uzix/zx-sizif-xxs
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add support for ZC SD card controller; replace NO-OS divmmc mode with ZC

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UzixLS
2022-01-31 21:39:26 +03:00
parent d6a31c0502
commit 456cb97fac
13 changed files with 63 additions and 41 deletions
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15
fpga/rtl/top.sv
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@ -234,7 +234,8 @@ wire magic_dout_active;
wire magic_mode, magic_map;
wire joy_sinclair, up_en, ay_en, covox_en, soundrive_en;
panning_t panning;
divmmc_t divmmc_en;
wire divmmc_en, zc_en;
magic magic0(
.rst_n(n_rstcpu),
.clk28(clk28),
@ -249,7 +250,6 @@ magic magic0(
.magic_button(ps2_key_magic),
.pause_button(ps2_key_pause),
.sd_cd(sd_cd),
.div_automap(div_automap),
.magic_mode(magic_mode),
@ -262,6 +262,7 @@ magic magic0(
.joy_sinclair(joy_sinclair),
.panning(panning),
.divmmc_en(divmmc_en),
.zc_en(zc_en),
.ulaplus_en(up_en),
.ay_en(ay_en),
.covox_en(covox_en),
@ -387,13 +388,15 @@ divmmc divmmc0(
.clk28(clk28),
.ck14(ck14),
.ck7(ck7),
.en(divmmc_en == DIVMMC_ON || divmmc_en == DIVMMC_NOOS),
.en_hooks(divmmc_en == DIVMMC_ON),
.en(divmmc_en),
.en_hooks(divmmc_en),
.en_zc(zc_en),
.bus(bus),
.d_out(div_dout),
.d_out_active(div_dout_active),
.sd_cd(sd_cd),
.sd_miso(sd_miso_tape_in),
.sd_mosi(sd_mosi0),
.sd_sck(sd_sck),
@ -410,7 +413,7 @@ divmmc divmmc0(
.ramwr_mask(div_ramwr_mask),
.cpuwait(div_wait)
);
assign sd_mosi_tape_out = (divmmc_en == DIVMMC_OFF)? tape_out : sd_mosi0;
assign sd_mosi_tape_out = (!divmmc_en && !zc_en)? tape_out : sd_mosi0;
/* ULAPLUS */
@ -498,7 +501,7 @@ memcontrol memcontrol0(
.port_1ffd(port_1ffd),
.port_dffd(port_dffd),
.rampage_ext(rampage_ext),
.divmmc_en(divmmc_en != DIVMMC_OFF),
.divmmc_en(divmmc_en),
.div_ram(div_ram),
.div_map(div_map),
.div_ramwr_mask(div_ramwr_mask),