Alex-2-Graf/ZX-EQ
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ZX-EQ/Firmware/epm7160-leds-right__upper.tdf
Alex-2-Graf 9681d14854 read
2026-05-24 15:44:54 +02:00

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% ver 10.01.22%
TITLE "MSX_EQ";
-- Libs
include "lpm_counter.inc";
include "lpm_shiftreg.inc";
%-----------------------------%
SUBDESIGN MSX_EQ
(
gclk : INPUT;
a15, a14, a1 : INPUT;
data[7..0] : INPUT;
ioreq : INPUT;
wr : INPUT;
m1 : INPUT;
led_plus[8..0] : OUTPUT;
led_minus[2..0][9..0] : OUTPUT;
)
VARIABLE
--cnt_to_3 : lpm_counter with (LPM_WIDTH = 2, LPM_MODULUS = H"3"); -- refresh led
cnt_div : lpm_counter with (LPM_WIDTH = 16); -- 3.7MHz
spec[8..0] : lpm_counter with (LPM_WIDTH = 4, LPM_DIRECTION = "DOWN");
RegAddr[3..0] : DFFE;
--RegValue[7..0] : DFFE;
FreqA[6..2], FreqB[6..2], FreqC[6..2] : DFFE;
ValA[3..0], ValB[3..0], ValC[3..0] : DFFE;
-- NODES
cnt_to_3[1..0] : NODE;
Val_ch[3..0] : NODE;
wr_addr : NODE;
wr_data : NODE;
ssg : NODE;
bc1 : NODE;
bdir : NODE;
-- clk20M, Clk40M, clk320M : NODE;
-- Modules
-- DFFE
-- CommandPC[7..0], CommandNVI[7..0] : DFFE;
-- Test and Led Signal
BEGIN
ssg = not (a15 and (not (a1 or ioreq)));
bc1 = not (ssg or (not (a14 and m1)));
bdir = not (ssg or wr);
wr_addr = bdir and bc1;
wr_data = bdir and (not bc1);
cnt_to_3[] = cnt_div.q[13..12];
(spec[8..0], cnt_div).clock = gclk;
(RegAddr[], FreqA[], FreqB[], FreqC[], ValA[], ValB[], ValC[]).clk = gclk;
RegAddr[] = data[3..0];
RegAddr[].ena = wr_addr;
(FreqA[3..2], FreqB[3..2], FreqC[3..2]) = data[7..6];
(FreqA[6..4], FreqB[6..4], FreqC[6..4]) = data[2..0]#data[3];
( ValA[3..0], ValB[3..0], ValC[3..0]) = data[3..0];
FreqA[3..2].ena = wr_data&(RegAddr[]==H"00");
FreqB[3..2].ena = wr_data&(RegAddr[]==H"02");
FreqC[3..2].ena = wr_data&(RegAddr[]==H"04");
FreqA[6..4].ena = wr_data&(RegAddr[]==H"01");
FreqB[6..4].ena = wr_data&(RegAddr[]==H"03");
FreqC[6..4].ena = wr_data&(RegAddr[]==H"05");
ValA[].ena = wr_data&(RegAddr[]==H"08");
ValB[].ena = wr_data&(RegAddr[]==H"09");
ValC[].ena = wr_data&(RegAddr[]==H"0A");
-- spec[0].cnt_en = !spec[0].cout&cnt_div.cout;
-- spec[1].cnt_en = !spec[1].cout&cnt_div.cout;
-- spec[2].cnt_en = !spec[2].cout&cnt_div.cout;
-- spec[3].cnt_en = !spec[3].cout&cnt_div.cout;
-- spec[4].cnt_en = !spec[4].cout&cnt_div.cout;
-- spec[5].cnt_en = !spec[5].cout&cnt_div.cout;
