Archive for August, 2009

New SVGA Demo: Conway’s Game of Life

Sunday, August 23rd, 2009

I could not resist writing another quick demo – I implemented a version of Conway’s Game of Life on Morpheus.

I used the SVGA driver, and a 80×60 universe. Currently it is a bit slow due to FilledCircle still being written in Spin, and plotting the filled circle one pixel at a time – however that will change once I finish the assembly language hline routine; calling that instead of individual pixel plotting should speed up FilledCircle and FilledRectangle immensely.
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Enjoy!

New SVGA Driver + Demo!

Saturday, August 22nd, 2009

If you have a Morpheus, run, don’t walk to the Downloads page!

I just uploaded the latest SVGA bitmap driver with new demo’s!

This version includes the first release of the GPU server, and implements the following:

  • Cls(color) – PASM fast screen clear routine
  • Pen(color) – set the drawing color to one of the four colors per pixel
  • Plot(x,y) – PASM fast pixel plotting
  • Plot(x,y,c) – PASM fast pixel plotting, also specifies color
  • Rectangle(x,y,w,h) – draw a rectangle
  • Circle(x,y,c) – draw a circle
  • FilledRectangle(x,y,w,h) – draw a filled rectangle
  • FilledCircle(x,y,w,h) – draw a filled circle

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Note that I am working on a PASM version of Line, which will also speed up the FilledRectangle and FilledCircle functions immensely.

More functions coming after the above is completed – namely:

  • PutChar(x,y,ch) – output 8×12 character at specified location
  • PutStr(x,y,strptr) – output a string at specified location

XGA/SVGA bitmap driver Sync issue fixed!

Monday, August 17th, 2009

Thanks to Phil Pilgrim (PhiPi) from the forum, the Sync issue is no more!

He posted a nice, small, very clear example of synchronizing multiple cog’s counters, and it allowed me to spot the difference from what he was doing, and what I was doing different.
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I’ve uploaded an XGA and an SVGA driver to the downloads page – it is currently extremely slow to write to the bitmap, but I am working on that – by the weekend it will NOT be slow any more (well, at least not the SVGA one; XGA hogs most of the memory bandwidth just for refreshing the screen)

“Morpheus System Architecture and Developer’s Guide” now available!

Monday, August 17th, 2009

Ladies and Gentlemen,

I have uploaded v0.90 of the Developer’s Guide to the Downloads page (link to your left).

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Bill

Propteus is born!

Friday, August 14th, 2009

Proteus base board configuration

Propteus is based on the standard 4″x3.05″ Parallax Protoboard format, and has the following features:

Propeller base circuit

  • PropPlug compatible headers, extra pins possible for Vcc, SCL, SDA
  • EEPROM support
  • P8X32 dip support
  • support for FOUR decoupling capacitors for the propeller – two on either side. Saphiea recommends 33uF tantalum and 100nF ceramic on each side for maximum overclocking potential.
  • designed to easily support Sigma-Delta, can cut top trace to second user pad for very short leads
  • optional RESET/user switch

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Expansion headers

  • MORPHBUS connector support – or can be used for 2xN headers
  • can be stacked on Morpheus, Propeller ProtoBoard, SX boards, Stamp boards
  • can be “base” board for another Propteyus, Proteus, Mem+, Morpheus
  • two ProtoBoard / Morpheus / SpinStudio compatible ten pin expansion headers
  • expansion headers can be left unconnected, directly connected to P0-P7, P8-P15, or connected via current limiting resistors
  • optionally the EXP1/EXP2 connectors can be driven by other circuitry on the large prototyping area
  • supports extra 1×12 header on bottom left
  • supports 12 servo headers on top right

LED’s – Everyone loves blinking lights!

  • supports four user LED’s with current limiting resistors
  • supports power LED with current limiting resistor

Voltage Regulation

  • support for 3.3V regulator circuit
  • optional power switch
  • filter capacitor support
  • reverse voltage protection diode
  • two pin power input
  • can power MORPHBUS
  • can be powered from MORPHBUS

Servo Power

  • when MORPHBUS powered can be wired to provide 1000uF capacitor and 1uH induction for better external servo power

Large Prototyping Area

  • Large prototyping area designed for better 0.3″ and 0.6″ support
  • Special zig-zag Vcc/GND bus, within 0.1″-0.145″ from any bus

Pricing:

  • Bare PCB $12.95 USD
  • Bare PCB with two short 1x10F, one short 2x20F, one 1x7M connector $14.95 USD
  • Bare PCB with two stacking 1x10F, one stacking 2x20F, one 1x7M connectors $17.95 USD

Prices do not include shipping and handling.

Available NOW!

Propteus stacking daughterboard configurationPropteus stacking daughterboard configurationProteus Servo Header

Proteus base board configurationProteus base board configurationPropteus stacking EXP header detail