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Code Issues Releases Wiki Activity

[Gameboy] Fix CGB cart detection

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This commit is contained in:
Gyorgy Szombathelyi
2019-07-17 18:12:47 +02:00
parent 979de62a11
commit ddd7239bf7
1 changed files with 3 additions and 3 deletions
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6
cores/gameboy/gb_mist.v
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@@ -328,9 +328,9 @@ always @(posedge clk64) begin
if(dio_download && dio_write) begin
// cart is stored in 16 bit wide sdram, so addresses are shifted right
case(dio_addr)
24'h142: cart_cgb_flag <= dio_data[15:8];
24'ha3: cart_mbc_type <= dio_data[7:0]; // $147
24'ha4: { cart_rom_size, cart_ram_size } <= dio_data; // $148/$149
24'ha1: cart_cgb_flag <= dio_data[7:0]; // $143
24'ha3: cart_mbc_type <= dio_data[7:0]; // $147
24'ha4: { cart_rom_size, cart_ram_size } <= dio_data; // $148/$149
endcase
end
end