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- Fixed some bugs in the emulator's assembler.
- Worked on SuBAsm's lexer some more.
- Created a new directory for the SuB suite, and moved
all of the SuB suite's files in there.
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- Fix some bugs with strings.
- Started to refactor the instruction functions.
- Added support for using RS prefixes on the memory
based increment, and decrement instructions.
- Started work on SuBAsm's lexer.
Have fun looking at this, BieHDC. :)
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- Refactored the symbol, and fixup table to now use a
linked list
- Added support for local symbols to the assembler.
- Rewrote SuBEditor, and SuBAsm to use local symbols.
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The reason for doing this was because JSL, and RTL are
redundent, as they both do the same thing as JSR, and
RTS.
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support for comma separated values.
The assembler now uses a linked list of tokenized
lines, each containing a linked list of tokens for
that line.
I also moved all of the large tables into the higher
parts of memory, in order to free up the lower part of
memory for the user.
Comma sepparated values only work with directives, and
only with the byte", word, dword, and qword directives.
I also added support for getting the upper, and lower
halves of an address. The tokens for both of those are
'<', and '>' respectively.
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- Moved the large enums, and large tables into separate
header files.
- Added enums for implementing the base extension
- Fixed a bug in the assembler.
- Worked more on SuBAsm.
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assembler.
Single quote marks works in the assembler just like
they do in C, except that it only supports a handful
of escaped characters, like '\n', and '\r'.
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emulator's assembler.
And removed three pointers, and the linewrap table
from zero page, in SuBEditor.
I moved the linewrap table to address $1000.
And because of finally adding include support to the
assembler, I can now start work on SuBAsm!
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emulator some more.
I optimized the emulator by replacing the main loop
from a conditional while loop, to an unconditional for
loop.
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emulator smaller, and faster.
I am also starting to make SuBEditor's source code
more readable.
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It now has a lexer/tokenizer, along with a parser.
I have also made the emulator even smaller.
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inserting characters without replacing the old ones.
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efficient, and ported SuBEditor to C.
I revamped the opcode table to add another prefix bit
for the addressing mode, finally giving access to all
addresses, without wasting any bytes.
I made the stack based operations more efficient, by
sort of applying Duff's device to it.
And I ported SuBEditor to C, to make it easier for me
to figure out how to implement SuBAsm.
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Which I am now calling, SuBEditor.
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