-- spec[6].cnt_en = !spec[6].cout&cnt_div.cout;
-- spec[7].cnt_en = !spec[7].cout&cnt_div.cout;
-- spec[8].cnt_en = !spec[8].cout&cnt_div.cout;
-- spec[6].cnt_en = !spec[6].cout&cnt_div.cout; -- (spec[6].q[]>0);
spec[0].cnt_en = (spec[0].q[]>0)&cnt_div.cout; -- (spec[7].q[]>0);
spec[1].cnt_en = (spec[1].q[]>0)&cnt_div.cout; -- (spec[7].q[]>0);
spec[2].cnt_en = (spec[2].q[]>0)&cnt_div.cout; -- (spec[7].q[]>0);
spec[3].cnt_en = (spec[3].q[]>0)&cnt_div.cout; -- (spec[7].q[]>0);
spec[4].cnt_en = (spec[4].q[]>0)&cnt_div.cout; -- (spec[7].q[]>0);
spec[5].cnt_en = (spec[5].q[]>0)&cnt_div.cout; -- (spec[7].q[]>0);
spec[6].cnt_en = (spec[6].q[]>0)&cnt_div.cout; -- (spec[7].q[]>0);
spec[7].cnt_en = (spec[7].q[]>0)&cnt_div.cout; -- (spec[7].q[]>0);
spec[8].cnt_en = (spec[8].q[]>0)&cnt_div.cout; -- (spec[8].q[]>0);
if wr_data then
if (RegAddr[]==H"00")#(RegAddr[]==H"01")#(RegAddr[]==H"08") then
Val_ch[] = ValA[];
spec[8].sload = (FreqA[6..2] <H"02");
spec[7].sload = (FreqA[6..2]>=H"02")&(FreqA[6..2] <H"03");
spec[6].sload = (FreqA[6..2]>=H"03")&(FreqA[6..2] <H"05");
spec[5].sload = (FreqA[6..2]>=H"05")&(FreqA[6..2] <H"07");
spec[4].sload = (FreqA[6..2]>=H"07")&(FreqA[6..2] <H"0A");
spec[3].sload = (FreqA[6..2]>=H"0A")&(FreqA[6..2] <H"0D");
spec[2].sload = (FreqA[6..2]>=H"0D")&(FreqA[6..2] <H"10");
spec[1].sload = (FreqA[6..2]>=H"10")&(FreqA[6..2] <H"17");
spec[0].sload = (FreqA[6..2]>=H"17");
end if;
if (RegAddr[]==H"02")#(RegAddr[]==H"03")#(RegAddr[]==H"09") then
Val_ch[] = ValB[];
spec[8].sload = (FreqB[6..2] <H"02");
spec[7].sload = (FreqB[6..2]>=H"02")&(FreqB[6..2] <H"03");
spec[6].sload = (FreqB[6..2]>=H"03")&(FreqB[6..2] <H"05");
spec[5].sload = (FreqB[6..2]>=H"05")&(FreqB[6..2] <H"07");
spec[4].sload = (FreqB[6..2]>=H"07")&(FreqB[6..2] <H"0A");
spec[3].sload = (FreqB[6..2]>=H"0A")&(FreqB[6..2] <H"0D");
spec[2].sload = (FreqB[6..2]>=H"0D")&(FreqB[6..2] <H"10");
spec[1].sload = (FreqB[6..2]>=H"10")&(FreqB[6..2] <H"17");
spec[0].sload = (FreqB[6..2]>=H"17");
end if;
if (RegAddr[]==H"04")#(RegAddr[]==H"05")#(RegAddr[]==H"0A") then
Val_ch[] = ValC[];
spec[8].sload = (FreqC[6..2] <H"02");
spec[7].sload = (FreqC[6..2]>=H"02")&(FreqC[6..2] <H"03");
spec[6].sload = (FreqC[6..2]>=H"03")&(FreqC[6..2] <H"05");
spec[5].sload = (FreqC[6..2]>=H"05")&(FreqC[6..2] <H"07");
spec[4].sload = (FreqC[6..2]>=H"07")&(FreqC[6..2] <H"0A");
