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Spectrum "fix"   Message List  
Reply | Forward Message #162 of 188 |
Hi,

A quick note on the Spectrum project - my composite video is generated
by an ADV724 and it doesn't like border colours being fed to it during
VSYNC (the picture rolls) so I modified spectrum48.vhd thusly:

R(1) <= R_i and RGB_En and not VSync;
R(0) <= R_i and Bright and RGB_En and not VSync;
G(1) <= G_i and RGB_En and not VSync;
G(0) <= G_i and Bright and RGB_En and not VSync;
B(1) <= B_i and RGB_En and not VSync;
B(0) <= B_i and Bright and RGB_En and not VSync;

Regards,
Mark



Thu Feb 15, 2007 2:30 am

tcdevelop
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Message #162 of 188 |
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Hi, A quick note on the Spectrum project - my composite video is generated by an ADV724 and it doesn't like border colours being fed to it during VSYNC (the...
Mark McDougall
tcdevelop
Online Now Send Email
Feb 15, 2007
2:34 am
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