diff --git a/README.md b/README.md index 33617aa..4c77337 100644 --- a/README.md +++ b/README.md @@ -7,17 +7,14 @@ This project borrows heavily from the *awesome* work of Andrew Holme and his ["P ## Memory Map The iCE40HX8K has 16KB of available block RAM, this is currently set up to have: -- 8KB of system RAM (0x0000 -> 0x1FFF) -- 4KB of Integer Basic ROM (0xE000 -> 0xEFFF) -- 512B of WozMON ROM (0xFF00 -> 0xFFFF) - -The remaining 3.5KB is being earmarked for character ROMs and video RAM when I start implementing that (any help greatfully accepted). The basic ROM could be removed which would allow for 12KB of system RAM if needs be. Start | End | Description ----- | --- | ----------- 0x0000 | 0x1FFF | 8KB of block RAM for system 0xE000 | 0xEFFF | 4KB of block RAM for basic ROM 0xFF00 | 0xFFFF | 512B of block RAM for WozMon ROM + +The remaining 3.5KB is being earmarked for character ROMs and video RAM when I start implementing that (any help greatfully accepted). The basic ROM could be removed which would allow for 12KB of system RAM if needs be. ## Hardware Map