Minimig - Revision history

188.100.33.147: /* Platform */

2010-10-02T19:34:02Z

Platform

2010-04-28T14:07:42Z

Why

2009-10-23T06:43:06Z

External links

2008-08-07T13:55:59Z

Implementation

2008-06-24T21:06:34Z

Platform

2008-06-24T21:03:15Z

Platform

2008-06-24T21:02:56Z

Platform

2008-06-24T21:00:51Z

Hardware

2008-06-24T21:00:09Z

Platform

2008-06-24T20:59:19Z

Platform

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 *  [[Multi Media Card|MMC]] [[Flash memory|Flash memory card]] to load fpga configuration, kickstart and software for the simulated computer.
 *  3 [[Light-emitting diode|LED]]s to display the system status - Main power (blue) - Amiga Power (red) - Drive activity (green).
-*  Video [[Digital-to-analog converter|D/A]] consists of 4 [[resistor|resistors]] for each color red, green, blue (4 bits/color) and output via [[Video Graphics Array|VGA]] connector. <ref>[http://home.hetnet.nl/~weeren001/downloads/minimig1_schematics.pdf Minimig schematics v1] Page3</ref>
+*  Video [[Digital-to-analog converter|D/A]] consists of 4 [[resistor|resistors]] for each color red, green, blue (4 bits/color) and output via [[Video Graphics Array|VGA]] connector. [http://minimig.googlecode.com/files/minimig11_schematics.pdf Minimig schematics v1] Page3
 *  Audio from an 8 bit [[dither|dithering]] [[Delta-sigma modulation|sigma-delta]] converter with 2nd order analogue [[Electronic filter|filter]].
 * +5V [[Direct Current|DC]] main power.

@@ Line 28: / Line 28: @@
 * Creating something for the community.
 * Proof of Concept.
-* Can create new games to take advantages of the new features in Minimig (faster memory, more memory sprites, colours, etc), while maintaining full compatibility with the classic Amiga.
+* Can create new games to take advantages of the new features in Minimig (faster memory, more memory, sprites, colours, etc), while maintaining full compatibility with the classic Amiga.
 == Hardware ==

@@ Line 113: / Line 113: @@
 * [http://en.wikipedia.org/wiki/Minimig Wikipedia:Minimig]
 * [http://home.hetnet.nl/~weeren001/ Official Website including released code] [http://home.hetnet.nl/~weeren001/downloads.html 'download-link']
 * [http://www.amiga.org/modules/news/article.php?storyid=7386 Official announcement]

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 *  [[Original Amiga chipset|OCS]] [[PAL]] video.
 *  512 [[Kibibyte|kB]] [[Static random access memory|SRAM]] RAM for Kickstart used as [[Read-only memory|ROM]].
-*  1,5 [[Mebibyte|MB]] [[Static random access memory|SRAM]] [[Amiga Chip RAM|ChipRAM]]/[[Amiga Chip RAM|FastRAM]].
+*  1 [[Mebibyte|MB]] [[Static random access memory|SRAM]] [[Amiga Chip RAM|ChipRAM]] and 512 [[Kibibyte|kB]] [[Static random access memory|SRAM]] [[Amiga Chip RAM|Ranger/SlowRAM]].
 == Roadmap ==

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 *  [[Microcontroller|MCU]] [[PIC microcontroller#PIC18 High End Core Devices|PIC 18LF252-I/SP]] <ref>{{cite web|title=PIC18F252|url=http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1335&dDocName=en010276}} 070715 microchip.com</ref> (an alternative would be [[Atmel AVR]]) implements a [[File Allocation Table|FAT16]] disclayout and handles loading of fpga configuration and kickstart. Simulates a floppy to the Amiga by encoding on the fly from [[Amiga Disk File|.ADF]] files. <!-- This is NOT the TNT23 project. -->
 *  [[Multi Media Card|MMC]] [[Flash memory|Flash memory card]] to load fpga configuration, kickstart and software for the simulated computer.
-*  3Ã [[Light-emitting diode|LED]]s to display the [[MC68000]] processor run status.
+*  3 [[Light-emitting diode|LED]]s to display the system status - Main power (blue) - Amiga Power (red) - Drive activity (green).
 *  Video [[Digital-to-analog converter|D/A]] consists of 4 [[resistor|resistors]] for each color red, green, blue (4 bits/color) and output via [[Video Graphics Array|VGA]] connector. <ref>[http://home.hetnet.nl/~weeren001/downloads/minimig1_schematics.pdf Minimig schematics v1] Page3</ref>
 *  Audio from an 8 bit [[dither|dithering]] [[Delta-sigma modulation|sigma-delta]] converter with 2nd order analogue [[Electronic filter|filter]].

@@ Line 34: / Line 34: @@
 *  [[Xilinx#Spartan series|Xilinx Spartan-3]] 400k gate (XC3S400-4PQ208C) FPGA using 60% capacity.
-*  [[Freescale Semiconductor|Freescale]] MC68SEC000 (MC68SEC000FU20; MC68SEC000AA20 proposed as replacement part by Freescale), 3,3[[Volt|V]], running programable at 7.09379 and 14.18758 MHz [[Hertz|MHz]]. (However there's no 'E' clock, MOVE sr,<EA> is privileged and there is no real replacement instruction. This does not seem to affect any programs as of yet however.)
+*  [[Freescale Semiconductor|Freescale]] MC68SEC000 (MC68SEC000FU20; MC68SEC000AA20 proposed as replacement part by Freescale), 3,3[[Volt|V]], running programable at 7.09379 and 14.18758 [[Hertz|MHz]]. (However there's no 'E' clock, MOVE sr,<EA> is privileged and there is no real replacement instruction. This does not seem to affect any programs as of yet however.)
 *  Amiga ChipRAM bus and FastRAM merged into a single synchronous bus running at 7.09379 MHz.
 *  2 [[Mebibyte|MB]] 70 [[1 E-9 s|ns]] [[Static random access memory|SRAM]] organised as 2 524288*16 banks.