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Option to use original kernal.

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sorgelig
2018-05-04 22:13:38 +08:00
parent 96a40aff55
commit c291e31c2c
1 changed files with 27 additions and 9 deletions
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36
C16.sv
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@@ -111,7 +111,7 @@ assign VIDEO_ARY = status[1] ? 8'd9 : 8'd3;
wire [1:0] scale = status[3:2];
`include "build_id.v"
parameter CONF_STR = {
parameter CONF_STR1 = {
"C16;;",
"-;",
"F,PRG;",
@@ -124,7 +124,11 @@ parameter CONF_STR = {
"-;",
"O5,Joysticks swap,No,Yes;",
"-;",
"O4,Model,C16,Plus/4;",
"O4,Model,C16,Plus/4;"
};
parameter CONF_STR2 = {
"6,Kernal,from boot.rom,Original;",
"-;",
"R0,Reset;",
"J,Fire;",
@@ -245,12 +249,12 @@ wire sd_buff_wr;
wire img_mounted;
wire img_readonly;
hps_io #(.STRLEN($size(CONF_STR)>>3)) hps_io
hps_io #(.STRLEN(($size(CONF_STR1)>>3)+($size(CONF_STR2)>>3)+1)) hps_io
(
.clk_sys(clk_sys),
.HPS_BUS(HPS_BUS),
.conf_str(CONF_STR),
.conf_str({CONF_STR1, rom_loaded ? "O" : "+", CONF_STR2}),
.buttons(buttons),
.status(status),
@@ -357,9 +361,12 @@ end
///////////////// ROM /////////////////////////
reg rom_loaded =0;
always @(posedge clk_sys) if(ioctl_wr && (ioctl_addr[24:14]==1) && !ioctl_index) rom_loaded <=1;
// Kernal rom
wire [7:0] kernal_dout;
gen_rom #("roms/c16_kernal.mif") kernal
wire [7:0] kernal0_dout;
gen_rom #("roms/c16_kernal.mif") kernal0
(
.wrclock(clk_sys),
.wraddress(ioctl_addr[13:0]),
@@ -368,8 +375,19 @@ gen_rom #("roms/c16_kernal.mif") kernal
.rdclock(clk_c16),
.rdaddress(c16_addr[13:0]),
.q(kernal_dout),
.cs(~cs1 && (!romh || kern))
.q(kernal0_dout),
.cs(~cs1 && (!romh || kern) && ~status[6])
);
wire [7:0] kernal1_dout;
gen_rom #("roms/c16_kernal.mif") kernal1
(
.wrclock(clk_sys),
.rdclock(clk_c16),
.rdaddress(c16_addr[13:0]),
.q(kernal1_dout),
.cs(~cs1 && (!romh || kern) && status[6])
);
// Basic rom
@@ -474,7 +492,7 @@ wire [15:0] c16_addr;
wire c16_rnw;
wire pal;
wire [7:0] c16_din = ram_dout&kernal_dout&basic_dout&fh_dout&fl_dout&cartl_dout&carth_dout;
wire [7:0] c16_din = ram_dout & kernal0_dout & kernal1_dout & basic_dout & fh_dout & fl_dout & cartl_dout & carth_dout;
wire cs_ram,cs0,cs1,cs_io;
C16 c16