mirror of
https://github.com/MiSTer-devel/Arcade-BubSysROM_MiSTer.git
synced 2026-05-17 03:01:49 +00:00
Add some parameters for K5295
1. Double height mode: supports x2 height sprites. 2. Save framebuffer capacity: Konami used 1Mb buffer for the unused, unknown interlaced mode. It's enough for 512kb. This will save huge resources.
This commit is contained in:
@@ -3,6 +3,10 @@
|
||||
*/
|
||||
|
||||
module K005295
|
||||
#(
|
||||
parameter __ENABLE_DOUBLE_HEIGHT_MODE = 1'b0,
|
||||
parameter __SAVE_FRAMEBUFFER_CAPACITY = 1'b1
|
||||
)
|
||||
(
|
||||
//emulator
|
||||
input wire i_EMU_MCLK,
|
||||
@@ -59,8 +63,6 @@ module K005295
|
||||
////// GLOBAL SIGNALS
|
||||
////
|
||||
|
||||
reg __ENABLE_DOUBLE_HEIGHT_MODE = 1'b0;
|
||||
|
||||
reg hsize_parity = 1'b0;
|
||||
reg pixellatch_wait_n;
|
||||
|
||||
@@ -1556,7 +1558,7 @@ begin
|
||||
|
||||
if(i_VBLANK_n == 1'b0 && prev_vblank == 1'b1) //async reset by VBLANK
|
||||
begin
|
||||
buffer_frame_parity <= ~buffer_frame_parity;
|
||||
buffer_frame_parity <= ~buffer_frame_parity | __SAVE_FRAMEBUFFER_CAPACITY;
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
@@ -805,15 +805,9 @@ SRAM2k8 OBJTABLE
|
||||
);
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////
|
||||
////// K005295
|
||||
////
|
||||
//
|
||||
// asic section
|
||||
//
|
||||
|
||||
wire [7:0] OCA;
|
||||
wire CHAOV;
|
||||
@@ -832,7 +826,8 @@ wire [2:0] PIXELSEL;
|
||||
|
||||
|
||||
//declare K005295 core
|
||||
K005295 K005295_main
|
||||
K005295 #(.__ENABLE_DOUBLE_HEIGHT_MODE(1'b0), .__SAVE_FRAMEBUFFER_CAPACITY(1'b1))
|
||||
K005295_main
|
||||
(
|
||||
.i_EMU_MCLK (i_EMU_MCLK ),
|
||||
.i_EMU_CLK6MPCEN_n (o_EMU_CLK6MPCEN_n ),
|
||||
|
||||
Reference in New Issue
Block a user