spec[3].sload = (FreqC[6..2]>=H"0A")&(FreqC[6..2] <H"0D");
spec[2].sload = (FreqC[6..2]>=H"0D")&(FreqC[6..2] <H"10");
spec[1].sload = (FreqC[6..2]>=H"10")&(FreqC[6..2] <H"17");
spec[0].sload = (FreqC[6..2]>=H"17");
end if;
end if;
spec[0].data[] = Val_ch[];
spec[1].data[] = Val_ch[];
spec[2].data[] = Val_ch[];
spec[3].data[] = Val_ch[];
spec[4].data[] = Val_ch[];
spec[5].data[] = Val_ch[];
spec[6].data[] = Val_ch[];
spec[7].data[] = Val_ch[];
spec[8].data[] = Val_ch[];
if cnt_to_3[] == H"00" then
led_plus[0] = VCC; led_plus[1] = GND; led_plus[2] = GND;
led_plus[3] = VCC; led_plus[4] = GND; led_plus[5] = GND;
led_plus[6] = VCC; led_plus[7] = GND; led_plus[8] = GND;
led_minus[0][0] = !(spec[0].q[]> 0);
led_minus[0][1] = !(spec[0].q[]> 2);
led_minus[0][2] = !(spec[0].q[]> 4);
led_minus[0][3] = !(spec[0].q[]> 5);
led_minus[0][4] = !(spec[0].q[]> 6);
led_minus[0][5] = !(spec[0].q[]> 7);
led_minus[0][6] = !(spec[0].q[]> 8);
led_minus[0][7] = !(spec[0].q[]> 9);
led_minus[0][8] = !(spec[0].q[]>10);
led_minus[0][9] = !(spec[0].q[]>11);
led_minus[1][0] = !(spec[3].q[]> 0);
led_minus[1][1] = !(spec[3].q[]> 2);
led_minus[1][2] = !(spec[3].q[]> 4);
led_minus[1][3] = !(spec[3].q[]> 5);
led_minus[1][4] = !(spec[3].q[]> 6);
led_minus[1][5] = !(spec[3].q[]> 7);
led_minus[1][6] = !(spec[3].q[]> 8);
led_minus[1][7] = !(spec[3].q[]> 9);
led_minus[1][8] = !(spec[3].q[]>10);
led_minus[1][9] = !(spec[3].q[]>11);
led_minus[2][0] = !(spec[6].q[]> 0);
led_minus[2][1] = !(spec[6].q[]> 2);
led_minus[2][2] = !(spec[6].q[]> 4);
led_minus[2][3] = !(spec[6].q[]> 5);
led_minus[2][4] = !(spec[6].q[]> 6);
led_minus[2][5] = !(spec[6].q[]> 7);
led_minus[2][6] = !(spec[6].q[]> 8);
led_minus[2][7] = !(spec[6].q[]> 9);
led_minus[2][8] = !(spec[6].q[]>10);
led_minus[2][9] = !(spec[6].q[]>11);
end if;
if cnt_to_3[] == H"01" then
led_plus[1] = VCC; led_plus[0] = GND; led_plus[2] = GND;
led_plus[4] = VCC; led_plus[3] = GND; led_plus[5] = GND;
led_plus[7] = VCC; led_plus[6] = GND; led_plus[8] = GND;
led_minus[0][0] = !(spec[1].q[]> 0);
led_minus[0][1] = !(spec[1].q[]> 2);
led_minus[0][2] = !(spec[1].q[]> 4);
led_minus[0][3] = !(spec[1].q[]> 5);
led_minus[0][4] = !(spec[1].q[]> 6);
led_minus[0][5] = !(spec[1].q[]> 7);
led_minus[0][6] = !(spec[1].q[]> 8);
led_minus[0][7] = !(spec[1].q[]> 9);
led_minus[0][8] = !(spec[1].q[]>10);
led_minus[0][9] = !(spec[1].q[]>11);
