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Optimized a bit linking strategy.

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g012 2017-09-20 11:09:51 +02:00
parent 86d46f101e
commit 59a2a614ba
1 changed files with 12 additions and 3 deletions
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15
6502.lua
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@ -62,7 +62,7 @@ M.link = function()
end end end end
-- position independent sections -- position independent sections
table.sort(position_independent_sections, function(a,b) return a.size < b.size end) table.sort(position_independent_sections, function(a,b) return a.size==b.size and a.label>b.label or a.size>b.size end)
for _,section in ipairs(position_independent_sections) do for _,section in ipairs(position_independent_sections) do
local chunks = {} local chunks = {}
for _,chunk in ipairs(location.chunks) do for _,chunk in ipairs(location.chunks) do
@ -87,8 +87,13 @@ M.link = function()
if constraint.type == 'samepage' then goto constraints_not_met end if constraint.type == 'samepage' then goto constraints_not_met end
end end
end end
local w = math.min(address - chunk.start, chunk.size - (address - chunk.start)) local w = math.min(address - chunk.start, chunk.size - (address+section.size - chunk.start))
if w < waste then waste=w position=address end if w < waste then waste=w position=address
elseif w==waste then
-- if waste is the same, keep the one that leaves most aligned addresses for other sections
-- TODO
if position and address>position then waste=w position=address end
end
::constraints_not_met:: ::constraints_not_met::
end end
end end
@ -197,6 +202,10 @@ M.writesym = function(filename)
f:close() f:close()
end end
M.getstats = function()
return 'TODO' -- TODO
end
M.location = function(start, finish) M.location = function(start, finish)
if type(start) == 'table' then if type(start) == 'table' then
for _,v in ipairs(locations) do if v == start then for _,v in ipairs(locations) do if v == start then