25 Commits

Author	SHA1	Message	Date
Chris Pressey	5f8802b305	Arrange license info in repo to follow REUSE 3.0 convention.	2024-02-02 12:10:23 +00:00
Chris Pressey	24f093b1db	Make all serialize() methods take addr() as an arg, not kwarg.	2018-09-06 18:11:47 +01:00
Chris Pressey	4bba75857f	--output cmdline argument, serialize() returns an array of bytes.	2018-09-06 16:18:41 +01:00
Chris Pressey	07541d7913	Compile code for saving a, x, or y on the stack.	2018-04-25 13:15:53 +01:00
Chris Pressey	bc91ef1602	Compile byte-table add, sub, cmp, and, or, xor, shl, shr, inc, dec.	2018-04-18 16:32:12 +01:00
Chris Pressey	70247e0e44	Generate zero-page code for and, or, and xor, when possible.	2018-04-17 17:58:26 +01:00
Chris Pressey	fa1b0cfae1	Support branching and looping on the n flag.	2018-03-29 14:45:28 +01:00
Chris Pressey	1f992f8dbd	Support of NOP opcode.	2018-03-28 14:52:16 +01:00
Chris Pressey	19a196f765	Compile copy[]+y.	2017-11-24 16:56:55 +00:00
Chris Pressey	e41dd1aa01	Attempt to add Zero Page addressing; the emitter may need rethink.	2017-11-24 13:09:10 +00:00
Chris Pressey	c91574186b	First pass of buffer, pointer, copy b, [p] + y, indirect indexed.	2017-11-24 12:35:36 +00:00
Chris Pressey	0d3ac8c247	{Low,High}AddressByte emittables to fix copy, make indirect call!	2015-10-22 16:20:10 +01:00
Chris Pressey	2dc4dd988e	Parse indirect calls, but break evaluator.	2015-10-20 09:33:30 +01:00
Chris Pressey	04de73d04d	Solve this by defining an Offset emittable.	2015-10-19 08:55:47 +01:00
Chris Pressey	645079f03a	Implement 'with interrupts off'.	2015-10-18 23:15:40 +01:00
Chris Pressey	f4186c5f22	AbsoluteX, AbsoluteY addressing modes in 6502-code generator.	2015-10-18 17:47:45 +01:00
Chris Pressey	c5998ed240	Compile repeat loops.	2015-10-18 13:55:40 +01:00
Chris Pressey	b794d8d273	Get serialization of relative labels correct.	2015-10-17 18:11:23 +01:00
Chris Pressey	a5c3b4725d	Pass address when serializing. Still wrong, of course.	2015-10-17 16:51:35 +01:00
Chris Pressey	b6bb64528f	Implement compiling if, but we need relative addressing first.	2015-10-17 16:34:02 +01:00
Chris Pressey	479b484313	Compile the rest of the instructions.	2015-10-17 16:17:35 +01:00
Chris Pressey	643a48a2c5	Compiler object, labels, compile 'call'... It prints 'A'!	2015-10-17 15:06:50 +01:00
Chris Pressey	5b429adfd9	6502 opcodes are Emittables. Can compile simple programs now!	2015-10-17 11:08:25 +01:00
Chris Pressey	c0243ee6ba	Wire up the compiler and wring out obvious bugs.	2015-10-17 10:17:44 +01:00
Chris Pressey	bb7fbcda6c	Add Emitter framework, and 6502 Generator (will likely change.)	2015-10-16 22:59:35 +01:00