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XY-MEM Flasher by Chany (Nul Part System), an Amstrad CPC 6128 utility

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XY-MEM Flasher by Chany (load screen by Kukukcan) is an Amstrad CPC 6128 utilkity to flash your ROMs on your X-MEM or Y-MEM both made by ToTO.

The Y-MEM expansion is also made by TotO. It's a similar expansion like the X-MEM. The difference is the addressing of RAM and ROM. While the X-MEM addresses the lower ROM, ROMs 0-6 and 8-31, the Y-MEM addresses the ROMs from 32 to 63. The X-MEM allows to access 512 KB RAM using the port &7Fxx. But the Y-MEM addresses another 512 KB using the port &7Exx. Using the X-MEM and the Y-MEM together provides 1 MB of expansion RAM and 1 MB of Flash-ROM for the CPC or Plus computers.

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