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finalized oric vga/rgb switch

This commit is contained in:
byrtolet 2018-10-28 12:52:21 +02:00
parent 653b3a1021
commit c035da2cbd
2 changed files with 5 additions and 3 deletions
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1
cores/Oric/source/oricatmos.vhd
View File

@ -457,6 +457,7 @@ begin
PHI2 => ula_PHI2,
-- Video
video_vga => video_vga,
R => ULA_VIDEO_R,
G => ULA_VIDEO_G,
B => ULA_VIDEO_B,

7
cores/Oric/source/ula.vhd
View File

@ -115,7 +115,8 @@ port (
-- VCC -- pin 24
-- GND -- pin 06
HSYNC : out std_logic;
VSYNC : out std_logic
VSYNC : out std_logic;
video_vga : in std_logic
);
end;
@ -354,7 +355,7 @@ begin
hblankfr: process (CLK_24)
begin
if (rising_edge(CLK_24)) then
if (lCTR_H >= 0) and (lCTR_H <= 40) then
if (lCTR_H > 0) and (lCTR_H <= 40) then
lHBLANKn <= '1';
else
lHBLANKn <= '0';
@ -464,7 +465,7 @@ begin
lALT_SEL <= lREG_STYLE(0); -- Character set select : 0=Standard 1=Alternate
lDBLHGT_SEL <= lREG_STYLE(1); -- Character type select: 0=Standard 1=Double
lFLASH_SEL <= lREG_STYLE(2); -- Flash select : 0=Steady 1=Flashing
lFREQ_SEL <= '0'; -- lREG_MODE(1); -- Frequency select : 0=60Hz 1=50Hz
lFREQ_SEL <= lREG_MODE(1) when video_vga = '0' else '0'; -- Frequency select : 0=60Hz 1=50Hz
lHIRES_SEL <= lREG_MODE(2); -- Mode Select : 0=Text 1=Hires
-- Output signal for text/hires mode decode