Difference between revisions of "Setting up the Horizon Ramdisk"

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3> Configure your System slots.  For this example I will be showing PEB Slot #5 as the HRD
3> Configure your System slots.  For this example I will be showing PEB Slot #5 as the HRD


[[File:f:\hrd\1.jpg]]
[[File:1.jpg]]

Revision as of 21:18, 28 August 2016

The Horizon Ramdisk 4000 can be emulated via MESS/MAME. This selection will emulate a two megabyte ramdisk which is actually saved in the "\nvram\ti99_4a" directory within a file.

Note: The directory is usually classified by the current machine type being emulated

The emulation will respond to the equivalent speed of the ram disk on actual hardware.

This process was created using MAME1076b 64bit and ROS version 8.32e.

Note: If using ROS 8.14f or earlier, sector sizes will be limited to 1600. ROS 8.32 allows for 3200 sectors per disk.

Procedure:


1> Boot into MAME and the TI-99/4A ROM
2> Bring up the MAME menu by pressing SCROLL LOCK then press TAB
3> Configure your System slots. For this example I will be showing PEB Slot #5 as the HRD

1.jpg