Commit e2daa33dc5161869a727cfd5b59793446f597926 - SixtyPical

Compile copy byte to byte and word to word. Chris Pressey 9 years ago

4 changed file(s) with 46 addition(s) and 4 deletion(s). Raw diff Collapse all Expand all

-0

HISTORY.markdown less more

4	4	-------
5	5
6	6	* User-defined `byte` locations can be given an initial value.
	7	* `word` type locations which can be defined and `copy`ed between.
	8	* Can `copy` directly from one user-defined `byte` location to another.
7	9
8	10	0.6
9	11	---

-1

README.markdown less more

43	43
44	44	For 0.7:
45	45
46		* `word` type.
	46	* `low` and `high` address operators (turn `word` type into `byte`.)
47	47	* `word table` type.
48	48
49	49	For 0.8:

+14

-2

src/sixtypical/compiler.py less more

2	2	from sixtypical.ast import Program, Routine, Block, Instr
3	3	from sixtypical.model import (
4	4	ConstantRef,
5		TYPE_BIT,
	5	TYPE_BIT, TYPE_BYTE, TYPE_WORD,
6	6	RoutineType, VectorType,
7	7	REG_A, REG_X, REG_Y, FLAG_C
8	8	)

274	274	self.compile_block(instr.block)
275	275	self.emitter.emit(CLI())
276	276	elif opcode == 'copy':
277		if isinstance(src.type, VectorType) and isinstance(dest.type, VectorType):
	277	if src.type == TYPE_BYTE and dest.type == TYPE_BYTE:
	278	src_label = self.labels[src.name]
	279	dest_label = self.labels[dest.name]
	280	self.emitter.emit(LDA(Absolute(src_label)))
	281	self.emitter.emit(STA(Absolute(dest_label)))
	282	elif src.type == TYPE_WORD and dest.type == TYPE_WORD:
	283	src_label = self.labels[src.name]
	284	dest_label = self.labels[dest.name]
	285	self.emitter.emit(LDA(Absolute(src_label)))
	286	self.emitter.emit(STA(Absolute(dest_label)))
	287	self.emitter.emit(LDA(Absolute(Offset(src_label, 1))))
	288	self.emitter.emit(STA(Absolute(Offset(dest_label, 1))))
	289	elif isinstance(src.type, VectorType) and isinstance(dest.type, VectorType):
278	290	src_label = self.labels[src.name]
279	291	dest_label = self.labels[dest.name]
280	292	self.emitter.emit(LDA(Absolute(src_label)))

+29

-1

tests/SixtyPical Compilation.md less more