led_minus[1][0] = !(spec[4].q[]> 0);
led_minus[1][1] = !(spec[4].q[]> 2);
led_minus[1][2] = !(spec[4].q[]> 4);
led_minus[1][3] = !(spec[4].q[]> 5);
led_minus[1][4] = !(spec[4].q[]> 6);
led_minus[1][5] = !(spec[4].q[]> 7);
led_minus[1][6] = !(spec[4].q[]> 8);
led_minus[1][7] = !(spec[4].q[]> 9);
led_minus[1][8] = !(spec[4].q[]>10);
led_minus[1][9] = !(spec[4].q[]>11);
led_minus[2][0] = !(spec[7].q[]> 0);
led_minus[2][1] = !(spec[7].q[]> 2);
led_minus[2][2] = !(spec[7].q[]> 4);
led_minus[2][3] = !(spec[7].q[]> 5);
led_minus[2][4] = !(spec[7].q[]> 6);
led_minus[2][5] = !(spec[7].q[]> 7);
led_minus[2][6] = !(spec[7].q[]> 8);
led_minus[2][7] = !(spec[7].q[]> 9);
led_minus[2][8] = !(spec[7].q[]>10);
led_minus[2][9] = !(spec[7].q[]>11);
end if;
if cnt_to_3[] == H"02" then
led_plus[2] = VCC; led_plus[0] = GND; led_plus[1] = GND;
led_plus[5] = VCC; led_plus[3] = GND; led_plus[4] = GND;
led_plus[8] = VCC; led_plus[6] = GND; led_plus[7] = GND;
led_minus[0][0] = !(spec[2].q[]> 0);
led_minus[0][1] = !(spec[2].q[]> 2);
led_minus[0][2] = !(spec[2].q[]> 4);
led_minus[0][3] = !(spec[2].q[]> 5);
led_minus[0][4] = !(spec[2].q[]> 6);
led_minus[0][5] = !(spec[2].q[]> 7);
led_minus[0][6] = !(spec[2].q[]> 8);
led_minus[0][7] = !(spec[2].q[]> 9);
led_minus[0][8] = !(spec[2].q[]>10);
led_minus[0][9] = !(spec[2].q[]>11);
led_minus[1][0] = !(spec[5].q[]> 0);
led_minus[1][1] = !(spec[5].q[]> 2);
led_minus[1][2] = !(spec[5].q[]> 4);
led_minus[1][3] = !(spec[5].q[]> 5);
led_minus[1][4] = !(spec[5].q[]> 6);
led_minus[1][5] = !(spec[5].q[]> 7);
led_minus[1][6] = !(spec[5].q[]> 8);
led_minus[1][7] = !(spec[5].q[]> 9);
led_minus[1][8] = !(spec[5].q[]>10);
led_minus[1][9] = !(spec[5].q[]>11);
led_minus[2][0] = !(spec[8].q[]> 0);
led_minus[2][1] = !(spec[8].q[]> 2);
led_minus[2][2] = !(spec[8].q[]> 4);
led_minus[2][3] = !(spec[8].q[]> 5);
led_minus[2][4] = !(spec[8].q[]> 6);
led_minus[2][5] = !(spec[8].q[]> 7);
led_minus[2][6] = !(spec[8].q[]> 8);
led_minus[2][7] = !(spec[8].q[]> 9);
led_minus[2][8] = !(spec[8].q[]>10);
led_minus[2][9] = !(spec[8].q[]>11);
end if;
if cnt_to_3[] == H"03" then
led_plus[2] = GND; led_plus[0] = GND; led_plus[1] = GND;
led_plus[5] = GND; led_plus[3] = GND; led_plus[4] = GND;
led_plus[8] = GND; led_plus[6] = GND; led_plus[7] = GND;
led_minus[][] = GND;
end if;
End;
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