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Started working adding uPD7801

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mooz 2018-11-04 22:52:47 +01:00
parent 662ef74b53
commit e88b89cd01
1 changed files with 304 additions and 0 deletions
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uPD7801.lua Normal file
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M = require "asm"
local cycles_def,xcross_def
local opimp={
block=M.op(0x31,13),
calb=M.op(0x63,13),
daa=M.op(0x61,4),
exa=M.op(0x10,4),
exx=M.op(0x11,4),
halt=M.op(0x01,6),
jb=M.op(0x73,4),
nop=M.op(0x00,4),
ret=M.op(0x08,11),
reti=M.op(0x62,15),
rets=M.op(0x18,11),
sio=M.op(0x09,4),
softi=M.op(0x72,19),
stm=M.op(0x19,4),
table=M.op(0x21,19)
} M.opimp = opimp
for k,v in pairs(opimp) do
M[k] = function()
table.insert(M.section_current.instructions, { size=1, cycles=v.cycles, bin=v.opc })
end
end
local opa={
dcr=M.op(0x51,4),
inr=M.op(0x41,4)
} M.opa = opa
for k,v in pairs(opa) do
M[k .. 'a'] = function()
table.insert(M.section_current.instructions, { size=1, cycles=v.cycles, bin=v.opc })
end
end
local opb={
dcr=M.op(0x52,4),
inr=M.op(0x42,4)
} M.opb = opb
for k,v in pairs(opb) do
M[k .. 'b'] = function()
table.insert(M.section_current.instructions, { size=1, cycles=v.cycles, bin=v.opc })
end
end
local opc={
dcr=M.op(0x53,4),
inr=M.op(0x43,4),
} M.opc = opc
for k,v in pairs(opc) do
M[k .. 'c'] = function()
table.insert(M.section_current.instructions, { size=1, cycles=v.cycles, bin=v.opc })
end
end
local opd={
ldaxm=M.op(0x2e,7),
ldaxp=M.op(0x2c 7),
staxm=M.op(0x3e,7),
staxp=M.op(0x3c,7),
} M.opd = opd
for k,v in pairs(opd) do
M[k .. 'd'] = function()
table.insert(M.section_current.instructions, { size=1, cycles=v.cycles, bin=v.opc })
end
end
local oph={
ldaxm=M.op(0x2f,7),
ldaxp=M.op(0x2d,7),
staxm=M.op(0x3f,7),
staxp=M.op(0x3d,7)
} M.oph = oph
for k,v in pairs(oph) do
M[k .. 'h'] = function()
table.insert(M.section_current.instructions, { size=1, cycles=v.cycles, bin=v.opc })
end
end
local opind={
dcxbc=M.op(0x13,7),
dcxde=M.op(0x23,7),
dcxhl=M.op(0x33,7),
inxbc=M.op(0x12,7),
inxde=M.op(0x22,7),
inxhl=M.op(0x32,7),
ldaxbc=M.op(0x29,7),
ldaxde=M.op(0x2a,7),
ldaxhl=M.op(0x2b,7),
staxbc=M.op(0x39,7),
staxde=M.op(0x3a,7),
staxhl=M.op(0x3b,7),
} M.oprwind = oprwind
for k,v in pairs(oprwind) do
M[k .. 'ind'] = function()
table.insert(M.section_current.instructions, { size=1, cycles=v.cycles, bin=v.opc })
end
end
local opindxx ={
mvixbc=M.op(0x49,10),
mvixde=M.op(0x4a,10),
mvixhl=M.op(0x4b,10)
} M.opindxx = opindxx
for k,v in pairs(opindxx) do
M[k .. 'indxx'] = function(late, early)
local l65dbg = { info=debug.getinfo(2, 'Sl'), trace=debug.traceback(nil, 1) }
local size = function() late,early = M.size_op(late,early) return 2 end
local bin = function() local l65dbg=l65dbg return { v.opc, M.op_eval_byte(late,early) } end
table.insert(M.section_current.instructions, { size=size, cycles=v.cycles, bin=bin })
end
end
local opsp={
dcx=M.op(0x03,7),
inx=M.op(0x02,7)
} M.opsp = opsp
for k,v in pairs(opsp) do
M[k .. 'sp'] = function()
table.insert(M.section_current.instructions, { size=1, cycles=v.cycles, bin=v.opc })
end
end
local oprr={
movab=M.op(0x0a,4), movac=M.op(0x0b,4),
movad=M.op(0x0c,4), movae=M.op(0x0d,4),
movah=M.op(0x0e,4), moval=M.op(0x0f,4),
movba=M.op(0x1a,4), movca=M.op(0x1b,4),
movda=M.op(0x1c,4), movea=M.op(0x1d,4),
movha=M.op(0x1e,4), movla=M.op(0x1f,4),
} M.oprr = oprr
for k,v in pairs(oprr) do
M[k] = function()
table.insert(M.section_current.instructions, { size=1, cycles=v.cycles, bin=v.opc })
end
end
local oprxx ={
mvib=M.op(0x6a,7),
mvic=M.op(0x6b,7),
mvid=M.op(0x6c,7),
mvie=M.op(0x6d,7),
mvih=M.op(0x6e,7),
mvil=M.op(0x6f,7),
mviv=M.op(0x68,7)
} M.oprxx = oprxx
for k,v in pairs(oprxx) do
M[k .. 'xx'] = function(late, early)
local l65dbg = { info=debug.getinfo(2, 'Sl'), trace=debug.traceback(nil, 1) }
local size = function() late,early = M.size_op(late,early) return 2 end
