 pin 12) <------------------> UART TX Pin
PH2    (Int pin  6 / DB19 pin 13) <------------------> /DIR   (18)
PH3    (Int pin  8 / DB19 pin 14) <------------------> /STEP  (20)
/WREQ  (Int pin 10 / DB19 pin 15) <------------------> /WGATE (24)
SEL    (Int pin 12 / DB19 pin 16) <------------------> /SIDE1 (32)
/DRVEN (Int pin 14 / DB19 pin 17 or pin 9 *) <-------> /DS0   (10)
RD     (Int pin 16 / DB19 pin 18) <------------------> /RDATA (30)
WR     (Int pin 18 / DB19 pin 19) <------------------> /WDATA (22)
WRPROT (Int pin 20 / DB19 pin 10) <------------------> /WPT   (28)

Power :

VSS/GND (Int pins 1,3,5,7 /
                DB19 pins 1,2,3 ) <---------> Gotek VSS power input (Power pins 2, 3) +
                                              Gotek floppy interfaces pins 33, 27, 23, 21.

+5V     (Int pin 11 / DB19 pin 6) <---------> Gotek +5V power input (Power pin 1).

The jumper must be set to "S0".

The Apple II .do/.po/*.dsk images can be converted with the HxC software to the HFE file format.

Tests status :

  • Apple IIc.
    [Tested and working !]

  • Apple IIe.
    [Tested and working !]

  • Apple IIgs.
    [Tested and working ! (Disk II mode only !)]

Last modified: 30 April 2023


HxC Floppy Emulator project Legal Mentions (C)2006-2023 HxC2001 / Jean-François DEL NERO