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--[[
Lua function providing "inc_text" feature
for SjASMPlus (https://github.com/z00m128/sjasmplus)
Author: Reobne (Кузьма Е.) at https://zx-pk.ru forum
(slightly modified by Ped7g)
Opens text file, parses it per line, emits text as bytes by default,
but any line starting with *asm_marker* is assembled (you can define
label or code with such line, code must be lead with whitespace).
Call it in every pass of assembling in the ASM file!
Parameters:
1 file_name: name of file to open
2 asm_marker: beginning-of-line marker of ASM line (default ">>")
3 eol_byte: byte value to emit instead of newline (default 13)
]]
function inc_text(file_name, asm_marker, eol_byte)
asm_marker = asm_marker or ">>"
eol_byte = eol_byte or 13
if not sj.file_exists(file_name) then
sj.error("lua [inc_text]: file not found", file_name, 3)
return
end
marker_len = string.len(asm_marker)
_pl(";; inc_text ;; file \"" .. file_name .. "\", asm_marker \"" .. asm_marker ..
"\", eol_byte " .. eol_byte)
for line in io.lines(file_name) do
if string.sub(line, 1, marker_len) == asm_marker then
_pl(string.sub(line, marker_len + 1)) -- parse as assembly source line
else
for i = 1, string.len(line) do
sj.add_byte( string.byte(line, i) )
end
sj.add_byte(eol_byte)
end
end
_pl(";; inc_text ;; end of file \"" .. file_name .. "\"")
end
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