local bin = function() local l65dbg=l65dbg return { v.opc, M.op_eval_byte(late,early) } end
table.insert(M.section_current.instructions, { size=size, cycles=v.cycles, bin=bin })
end
end
local opaxx={
aci=M.op(0x56,7),
adi=M.op(0x46,7),
adinc=M.op(0x26,7),
ani=M.op(0x07,7),
eqi=M.op(0x77,7),
gti=M.op(0x27,7),
lti=M.op(0x37,7),
mvi=M.op(0x69,7),
nei=M.op(0x69,7),
offi=M.op(0x57,7),
oni=M.op(0x47,7),
ori=M.op(0x17,7),
sbi=M.op(0x76,7),
sui=M.op(0x61,7),
suinb=M.op(0x36,7),
xri=M.op(0x16,7)
} M.opaxx = opaxx
for k,v in pairs(opaxx) do
M[k .. 'axx'] = function(late, early)
local l65dbg = { info=debug.getinfo(2, 'Sl'), trace=debug.traceback(nil, 1) }
local size = function() late,early = M.size_op(late,early) return 2 end
local bin = function() local l65dbg=l65dbg return { v.opc, M.op_eval_byte(late,early) } end
table.insert(M.section_current.instructions, { size=size, cycles=v.cycles, bin=bin })
end
end
local opvind ={
inrw=M.op(0x20,13),
ldaw=M.op(0x28,10),
dcrw=M.op(0x30,13),
staw=M.op(0x38,10),
bit0=M.op(0x58,10),
bit1=M.op(0x59,10),
bit2=M.op(0x5a,10),
bit3=M.op(0x5b,10),
bit4=M.op(0x5c,10),
bit5=M.op(0x5d,10),
bit6=M.op(0x5e,10),
bit7=M.op(0x5f,10)
} M.opvind = opvind
for k,v in pairs(opvind) do
M[k .. 'vind'] = function(late, early)
local l65dbg = { info=debug.getinfo(2, 'Sl'), trace=debug.traceback(nil, 1) }
local size = function() late,early = M.size_op(late,early) return 2 end
local bin = function() local l65dbg=l65dbg return { v.opc, M.op_eval_byte(late,early) } end
table.insert(M.section_current.instructions, { size=size, cycles=v.cycles, bin=bin })
end
end
--[[ [todo]
local opvindxx ={
aniw=M.op(0x05,16),
oriw=M.op(0x15,16),
gtiw=M.op(0x25,13),
ltiw=M.op(0x35,13),
oniw=M.op(0x45,13),
offiw=M.op(0x55,13),
neiw=M.op(0x65,13),
mviw=M.op(0x71,13),
eqiw=M.op(0x75,13)
} M.opvindxx = opvindxx
for k,v in pairs(opvindxx) do
M[k .. 'vindxx'] = function(late0, early0, late1, early1)
local l65dbg = { info=debug.getinfo(2, 'Sl'), trace=debug.traceback(nil, 1) }
local size = function()
late0,early0 = M.size_op(late,early)
late1,early1 = M.size_op(late,early)
return 3
end
local bin = function()
local l65dbg=l65dbg
local offset = M.op_eval_byte(late0,early0)
local x = M.op_eval_byte(late1,early1)
return { v.opc, offset, x }
end
table.insert(M.section_current.instructions, { size=size, cycles=v.cycles, bin=bin })
end
end
]]--
local opwwww = {
call=M.op(0x44,16),
jmp=M.op(0x54,10),
lxisp=M.op(0x04,10),
lxibc=M.op(0x14,10),
lxide=M.op(0x24,10),
lxihl=M.op(0x34,10)
} M.opwwww = opwwww
for k,v in pairs(opwwww) do
M[k .. 'wwww'] = function(late, early)
local l65dbg = { info=debug.getinfo(2, 'Sl'), trace=debug.traceback(nil, 1) }
local size = function() late,early = M.size_op(late,early) return 3 end
local bin = function() local l65dbg=l65dbg
local x = M.op_eval_word(late,early)
return { v.opc, x&0xff, x>>8 }
end
table.insert(M.section_current.instructions, { size=size, cycles=v.cycles, bin=bin })
end
end
for i=0x80,0xbf,1 do
M['calt' .. i]=M.op(i,cycles)
table.insert(M.section_current.instructions, { size=1, cycles=19, bin=i})
end
M['jr'] = function(label)
local l65dbg = { info=debug.getinfo(2, 'Sl'), trace=debug.traceback(nil, 1) }
local parent,offset = M.label_current
local section,rorg = M.section_current,M.location_current.rorg
local op = { cycles=13, size=1 }
op.bin = function() local l65dbg=l65dbg
local x,l = label,label
if type(x) == 'function' then x=x() end
if type(x) == 'string' then
if x:sub(1,1) == '_' then x=parent..x l=x end
x = symbols[x]
end
if type(x) ~= 'number' then error("unresolved branch target: " .. tostring(x)) end
x = x - offset - rorg(section.org)
if x < -32 or x > 0x32 then error("branch target out of range for " .. l .. ": " .. x) end
elseif x >= 0 then
return 0xc0 + x
else
return x
end
end
table.insert(M.section_current.instructions, op)
end
return M
--[[ [todo]
8 bits instructions:
JRE+ 0x4e xx 17
JRE- 0x4f xx 17
CALF 0x78-0x75 xx 16
16 bits instructions:
0x48xx
0x4cxx
0x4dxx
0x60xx
0x64xx
0x70xx
0x74xx
]]--