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2019-12-13Added support for specifying the number of bytes asmrb0nk500
the suffix. I added this because BieHDC said the already existing notation glowed in the dark too much.
2019-12-11We can print to the Screen!!!!mrb0nk500
I also added the ASR instruction, for doing arithmetic shifts, and have added a hello world program.
2019-12-08Added support for resolving fixup labels.mrb0nk500
AKA, referencing a label before it has been declared yet.
2019-12-07Added support for labels to the assembly languagemrb0nk500
monitor. I also rewrote the fibonacci program to include lables.
2019-12-07Added six instructions for transfering datamrb0nk500
between the three main registers. These instructions are: TAY: Transfer Accumulator to Y. TAX: Transfer Accumulator to X. TYX: Transfer Y to X. TYA: Transfer Y to Accumulator. TXA: Transfer X to Accumulator. TXY: Transfer X to Y.
2019-12-06Delete opcode.c, since I added all the functionsmrb0nk500
from it into sux.c.
2019-12-06Finally got multithreading support working!!mrb0nk500
I have also added a program that computes the Fibonacci sequence that I wrote in Sux assembly.
2019-12-03Start optimizing the emulator.mrb0nk500
2019-12-02Added the ability to disable the prefix byte.mrb0nk500
Any instructions that either have a register size of 8 bits, use implied addressing, or branch can save a byte by disabling the prefix byte. It does this by checking if the first three bits are all set to 1. If true, then it will treat it as a prefix byte, otherwise, it will treat it as an opcode.
2019-11-30Start work on rev2 of Sux.mrb0nk500
Added a prefix byte to tell the CPU certain information such as, how many bytes to load into the registers, or what ISA extension we want to use. I also added an assembly language monitor, so that I don't have to write stuff in machine code.