MAME64GRID Rev. 4 MAME64 version for GRiD Compass computers emulation MAME ver 0.220 GRiD-ONLY - 08/13/2020 13:11:18 Works: -Emulation GRiD Compass 1101 -Emulation GRiD Compass II 1129 and 1139 (bad) -Bubble Memory, floppy disks (including formatting) and hard drives -Serial port (NOT CHECKED) -DMA (while it does not block and therefore only works if the device has zero latency) Does not work: -Modem -ROM chips -Machine ID -Access to Bubble Memory in Compass II 1129 -Formatting Bubble Memory in Compass II 1139 -Boot GRiD OS from Bubble Memory with connected hard drive -Intel 8087 (emulation broken) -Hard disk for Compass II 1139 (HDD315.IMG image for booting from HDD is not completed yet) Use MAME64GRID Launcher to run - RUNGRID.EXE If at startup you have a black screen, restart, such a bug happens Booting from devices to GRiD Compass (hold the key until the logo appears): B - Bubble Memory F - Portable Floppy H - Hard Disk (Press when using HDD version) R - ROM Memory ATTENTION: In this version, switching to full screen mode is performed using the keys LCTRL + LSHIFT + LALT Also, for better display, the emulator screen is doubled in resolution ! The CODE key is replaced by the ALT key! Images in the archive (images folder): BLANK.IMG - Image of a blank floppy disk and BM module with the GRiD OS file system BUBLANK.IMG In case something goes wrong BUB1101.IMG Bubble Memory Images for Computers BUB1129.IMG - Contains system files, the emulator is loaded from them in priority BUB1139.IMG The number corresponds to the GRiD Compass model CCOS310.IMG - GRiD OS 3.1.0 and 3.1.5 Boot Floppy Image CCOS315.IMG In addition to system files contain hardware drivers HDD310.IMG - The image of the original external hard drive 10Mb HDD315.IMG Contains the system (3.1.0 or 3.1.5) and a large number of software MSDOS211.IMG - The image with MS-DOS 2.11 for GRiD Authors: -Anton Korzhuk a.k.a. usernameak: Emulator development, floppy images, computer bios Website: deltacxx.insomnia247.nl VK: vk.com/usrnmak -Vladislav Zadorozhkin a.k.a. Bs()Dd: Build, compile, launcher, BM images with system Mail: wladeus@drittereich.de VK: vk.com/bs0dd -shattered: Initial development, clock module, not affiliated with us YouTube: youtube.com/channel/UCAo92mPHcK3lKOx504HgG4w ChangeLog: MAME64GRID Rev. 4: -Redesigned Launcher, you can upload your images -Now the clock is working (thx to shattered) -Includes MS-DOS 2.11 floppy disk -Readme file appeared in English -MAME 0.220 GRiD-ONLY from 13/08/2020 MAME64GRID Rev. 3: -Added emulation of GRiD Compass II 1129 and 1139 (very unstable) -Now you can format floppies -Added HDD image with software and boot from it (1139 does not boot, the version on the disk is old) -Excluded starting with a blank floppy disk (the image itself is left in the folder) -By compiling GRiD-ONLY version (emulation of GRiD Compass only) MAME64 size has decreased significantly (from 263 742Kb to 92 108Kb) -Now MAME64GRID Launcher (RUNGRID.EXE) is used to launch -BAT file with a description of the startup parameters for loading your images -MAME 0.220 GRiD-ONLY from 16/05/2020 MAME64GRID Rev. 2: -Added startup in normal mode with GRiD OS floppy and blank floppy -Now the system boots from Bubble Memory, no boot floppy is needed -Added a blank floppy image -MAME 0.220 from 13/05/2020 MAME64GRID Rev. 1: -First revision of the assembly to run in the debugger. -Was available only to subscribers of the VKontakte public "Старое старье" -MAME 0.220 08/13/2020 20:27