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The
ACRTC Board |
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The base address
of the ACRTC Board is fixed at AAxxxx. It is essential
that no other add-in boards occupy the same address
space. Before proceeding remove all non-essential boards
or change the base address of any add-in
boards that conflict. |
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To test the ACRTC Board attach a
standard VGA monitor to the boards DE-15 interface and
follow the instructions below. |
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1. |
Download the following file: |
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or an
earlier version: |
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2. |
Use a
text editor to open the downloaded file |
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3. |
Highlight and copy ALL the text within the file |
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4. |
Paste
the copied text into the SYS> window |
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The
program will download
and run |
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5. |
Select
Menu Option '1' |
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6. |
Select
Menu Option '5' |
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7. |
When prompted
to 'Enter Fill Pattern'
type '0000' |
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8. |
Select
Menu Option '8' |
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The test procedure
above configures the ACRTC for 640x480 2 Colour Single
Access Mode, clears the screen, and issues drawing
commands to the ACRTC. The ACRTC should execute the
drawing commands and produce a test pattern on the
attached monitor. |
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Note: |
| Steps 5, 6, 7, and
8 are automatically performed by
acrtc_diagnostics_v1.12 or later at run time. |
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IMPORTANT - V1.11 &
V1.12 |
| When using
acrtc_diagnostics_v1.11 or later a Hex Display Board
(Base Address: ABxxxx) must be present. |
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Unable to
download? |
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Some internet browsers
may display the files contents rather
than download the file, if so use the following keyboard
shortcuts to select ALL the text in the browser window and copy
it to the Windows clipboard. |
| CTRL+A
(Select All) |
| CTRL+C
(Copy) |
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Using Windows
Notepad (or equivalent) create
a
new empty text document and paste the
copied text into the document using the following
shortcut. |
| CTRL+P
(Paste) |
| Now save the
document and to avoid confusion later name it
the same as the download name. |
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