2021-11-27 18:49:47 -05:00
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assign CS0 = ( Internal_Address[31:21] == 11'b0000_0000_000 ) & ( UserData | UserProgram | SuperData | SuperProgram ); //$00 (2M)
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// System RAM
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assign CS_MERA = ( Internal_Address[31:24] == 7'b0000_001 ) & ( UserData | UserProgram | SuperData | SuperProgram ); //$02000000 - $05FFFFFF 64Meg
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// Video RAM
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assign CS_VRAM_A = ( Internal_Address[31:21] == 11'b0000_0000_100 ) & ( UserData | SuperData ); //$080000 - 09FFFF (2M) (out of 8M)
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assign CS_VRAM_B = ( Internal_Address[31:21] == 11'b0000_0000_101 ) & ( UserData | SuperData ); //$0A0000 - 0BFFFF (2M) (out of 8M)
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assign CS_GABE = ( Internal_Address[31:17] == 15'b1111_1110_1100_000 ) & ( UserData | SuperData ); //$FEC0
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assign CS_BEATRIX = ( Internal_Address[31:17] == 15'b1111_1110_1100_001 ) & ( UserData | SuperData ); //$FEC2
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// Vicky Channel A
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assign CS_VICKY_A = ( Internal_Address[31:17] == 15'b1111_1110_1100_010 ) & ( UserData | SuperData ); //$FEC4
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assign CS_VICKY_MEM_A = ( Internal_Address[31:17] == 15'b1111_1110_1100_011 ) & ( UserData | SuperData ); //$FEC6
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//$00C6_8000 - $00C9_FFFF - Reserved
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// Vicky Channel B
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assign CS_VICKY_B = ( Internal_Address[31:17] == 15'b1111_1110_1100_100 ) & ( UserData | SuperData ); //$FEC8
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assign CS_VICKY_MEM_B = ( Internal_Address[31:17] == 15'b1111_1110_1100_101 ) & ( UserData | SuperData ); //$FECA
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assign FLASH0 = ( Internal_Address[31:21] == 11'b1111_1111_111 ) & ( SuperData | SuperProgram ); //$FFE0_0000
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VICKY_MASTER_REG[8] <= 32'h1008_1008; // FONT Manager - Font Container Size and FONT Size
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VICKY_MASTER_REG[9] <= 32'h0000_1E50; // FONT - Horizontal # of Character, Vertical # FONT Line
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2021-12-07 21:32:28 -05:00
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always @ (*)
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begin
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case(CPU_A_i[4:2])
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3'b000: begin CPU_D_o = {16'h0000, J0_BUTTON2_Input, J0_BUTTON1_Input, 1'b0, J0_BUTTON0_Input, J0_RIGHT_i, J0_LEFT_i, J0_DOWN_i, J0_UP_i, J1_BUTTON2_Input, J1_BUTTON1_Input, 1'b0, J1_BUTTON0_Input, J1_RIGHT_i, J1_LEFT_i, J1_DOWN_i, J1_UP_i}; end
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3'b001: begin CPU_D_o = {16'h0000, SNES_CTRL_REG[15:7], SampleIsDone, SNES_CTRL_REG[5:0] }; end
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3'b010: begin CPU_D_o = { SNES_PORT0_INPUT1, 4'b0000, SNES_PORT0_INPUT0, 4'b0000 }; end
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3'b011: begin CPU_D_o = { SNES_PORT0_INPUT3, 4'b0000, SNES_PORT0_INPUT2, 4'b0000 }; end
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3'b100: begin CPU_D_o = { SNES_PORT1_INPUT1, 4'b0000, SNES_PORT1_INPUT0, 4'b0000 }; end
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3'b101: begin CPU_D_o = { SNES_PORT1_INPUT3, 4'b0000, SNES_PORT1_INPUT2, 4'b0000 }; end
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3'b110: begin CPU_D_o = {6'b00_0000, F_SD_WP_i, F_SD_CD_i, 8'b0000_0000, 6'b00_0000, USER_i[1], USER_i[0], 6'b00_0000, BOOT_MODE_i[1], BOOT_MODE_i[0]}; end
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3'b111: begin CPU_D_o = 32'hAAAA_5555; end
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default: begin CPU_D_o = 32'hDEAF_B00B; end
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endcase
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end
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2021-12-08 15:13:31 -05:00
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assign NES_PORT_0_ENABLE = SNES_CTRL_REG[0];
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assign NES_PORT_1_ENABLE = SNES_CTRL_REG[1];
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assign NES_SNES_PORT_0_CHOICE = !SNES_CTRL_REG[2];
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assign NES_SNES_PORT_1_CHOICE = !SNES_CTRL_REG[3];
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This is new:
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assign JOYSTICK0_RLY_o = SNES_CTRL_REG[8];
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assign JOYSTICK1_RLY_o = SNES_CTRL_REG[9];
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this control the relay to swap the Button1 and Button2 (I think) to relay the signal to the Analog Input of the Super IO
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Mimiru Miru — Today at 9:46 PM
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ahhh ok
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c256foenix — Today at 9:46 PM
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SNES_CTRL_REG[7] is start the Transfer
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