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add mux, demux, rom

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Redo
2022-11-14 13:43:24 -06:00
parent 8ccf6db9b8
commit ff20fdb2d6
6 changed files with 17578 additions and 8367 deletions
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18
sim/gencfuncs.lua
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@@ -66,15 +66,33 @@ local function exportGates(gates)
))
end
local function log2(n) return math.log(n)/math.log(2) end
local function createEnabler(n) return { name = "Enabler"..n, names = {"Enabler " ..n.." Bit", "Enabler " ..n.." Bit Up", "Enabler " ..n.." Bit Down"}, func = "if(getport("..(n*2+1)..")) { copyword("..n..", 1, "..(n+1).."); } else { clearword("..n..", "..(n+1).."); }" } end
local function createBuffer (n) return { name = "Buffer" ..n, names = {"Buffer " ..n.." Bit", "Buffer " ..n.." Bit Up", "Buffer " ..n.." Bit Down"}, func = "if(getport("..(n*2+1)..")) { copyword("..n..", 1, "..(n+1).."); } else { clearword("..n..", "..(n+1).."); }" } end
local function createDFF (n) return { name = "DFF" ..n, names = {"D FlipFlop " ..n.." Bit", "D FlipFlop " ..n.." Bit Up", "D FlipFlop " ..n.." Bit Down"}, func = "if(getport("..(n*2+1)..")) { copyword("..n..", 1, "..(n+1).."); }" } end
local function createMux(n) return { name = "Mux"..n, names = {"Mux "..n.." Bit", "Mux "..n.." Bit Vertical"}, func = "if(getport("..(n+math.pow(2,n)+1)..")) { setport("..(n+math.pow(2,n)+2)..", getport(getword("..n..", 1)+"..(n+1)..")); } else { setport("..(n+math.pow(2,n)+2)..", 0); }"} end
local function createDemux(n) return { name = "Demux"..n, names = {"Demux "..n.." Bit", "Demux "..n.." Bit Vertical"}, size = 1, func = "int pa = getdata(0); if(getport("..(n+math.pow(2,n)+1)..")) { int a = getword("..n..", 1) + "..(n+1).."; if(pa != a) { if(pa) { setport(pa, 0); } setport(a, 1); setdata(0, a); } } else { if(pa) { setport(pa, 0); setdata(0, 0); } }"} end
local function createRom(x, y, z) local w = log2(x*y); return {name = "Rom"..w.."x"..z, names = {"ROM "..x.."x"..y.."x"..z}, size = x*y*z, func="if(getport("..(w+z+1)..")) { int a = getword("..w..", 1); for(int i=0; i<"..z.."; i++) { setport("..(w+1).."+i, getdata(a + i*"..(x*y)..")); } } else { clearword("..z..", "..(w+1).."); }" } end
local romsizes = { -- copied from brick gen
-- 1 bit data 4 bit data 8 bit data 16 bit data 32 bit data 48 bit data 64 bit data
{ 4, 4 }, { 4, 4, 4}, { 8, 2, 8}, -- 4 bit addr
{ 8, 8 }, { 8, 8, 4}, { 8, 8, 8}, {16, 4, 16}, {32, 2, 32}, {64, 1, 48}, {64, 1, 64}, -- 6 bit addr
{16, 16 }, {16, 16, 4}, {16, 16, 8}, {16, 16, 16}, {32, 8, 32}, {64, 4, 48}, {64, 4, 64}, -- 8 bit addr
{32, 16 }, {32, 16, 4}, {32, 16, 8}, {32, 16, 16}, {32, 16, 32}, {64, 8, 48}, {64, 8, 64}, -- 9 bit addr
{32, 32, 8}, {32, 32, 16}, {32, 32, 32}, {64, 16, 48}, {64, 16, 64}, -- 10 bit addr
{64, 32, 8}, {64, 32, 16}, {64, 32, 32}, {64, 32, 48}, {64, 32, 64}, -- 11 bit addr
{64, 64, 8}, {64, 64, 16}, {64, 64, 32}, {64, 64, 48}, {64, 64, 64}, -- 12 bit addr
}
local gates = {
{ name = "Diode", names = {"Diode", "Diode Up", "Diode Down"}, func = "setport(2, getport(1));" },
{ name = "Not" , names = {"Not" , "Not Up" , "Not Down" }, func = "setport(2, !getport(1));" },
createEnabler(1), createEnabler(2), createEnabler(3), createEnabler(4), createEnabler(5), createEnabler(6), createEnabler(7), createEnabler(8), createEnabler(9), createEnabler(10), createEnabler(11), createEnabler(12), createEnabler(13), createEnabler(14), createEnabler(15), createEnabler(16), createEnabler(24), createEnabler(32), createEnabler(48), createEnabler(64),
createBuffer (1), createBuffer (2), createBuffer (3), createBuffer (4), createBuffer (5), createBuffer (6), createBuffer (7), createBuffer (8), createBuffer (9), createBuffer (10), createBuffer (11), createBuffer (12), createBuffer (13), createBuffer (14), createBuffer (15), createBuffer (16), createBuffer (24), createBuffer (32), createBuffer (48), createBuffer (64),
createDFF (1), createDFF (2), createDFF (3), createDFF (4), createDFF (5), createDFF (6), createDFF (7), createDFF (8), createDFF (9), createDFF (10), createDFF (11), createDFF (12), createDFF (13), createDFF (14), createDFF (15), createDFF (16), createDFF (24), createDFF (32), createDFF (48), createDFF (64),
createMux (1), createMux (2), createMux (3), createMux (4), createMux (5), createMux (6), createMux (7), createMux (8),
createDemux(1), createDemux(2), createDemux(3), createDemux(4), createDemux(5), createDemux(6), createDemux(7), createDemux(8),
}
for i, size in ipairs(romsizes) do table.insert(gates, createRom(size[1], size[2], size[3] or 1)) end
exportGates(gates)