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Fixed mode comments and line in 56Hz border

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This commit is contained in:
harbaum
2013-10-03 18:59:28 +00:00
parent 1170810028
commit 80d6a7a367
2 changed files with 6 additions and 9 deletions
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2
cores/mist/video.v
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@@ -312,7 +312,7 @@ wire scanline = scan_doubler_enable && sd_vcnt[0];
// reading it has to look one vga_hcnt cycle into the future
wire [9:0] border_width = t5_h_end - t4_h_border_left;
wire [9:0] vga_hcnt_next =
(vga_hcnt == t5_h_end)?(t5_h_end - t4_h_border_left):
(vga_hcnt == t5_h_end)?LINE_BORDER:
((vga_hcnt >= t4_h_border_left)?(vga_hcnt-t4_h_border_left):(vga_hcnt+LINE_BORDER+10'd1));
always @(posedge clk) begin

13
cores/mist/video_modes.v
View File

@@ -52,12 +52,10 @@ localparam V_ACT = 10'd400;
// ---------------------------------------------------------------------------
// 56Hz replacement for Atari 50Hz low and medium resolution video mode scan doubled:
// total: 1024x626, active incl border: 800x560, displayed: 640x400
// horizontal scan rate: 17.27 kHz, vertical scan rate: 56.34 hz
// total: 928x612, active incl border: 720x560, displayed: 640x400
// horizontal scan rate: 17.27 kHz ST, 34.48 kHz VGA, vertical scan rate: 56.34 hz
wire [121:0] pal56_config_str;
conf pal56_conf(
// front porch sync width back porch border width sync polarity
.h_fp ( 10'd44), .h_s (10'd120), .h_bp ( 10'd44), .h_bd (10'd40), .h_sp (1'b1),
@@ -71,7 +69,7 @@ conf pal56_conf(
// Atari 50Hz low and medium resolution video mode scan doubled:
// total: 1024x626, active incl border: 800x560, displayed: 640x400
// horizontal scan rate: 15.625 kHz, vertical scan rate: 49.92 hz
// horizontal scan rate: 15.625 kHz ST, 31.25 kHz VGA, vertical scan rate: 49.92 hz
wire [121:0] pal50_config_str;
conf pal50_conf(
@@ -87,7 +85,7 @@ conf pal50_conf(
// Atari 60Hz low and medium resolution video mode scan doubled:
// total: 1016x526, active incl border: 800x480, displayed: 640x400
// horizontal scan rate: 15.748 kHz, vertical scan rate: 59.88 hz
// horizontal scan rate: 15.748 kHz ST, 31.5 kHz VGA, vertical scan rate: 59.88 hz
wire [121:0] ntsc_config_str;
conf ntsc_conf(
@@ -103,10 +101,9 @@ conf ntsc_conf(
// Atari 71Hz high resolution video mode:
// total: 896x501, displayed: 640x400
// horizontal scan rate: 35.714 kHz, vertical scan rate: 71.286 hz
// horizontal scan rate: 35.714 kHz ST/VGA, vertical scan rate: 71.286 hz
wire [121:0] mono_config_str;
conf mono_conf(
// front porch sync width back porch border width sync polarity
.h_fp (10'd108), .h_s ( 10'd40), .h_bp (10'd108), .h_bd ( 10'd0), .h_sp (1'b0),