github.com/Gehstock.Mist_FPGA
1
0
Fork 0
mirror of https://github.com/Gehstock/Mist_FPGA.git synced 2026-02-16 12:42:49 +00:00
Code Issues Releases Wiki Activity

Segasys1: fix "wobbling" sprites in wboy

Browse Source
This commit is contained in:
Gyorgy Szombathelyi
2021-07-02 12:26:57 +02:00
parent ead26d08c4
commit 983ede0e34
1 changed files with 5 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
Arcade_MiST/Sega System 1 Hardware/rtl/SEGASYS1_SPRITE.v
View File

@@ -147,7 +147,7 @@ always @ ( posedge VCLKx8 ) if (VCLKx4_EN) begin
// get yofs/xpos/bank
2: begin
yofs <= hitsprvps[hitr];
xpos <= sprdt[8:1]+14;
xpos <= ((sprdt[8:0]+1)>>1) + 8'd14;
bank <= { sprdt[13], sprdt[14], sprdt[15] };
spr_ofs <= 2;
phaseHD <= 3;
@@ -175,7 +175,7 @@ always @ ( posedge VCLKx8 ) if (VCLKx4_EN) begin
we <= 1'b0;
rdat <= sprchdt;
nowflip <= srcadrs[15];
srcadrs <= hflip ? (srcadrs-1) : (srcadrs+1);
srcadrs <= hflip ? (srcadrs-1'd1) : (srcadrs+1'd1);
if ((hflip && !srcadrs[0]) || (!hflip && srcadrs[0])) waitcnt <= 6; // assume 16 bit words are cached
phaseHD <= 7;
end else
@@ -202,7 +202,7 @@ always @ ( posedge VCLKx8 ) if (VCLKx4_EN) begin
sprcoll_ad <= sprcoll_adr;
end
end
xpos <= xpos+1;
xpos <= xpos+1'd1;
phaseHD <= 9;
end
9: begin
@@ -227,7 +227,7 @@ always @ ( posedge VCLKx8 ) if (VCLKx4_EN) begin
sprcoll_ad <= sprcoll_adr;
end
end
xpos <= xpos+1;
xpos <= xpos+1'd1;
//waitcnt <= 5;
phaseHD <= 6;
end
@@ -237,7 +237,7 @@ always @ ( posedge VCLKx8 ) if (VCLKx4_EN) begin
sprcoll <= 1'b0;
we <= 1'b0;
phaseHD <= ( hitr == (hits-1) ) ? 15 : 1;
hitr <= hitr+1;
hitr <= hitr+1'd1;
end
default: begin