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The
ACRTC-2 Board |
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The following
short programs are written in 'C' and illustrate some of the
hardware accelerated drawing capabilities of the Hitachi HD63484 Advanced CRT
Controller on the ACRTC Board. |
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The compiled
programs here run from the EmuCON command prompt. |
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To launch EmuCON type: EM<CR>
at the SYS> prompt. |
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Hardware
Requirements |
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Mega 68000 or
68030 Computer System with 1x free expansion slot |
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Standard VGA
monitor |
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* Plug the ACRTC-2
Board into the expansion slot |
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* Connect the VGA
monitor to the ACRTC-2 Boards DE-15 interface |
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Software
Requirements |
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System ROM V2.05
or later |
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ACRTC-2 - Graphics Demo1 |
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The demo
below draws random coloured lines, rectangles, circles, and dots. |
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1. |
Download: |
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2. |
Using Windows extract all the files to a temp folder |
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3. |
Copy
demo1.tos to the EmuTOS Compact Flash disk C |
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4. |
On the
Mega-680x0 type:
demo1 at the EmuCON C:\> command prompt |
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The
program will run |
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ACRTC-2 - Graphics Demo2 |
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The demo
below draws a simple spiral pattern in the center of the
screen. |
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1. |
Download: |
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2. |
Using Windows extract all the files to a temp folder |
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3. |
Copy
demo2.tos to the EmuTOS Compact Flash disk C |
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4. |
On the
Mega-680x0 type: demo2 at the EmuCON C:\> command prompt |
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The
program will run |
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ACRTC-2 - Graphics Demo3 |
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In
September 1982 an article appeared in ANALOG
Computing Issue 7 featuring a graphics program
known as the Archimedes Spiral. This classic
80's program is well known for the ‘hat’ image it
produces. ACRTC Demo3 faithfully reproduces that 1982 image
in the center of the ACRTC screen. |
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1. |
Download: |
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2. |
Using Windows extract all the files to a temp folder |
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3. |
Copy
demo3.tos to the EmuTOS Compact Flash disk C |
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4. |
On the
Mega-680x0 type: demo3 at the EmuCON C:\> command prompt |
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The
program will run |
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ACRTC-2 - Graphics Demo4 |
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The demo
below draws a Barnsley fern in the center of the
screen. This computer generated image is a well known fractal named
after the british mathematician Michael Barnsley. |
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1. |
Download: |
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2. |
Using Windows extract all the files to a temp folder |
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3. |
Copy
demo4.tos to the EmuTOS Compact Flash disk C |
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4. |
On the
Mega-680x0 type: demo4 at the EmuCON C:\> command prompt |
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The
program will run |
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ACRTC-2 - Graphics Demo5 |
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The demo
below draws a set of colour bars. Use the ESC key to
quit the program. |
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1. |
Download: |
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2. |
Using Windows extract all the files to a temp folder |
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3. |
Copy
demo5.tos to the EmuTOS Compact Flash disk C |
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4. |
On the
Mega-680x0 type: demo5 at the EmuCON C:\> command prompt |
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The
program will run |
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ACRTC-2 - Graphics Demo6 |
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The demo
below draws a set of grey scale bars. Use the ESC key to
quit the program. |
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1. |
Download: |
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2. |
Using Windows extract all the files to a temp folder |
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3. |
Copy
demo6.tos to the EmuTOS Compact Flash disk C |
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4. |
On the
Mega-680x0 type: demo6 at the EmuCON C:\> command prompt |
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The
program will run |
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