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added a little bus toggling to the test bench

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This commit is contained in:
Markus Fröschle
2014-12-24 09:42:57 +00:00
parent 766d75a5d3
commit e7e4fa4e75
3 changed files with 47 additions and 24 deletions
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13
vhdl/rtl/vhdl/Video/Video_Top.vhd
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@@ -212,7 +212,7 @@ BEGIN
clk_pixel <= clk_pixel_i;
fifo_clr <= fifo_clr_i;
P_CLUT_ST_MC: PROCESS
p_clut_st_mc : PROCESS
-- This is the dual ported ram FOR the ST colour lookup tables.
VARIABLE clut_fa_index : INTEGER;
VARIABLE clut_st_index : INTEGER;
@@ -223,6 +223,7 @@ BEGIN
clut_fi_index := TO_INTEGER(UNSIGNED(fb_adr(9 DOWNTO 2)));
WAIT UNTIL RISING_EDGE(clk_main);
IF clut_st_wr(0) = '1' THEN
clut_st(clut_st_index)(11 DOWNTO 8) <= fb_ad_in(27 DOWNTO 24);
END IF;
@@ -253,9 +254,9 @@ BEGIN
clut_st_out <= clut_st(clut_st_index);
clut_fa_out <= clut_fa(clut_fa_index);
clut_fbee_out <= clut_fi(clut_fi_index);
END PROCESS P_CLUT_ST_MC;
END PROCESS p_clut_st_mc;
P_CLUT_ST_PX: PROCESS
p_clut_st_px : PROCESS
VARIABLE clut_fa_index : INTEGER;
VARIABLE clut_st_index : INTEGER;
VARIABLE clut_fi_index : INTEGER;
@@ -278,9 +279,9 @@ BEGIN
clut_fbee_r <= clut_fi(clut_fi_index)(23 DOWNTO 16);
clut_fbee_g <= clut_fi(clut_fi_index)(15 DOWNTO 8);
clut_fbee_b <= clut_fi(clut_fi_index)(7 DOWNTO 0);
END PROCESS P_CLUT_ST_PX;
END PROCESS p_clut_st_px;
P_VIDEO_OUT: PROCESS
p_video_out : PROCESS
VARIABLE video_out : STD_LOGIC_VECTOR(23 DOWNTO 0);
BEGIN
WAIT UNTIL RISING_EDGE(clk_pixel_i);
@@ -296,7 +297,7 @@ BEGIN
red <= video_out(23 DOWNTO 16);
green <= video_out(15 DOWNTO 8);
blue <= video_out(7 DOWNTO 0);
END PROCESS P_VIDEO_OUT;
END PROCESS p_video_out;
P_CC: PROCESS
VARIABLE cc24_i : STD_LOGIC_VECTOR(31 DOWNTO 0);