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comparison cpu_dsl.py @ 1740:28ab56ff8cea

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Implement DD/FD prefixes for instructions that don't reference HL
author Michael Pavone <pavone@retrodev.com>
date Mon, 04 Feb 2019 22:20:51 -0800
parents 2207cd2bae14
children 6290c88949bd
comparison
equal deleted inserted replaced
1739:435877da5837 1740:28ab56ff8cea
1314 self.needFlagDisperse = False 1314 self.needFlagDisperse = False
1315 self.lastOp = None 1315 self.lastOp = None
1316 opmap[val] = inst.generateName(val) 1316 opmap[val] = inst.generateName(val)
1317 bodymap[val] = inst.generateBody(val, self, otype) 1317 bodymap[val] = inst.generateBody(val, self, otype)
1318 1318
1319 pieces.append('\ntypedef void (*impl_fun)({pre}context *context);'.format(pre=self.prefix))
1320 pieces.append('\nstatic impl_fun impl_{name}[{sz}] = {{'.format(name = table, sz=len(opmap))) 1319 pieces.append('\nstatic impl_fun impl_{name}[{sz}] = {{'.format(name = table, sz=len(opmap)))
1321 for inst in range(0, len(opmap)): 1320 for inst in range(0, len(opmap)):
1322 op = opmap[inst] 1321 op = opmap[inst]
1323 if op is None: 1322 if op is None:
1324 pieces.append('\n\tunimplemented,') 1323 pieces.append('\n\tunimplemented,')
1333 pieces = [] 1332 pieces = []
1334 for include in self.includes: 1333 for include in self.includes:
1335 body.append('#include "{0}"\n'.format(include)) 1334 body.append('#include "{0}"\n'.format(include))
1336 body.append('\nstatic void unimplemented({pre}context *context)'.format(pre = self.prefix)) 1335 body.append('\nstatic void unimplemented({pre}context *context)'.format(pre = self.prefix))
1337 body.append('\n{') 1336 body.append('\n{')
1338 body.append('\n\tfatal_error("Unimplemented instruction");') 1337 body.append('\n\tfatal_error("Unimplemented instruction\\n");')
1339 body.append('\n}\n') 1338 body.append('\n}\n')
1339 body.append('\ntypedef void (*impl_fun)({pre}context *context);'.format(pre=self.prefix))
1340 for table in self.extra_tables:
1341 body.append('\nstatic impl_fun impl_{name}[{sz}];'.format(name = table, sz=(1 << self.opsize)))
1342 body.append('\nstatic impl_fun impl_main[{sz}];'.format(sz=(1 << self.opsize)))
1340 for table in self.extra_tables: 1343 for table in self.extra_tables:
1341 self._buildTable(otype, table, body) 1344 self._buildTable(otype, table, body)
1342 self._buildTable(otype, 'main', body) 1345 self._buildTable(otype, 'main', body)
1343 if self.body in self.subroutines: 1346 if self.body in self.subroutines:
1344 pieces.append('\nvoid {pre}execute({type} *context, uint32_t target_cycle)'.format(pre = self.prefix, type = self.context_type)) 1347 pieces.append('\nvoid {pre}execute({type} *context, uint32_t target_cycle)'.format(pre = self.prefix, type = self.context_type))