Flatten more.
Chris Pressey
4 years ago
| 378 | 378 | dest = instr.dest |
| 379 | 379 | src = instr.src |
| 380 | 380 | |
| 381 | if isinstance(src, (LocationRef, ConstantRef)) and isinstance(dest, IndirectRef): | |
| 382 | if src.type == TYPE_BYTE and isinstance(dest.ref.type, PointerType): | |
| 383 | if isinstance(src, ConstantRef): | |
| 384 | ### copy 123, [ptr] + y | |
| 385 | dest_label = self.get_label(dest.ref.name) | |
| 386 | self.emitter.emit(LDA(Immediate(Byte(src.value)))) | |
| 387 | self.emitter.emit(STA(IndirectY(dest_label))) | |
| 388 | elif isinstance(src, LocationRef): | |
| 389 | ### copy b, [ptr] + y | |
| 390 | src_label = self.get_label(src.name) | |
| 391 | dest_label = self.get_label(dest.ref.name) | |
| 392 | self.emitter.emit(LDA(Absolute(src_label))) | |
| 393 | self.emitter.emit(STA(IndirectY(dest_label))) | |
| 394 | else: | |
| 395 | raise NotImplementedError((src, dest)) | |
| 396 | else: | |
| 397 | raise NotImplementedError((src, dest)) | |
| 381 | if isinstance(src, ConstantRef) and isinstance(dest, IndirectRef) and src.type == TYPE_BYTE and isinstance(dest.ref.type, PointerType): | |
| 382 | ### copy 123, [ptr] + y | |
| 383 | dest_label = self.get_label(dest.ref.name) | |
| 384 | self.emitter.emit(LDA(Immediate(Byte(src.value)))) | |
| 385 | self.emitter.emit(STA(IndirectY(dest_label))) | |
| 386 | elif isinstance(src, LocationRef) and isinstance(dest, IndirectRef) and src.type == TYPE_BYTE and isinstance(dest.ref.type, PointerType): | |
| 387 | ### copy b, [ptr] + y | |
| 388 | src_label = self.get_label(src.name) | |
| 389 | dest_label = self.get_label(dest.ref.name) | |
| 390 | self.emitter.emit(LDA(Absolute(src_label))) | |
| 391 | self.emitter.emit(STA(IndirectY(dest_label))) | |
| 398 | 392 | elif isinstance(src, IndirectRef) and isinstance(dest, LocationRef) and dest.type == TYPE_BYTE and isinstance(src.ref.type, PointerType): |
| 399 | 393 | ### copy [ptr] + y, b |
| 400 | 394 | src_label = self.get_label(src.ref.name) |