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- corrected blit NX which has to be divided by 2

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git-svn-id: http://moon:8086/svn/vhdl/trunk@673 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2009-11-22 15:10:50 +00:00
parent 4ff589039a
commit 51f9d7849f
1 changed files with 12 additions and 10 deletions
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lib/VGA_ctrl/src/vga_frontend64.vhd
+12 -10
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@@ -138,6 +138,7 @@ architecture Behavioral of vga_frontend64 is
signal blit_dimx_src_0 : unsigned(31 downto 0); signal blit_dimx_src_0 : unsigned(31 downto 0);
signal blit_dimx_src_1 : unsigned(31 downto 0); signal blit_dimx_src_1 : unsigned(31 downto 0);
signal blit_dimx_dst : unsigned(31 downto 0); signal blit_dimx_dst : unsigned(31 downto 0);
signal host_blit_nx : unsigned(31 downto 0);
signal blit_nx : unsigned(31 downto 0); signal blit_nx : unsigned(31 downto 0);
signal blit_ny : unsigned(31 downto 0); signal blit_ny : unsigned(31 downto 0);
signal blit_func_sel : unsigned(3 downto 0); signal blit_func_sel : unsigned(3 downto 0);
@@ -771,7 +772,7 @@ registers_read:
-- sys_blit_nx 56 -- sys_blit_nx 56
when "1110" => when "1110" =>
SDAT_O <= blit_nx; SDAT_O <= host_blit_nx;
-- sys_blit_ny 60 -- sys_blit_ny 60
when "1111" => when "1111" =>
@@ -842,40 +843,41 @@ registers_write:
-- sys_vga_fb_front 24 -- sys_vga_fb_front 24
when "0110" => when "0110" =>
host_fb_front <= SDAT_I(31 downto 2) & "00"; host_fb_front <= SDAT_I(31 downto 3) & "000";
-- sys_vga_fb_back 28 -- sys_vga_fb_back 28
when "0111" => when "0111" =>
bufchg_flag_ack <= '1'; bufchg_flag_ack <= '1';
host_fb_back <= SDAT_I(31 downto 2) & "00"; host_fb_back <= SDAT_I(31 downto 3) & "000";
-- sys_blit_addr_src_0 32 -- sys_blit_addr_src_0 32
when "1000" => when "1000" =>
blit_addr_src_0 <= SDAT_I; blit_addr_src_0 <= SDAT_I(31 downto 3) & "000";
-- sys_blit_addr_src_1 36 -- sys_blit_addr_src_1 36
when "1001" => when "1001" =>
blit_addr_src_1 <= SDAT_I; blit_addr_src_1 <= SDAT_I(31 downto 3) & "000";
-- sys_blit_addr_dst 40 -- sys_blit_addr_dst 40
when "1010" => when "1010" =>
blit_addr_dst <= SDAT_I; blit_addr_dst <= SDAT_I(31 downto 3) & "000";
-- sys_blit_dimx_src_0 44 -- sys_blit_dimx_src_0 44
when "1011" => when "1011" =>
blit_dimx_src_0 <= SDAT_I; blit_dimx_src_0 <= SDAT_I(31 downto 3) & "000";
-- sys_blit_dimx_src_1 48 -- sys_blit_dimx_src_1 48
when "1100" => when "1100" =>
blit_dimx_src_1 <= SDAT_I; blit_dimx_src_1 <= SDAT_I(31 downto 3) & "000";
-- sys_blit_dimx_dst 52 -- sys_blit_dimx_dst 52
when "1101" => when "1101" =>
blit_dimx_dst <= SDAT_I; blit_dimx_dst <= SDAT_I(31 downto 3) & "000";
-- sys_blit_nx 56 -- sys_blit_nx 56
when "1110" => when "1110" =>
blit_nx <= SDAT_I; host_blit_nx <= SDAT_I;
blit_nx <= '0' & SDAT_I(31 downto 1);
-- sys_blit_ny 60 -- sys_blit_ny 60
when "1111" => when "1111" =>