avr_mdcart_sram_lite
diff README.md @ 5:abb348704dec
reads/writes to memory, not tested in the megadrive yet
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Sun, 12 Mar 2017 04:27:43 +0200 |
parents | 1f8683589ee8 |
children |
line diff
1.1 --- a/README.md Thu Mar 09 08:45:11 2017 +0200 1.2 +++ b/README.md Sun Mar 12 04:27:43 2017 +0200 1.3 @@ -1,8 +1,8 @@ 1.4 -72pin SIMM DRAM tester 1.5 -====================== 1.6 +Megadrive USB cartridge prototype 1.7 +================================= 1.8 1.9 -Firmware for my 72pin SIMM tester written to run on an Atmel atmega644p AVR 1.10 -microcontroller. 1.11 +Firmware for my prototype megadrive usb development cartridge, written to run 1.12 +on an Atmel atmega644p AVR microcontroller. 1.13 1.14 License 1.15 ------- 1.16 @@ -17,17 +17,3 @@ 1.17 Copyright (C) 2017 John Tsiombikas <nuclear@member.fsf.org> 1.18 Creative Commons Attribution Share-Alike (CC BY-SA). See LICENSE.hardware for 1.19 details. 1.20 - 1.21 -Usage 1.22 ------ 1.23 -Plug a 72pin SIMM, connect terminal over a serial link (RS232 or USB) and power 1.24 -up the tester. 1.25 - 1.26 -Commands: 1.27 - 1.28 - w <addr> <value> - write byte to address 1.29 - r <addr> - read byte from address 1.30 - s <addr_bits|ras_lines> <value> - override detected addr_bits/ras_lines 1.31 - t <addr> - test address 1.32 - d - detect DRAM 1.33 - h - help