added vt52.lua, a better terminal emulator

This commit is contained in:
Izaya 2017-08-03 11:44:20 +10:00
parent 31e5c5a54b
commit 08a94c879b
3 changed files with 77 additions and 1 deletions

View File

@ -4,7 +4,7 @@ modules/base/component.lua
modules/lib/fs.lua
modules/lib/buffer.lua
modules/lib/io.lua
modules/drivers/tty.lua
modules/drivers/vt52.lua
modules/lib/print.lua
modules/drivers/kbd.lua
modules/drivers/net.lua

View File

@ -6,6 +6,7 @@ function tty(gA,sA,sI,fg,bg) -- gpuAddress,screenAddress,sessionID,foreground,ba
gP.setForeground(fg)
gP.setBackground(bg)
gP.fill(1,1,sx,sy," ")
gP.setDepth(gp.maxDepth())
local function cv() -- check cursor position
if cx > sx then cx,cy=1,cy+1 end
if cx < 1 then cx,cy=sx,cy-1 end

75
modules/drivers/vt52.lua Normal file
View File

@ -0,0 +1,75 @@
function tty(gA,sA,sI,fg,bg)
local gP,cx,cy,bg,fg = component.proxy(gA),1,1,bg or 0x000000, fg or 0xffffff
gP.bind(sA)
local sx, sy = gP.getResolution()
gP.setResolution(sx,sy)
gP.setForeground(fg)
gP.setBackground(bg)
gP.fill(1,1,sx,sy," ")
gP.setDepth(gP.maxDepth())
local function cv()
if cx > sx then cx,cy=1,cy+1 end
if cx < 1 then cx,cy=sx,cy-1 end
if cy < 1 then cx,cy=1,1 end
if cy > sy then gP.copy(1,2,sx,sy-1,0,-1) gP.fill(1,sy,sx,1," ") cx,cy=1,sy end
end
local function ic(s)
local cc,fg,bg=gP.get(cx,cy)
if s then fG,bG = bg,fg else fG,bG = fg,bg end
gP.setForeground(bG)
gP.setBackground(fG)
gP.set(cx,cy,cc)
gP.setForeground(fG)
gP.setBackground(bG)
end
local function wl(str)
local cm = 0
for c in str:gmatch(".") do
if cm == 1 then
cm = 0
ic(true)
if c == "A" then cy=cy-1
elseif c == "B" then cy=cy+1
elseif c == "C" then cx=cx+1
elseif c == "D" then cx=cx-1
elseif c == "H" then cx,cy=1,1
elseif c == "Y" then cm=2
elseif c == "b" then cm=4
elseif c == "c" then cm=5
end
elseif cm == 2 then
cx,cm=string.byte(c)-31,3
elseif cm == 3 then
cy,cm=string.byte(c)-31,0
elseif cm == 4 then
fg,cm = string.byte(c),0
gP.setForeground(fg,true)
elseif cm == 5 then
bg,cm = string.byte(c),0
gP.setBackground(bg,true)
else
if c == "\n" then cx,cy=1,cy+1
elseif c == "\27" then cm=1
elseif c == "\r" then cx=1
elseif c == "\f" then cx=1 cy=1 gP.fill(1, 1, sx, sy, " ")
elseif c == "\t" then cx=(cx+4-((cx+4)%4))+1
elseif c == "\127" then cx=cx-1 gP.set(cx,cy," ")
else gP.set(cx,cy,c) cx=cx+1
end
end cv()
end
end
spawn("tty["..tostring(sI).."]: "..gA:sub(1,8)..","..sA:sub(1,8),function() log(pcall(function()
while true do
local csi = os.getenv("sI")
log(csi)
while true do
_,si,str=event.pull("display")
if si == csi then
wl(str)
ic()
end
end
end
end)) end)
end