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8bitworkshop/test/cli/verilog/darksocv.v
2021-07-07 20:37:46 -05:00

229 lines
3.8 KiB
Verilog

`define __BAUD__ '0
module darksocv_top
(
input b,
c,
output d,
[3:0] LED,
DEBUG
);
wire e = b;
`ifdef g
`else
wire CLK = e;
wire h [];
reg [31:0] i [7];
`endif
wire [31:0] IADDR;
wire [31:0] aa;
wire [31:0] j;
wire [31:0] DATAO;
wire [31:0] k;
wire l,m;
wire [3:0] ab;
wire n [];
reg [5:0] o = 0;
`ifdef p
`else
reg [31:0] q
`ifdef r
`else
;
assign j = q;
`endif
always@(posedge CLK)
begin
`ifdef d
`else
q <= i;
`endif
end
reg [31:0] s;
`ifdef r
`endif
always@(posedge CLK)
begin
`ifdef d
`else
s <= i;
`ifdef d
`else
i[aa][ 7: 0 ] <= DATAO[ 7: 0 ];
`endif
`endif
end
assign k = s;
`endif
wire [7:0] u;
ae
v
(
CLK,
h,
m,
l,
ab,
k,
n,
u[1],
c,
d,
DEBUG
);
af
w
(
`ifdef ag
`else
CLK,
`endif
h,
c,
j,
IADDR,
.aa,
`ifdef x
`else
.k,
.DATAO,
ab,
l,
m,
`endif
y,
DEBUG
);
wire y ;
assign LED = o[3:0];
endmodule
`define UART_STATE_IDLE 6
`define UART_STATE_START 7
module ae
(
input CLK,
h,
m,
l,
[ 3:0] z,
[31:0] k,
output [31:0] DATAO,
output IRQ,
input RXD,
output TXD,
[3:0] DEBUG
);
reg [15:0] UART_TIMER = `__BAUD__;
`ifdef ah
`else
reg UART_XACK = 0;
`endif
reg [ 3:0] UART_XSTATE= 0;
`ifdef ah
`else
reg [ 7:0] UART_RFIFO = 0;
reg UART_RACK = 0;
`endif
reg [ 3:0] UART_RSTATE= 0;
`ifdef ah
`else
wire [7:0] UART_STATE = { 6'd0, UART_RACK, UART_XACK };
`endif
assign IRQ = 0;
`ifdef a
`else
assign DATAO = { UART_TIMER, UART_RFIFO, UART_STATE };
assign TXD = UART_XSTATE==`UART_STATE_START ;
`endif
assign DEBUG = { RXD, TXD, UART_XSTATE!=`UART_STATE_IDLE, UART_RSTATE!=`UART_STATE_IDLE };
endmodule
`define LCC 'b00000_11
module af
(
input CLK,
h,
c,
[31:0] j,
output [31:0] IADDR,
input [31:0] k,
output [31:0] DATAO,
aa,
`ifdef x
`else
[ 3:0] ab,
output l,
m,
`endif
y,
[3:0] DEBUG
);
wire [31:0] aj = 0;
reg [31:0] al;
reg XLCC, am , an=1;
reg [31:0] ao;
reg [31:0] ap;
always@(posedge CLK)
begin
al <= an ? al : j;
XLCC <= an ? XLCC : j==`LCC;
am <= aq
;
ao <=
aj;
ap <= aj;
end
`ifdef ag
`else
reg ar ;
`ifdef as
`else
reg [4:0] DPTR = al[19:15];
wire [4:0] at = al[24:20];
`endif
`endif
wire [31:0] au =
ap;
wire LCC = XLCC;
wire aq = am;
`ifdef av
`else
`ifdef as
`else
reg aw [];
reg [31:0] ax [031];
`endif
`endif
reg [31:0] ay= aw;
wire [31:0] az = ax[at]
;
`ifdef x
`else
wire [31:0] ba = az
`endif
;
wire [31:0] bb = az;
wire [31:0] bc = `ifdef d
`else
bb;
`endif
always@(posedge CLK)
begin
`ifdef ag
`else
ar <= 0;
ax[DPTR] <=
4;
`endif
end
assign DATAO = ba;
assign aa = au;
`ifdef x
`else
assign m = LCC;
assign l = aq;
assign ab = 'b1111;
assign IADDR = ay;
`endif
assign y = ar;
assign DEBUG = { an, ar, aq, LCC };
endmodule