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README.md
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README.md
@ -5,7 +5,7 @@ The **AppleIISd** is a SD card based replaced for the ProFile harddrive. In cont
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A Xilinx CPLD is used as a SPI controller and translates, together with the ROM driver, SD card data to/from the Apple IIe. The VHDL source is based on [SPI65/B](http://www.6502.org/users/andre/spi65b) by André Fachat.
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The assembler sources are written for CC65. The [schematics](AppleIISd.pdf) are available as PDF.
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The assembler sources are written for CC65. The [schematics](Binary/AppleIISd.pdf) are available as PDF.
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## Features
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* works with ProDOS and GS/OS
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@ -28,6 +28,20 @@ The AppleIISd requires an enhanced IIe or IIgs computer. The ROM code uses some
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When a 2732 type ROM is used, the binary image has to be programmed at offset 0x800, because A11 is always high for compatibility with 2716 type ROMs.
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## Binary distribution
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The following files in [Binary/](Binary) have been provided to eliminate the need to compile assembler or VHDL sources.
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| File | Purpose |
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| ---- | ------- |
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| AppleIISd_xx44.jed | CPLD bitfiles for PC44 and VQ44 formfactors |
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| AppleIIDs.bin | 2k Firmware binary for EPROM |
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| AppleIISd.hex | Same as above in INTEL-HEX format |
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| AppleIISd.bom.txt | BOM for the board |
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| AppleIISd.pdf | Schematic and layout |
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| Flasher.bin | Flasher program ProDOS binary |
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| Flasher.dsk | Complete ProDOS disk image with Flasher.bin and AppleIISd.bin |
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| Gerber_Vx.x.zip | Gerber files for different hw revisions |
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## Smartport drive remapping
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The AppleIISd features Smartport drivers in ROM to provide more than two drives in both GS/OS and ProDOS.
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