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C64: [VIC2] adjust shiftLoadEna flag

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This commit is contained in:
Gyorgy Szombathelyi
2020-04-24 22:00:15 +02:00
parent 9bdb3165e1
commit edbb59cefa
1 changed files with 2 additions and 5 deletions
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7
cores/c64/rtl/video_vicII_656x_a.vhd
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@@ -635,7 +635,7 @@ vicStateMachine: process(clk)
shiftChars <= true;
end if;
shiftLoadEna <= false;
if rasterXDelay(9 downto 3) > "0000010"
if rasterXDelay(9 downto 3) > "0000001"
and rasterXDelay(9 downto 3) <= "0101010" then
shiftLoadEna <= true;
end if;
@@ -930,10 +930,7 @@ calcBitmap: process(clk)
shifting_ff <= '0';
shiftingChar <= waitingChar_r;
shiftingPixels <= waitingPixels_r;
if multiColor = '0' or shifting_ff = '1' then
-- don't change in middle of a multi-color (double width) pixel
currentPixels <= waitingPixels_r(7 downto 6);
end if;
currentPixels <= waitingPixels_r(7 downto 6);
elsif multiColor = '0' then
shiftingPixels <= shiftingPixels(6 downto 0) & '0';
currentPixels <= shiftingPixels(6 downto 5);