add option to disable sd indication on border

fpga/rtl/magic.sv

@@ -29,7 +29,8 @@ module magic(
     output reg ulaplus_en,
     output reg ay_en,
     output reg covox_en,
-    output reg soundrive_en
+    output reg soundrive_en,
+    output reg sd_indication_en
 );
 
 localparam magic_on_start = 1'b1;
@@ -92,6 +93,7 @@ always @(posedge clk28 or negedge rst_n) begin
         ay_en <= 1'b1;
         covox_en <= 1'b1;
         soundrive_en <= 1'b1;
+        sd_indication_en <= 1'b1;
     end
     else if (config_cs && bus.wr) case (bus.a[15:8])
         8'h01: {magic_reboot, magic_beeper} <= bus.d[1:0];
@@ -103,6 +105,7 @@ always @(posedge clk28 or negedge rst_n) begin
         8'h09: {zc_en, divmmc_en} <= bus.d[1:0];
         8'h0A: ulaplus_en <= bus.d[0];
         8'h0B: {soundrive_en, covox_en} <= bus.d[1:0];
+        8'h0C: sd_indication_en <= bus.d[0];
     endcase
 end
 

fpga/rtl/top.sv

@@ -62,6 +62,7 @@ wire clkcpu_stall;
 wire [2:0] ram_page128;
 wire init_done;
 wire video_read_req, video_read_req_next;
+wire sd_indication;
 
 
 /* CPU BUS */
@@ -116,7 +117,7 @@ video video0(
 
     .machine(machine),
     .turbo(turbo),
-    .border({border[2] ^ ~sd_cs, border[1] ^ magic_beeper, border[0]}),
+    .border({border[2] ^ sd_indication, border[1] ^ magic_beeper, border[0]}),
 
     .r(r),
     .g(g),
@@ -227,7 +228,8 @@ wire magic_dout_active;
 wire magic_mode, magic_map;
 wire joy_sinclair, up_en, ay_en, covox_en, soundrive_en;
 panning_t panning;
-wire divmmc_en, zc_en;
+wire divmmc_en, zc_en, sd_indication_en;
+assign sd_indication = sd_indication_en & ~sd_cs;
 
 magic magic0(
     .rst_n(n_rstcpu),
@@ -259,7 +261,8 @@ magic magic0(
     .ulaplus_en(up_en),
     .ay_en(ay_en),
     .covox_en(covox_en),
-    .soundrive_en(soundrive_en)
+    .soundrive_en(soundrive_en),
+    .sd_indication_en(sd_indication_en)
 );
 
 
@@ -352,7 +355,7 @@ mixer mixer0(
 
     .beeper(beeper ^ magic_beeper),
     .tape_out(tape_out),
-    .tape_in(sd_miso_tape_in),
+    .tape_in((divmmc_en || zc_en)? sd_indication : sd_miso_tape_in),
     .ay_a0(ay_a0),
     .ay_b0(ay_b0),
     .ay_c0(ay_c0),
@@ -406,7 +409,7 @@ divmmc divmmc0(
     .ram(div_ram),
     .ramwr_mask(div_ramwr_mask)
 );
-assign sd_mosi_tape_out = (!divmmc_en && !zc_en)? tape_out : sd_mosi0;
+assign sd_mosi_tape_out = (divmmc_en || zc_en)? sd_mosi0 : tape_out;
 
 
 /* ULAPLUS */

rom_src/config.asm

@@ -31,6 +31,7 @@ ay         DB 1
 sd         DB 2
 ulaplus    DB 1
 dac        DB 3
+sdind      DB 1
     ENDS
 
 CFG_DEFAULT CFG_T

rom_src/menu_structure.asm

@@ -37,10 +37,17 @@ menudefault: MENU_DEF 20
     MENUENTRY_T str_sd          menu_sd_value_cb          menu_sd_cb
     MENUENTRY_T str_ulaplus     menu_ulaplus_value_cb     menu_ulaplus_cb
     MENUENTRY_T str_dac         menu_dac_value_cb         menu_dac_cb
+    MENUENTRY_T str_menuadv     0                         menu_menuadv_cb
     MENUENTRY_T str_exit        menu_exit_value_cb        menu_exit_cb
     MENUENTRY_T 0
 .end:
 
+menuadv: MENU_DEF 22
+    MENUENTRY_T str_sd_indication menu_sdind_value_cb     menu_sdind_cb
+    MENUENTRY_T str_back          0                       menu_back_cb
+    MENUENTRY_T 0
+.end:
+
 
 
 menu_machine_value_cb:
@@ -116,6 +123,13 @@ menu_exit_value_cb:
     DW str_exit_no_reboot.end-2
     DW str_exit_reboot.end-2
 
+menu_sdind_value_cb:
+    ld ix, .values_table
+    ld a, (cfg.sdind)
+    jp menu_value_get
+.values_table:
+    DW str_off_short.end-2
+    DW str_on_short.end-2
 menu_value_get:
     sla a
     ld c, a
@@ -203,6 +217,25 @@ menu_exit_cb:
     ld (var_exit_flag), a
     ret
 
+menu_menuadv_cb:
+    ld hl, menuadv
+    call menu_init
+    ret
+
+menu_sdind_cb:
+    ld a, (cfg.sdind)
+    ld c, 1
+    call menu_handle_press
+    ld (cfg.sdind), a
+    ld bc, #0cff
+    out (c), a
+    ret
+
+menu_back_cb:
+    call restore_screen
+    ld hl, (var_menumain)
+    jp menu_init
+
 
 ; IN  -  A - variable to change
 ; IN  -  C - max value

rom_src/strings.asm

@@ -11,6 +11,8 @@ str_exit_reboot:       DEFSTR "& reboot     "
 str_exit_no_reboot:    DEFSTR "             "
 str_on:                DEFSTR "   ON"
 str_off:               DEFSTR "      OFF"
+str_on_short:          DEFSTR " ON"
+str_off_short:         DEFSTR "OFF"
 str_machine:           DEFSTR "Machine"
 str_machine_48:        DEFSTR "      48"
 str_machine_128:       DEFSTR "     128"
@@ -37,3 +39,6 @@ str_dac:               DEFSTR "DAC"
 str_dac_covox:         DEFSTR "   Covox"
 str_dac_sd:            DEFSTR "      SD"
 str_dac_covoxsd:       DEFSTR "Covox+SD"
+str_menuadv:           DEFSTR "Advanced..."
+str_sd_indication:     DEFSTR "SD indication"
+str_back:              DEFSTR "Go back..."