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comparison cpu_dsl.py @ 2440:338c78da3fff

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Added a little syntax sugar to CPU DSL and started updating new Z80 core to use it
author Michael Pavone <pavone@retrodev.com>
date Sun, 11 Feb 2024 17:26:52 -0800
parents 7d4df6b74263
children 4435abe5db5e
comparison
equal deleted inserted replaced
2439:a66916828c9b 2440:338c78da3fff
1 #!/usr/bin/env python3 1 #!/usr/bin/env python3
2 2
3 3 assignmentOps = {
4 '=': 'mov',
5 '+=': 'add',
6 '-=': 'sub',
7 '<<=': 'lsl',
8 '>>=': 'lsr',
9 '&=': 'and',
10 '|=': 'or',
11 '^=': 'xor'
12 }
4 class Block: 13 class Block:
5 def addOp(self, op): 14 def addOp(self, op):
6 pass 15 pass
7 16
8 def processLine(self, parts): 17 def processLine(self, parts):
15 self.addOp(o) 24 self.addOp(o)
16 return o 25 return o
17 elif parts[0] == 'end': 26 elif parts[0] == 'end':
18 raise Exception('end is only allowed inside a switch or if block') 27 raise Exception('end is only allowed inside a switch or if block')
19 else: 28 else:
29 if len(parts) > 1 and parts[1] in assignmentOps:
30 dst = parts[0]
31 op = parts[1]
32 parts = [assignmentOps[op]] + parts[2:]
33 if op != '=':
34 if op == '<<=' or op == '>>=':
35 parts.insert(1, dst)
36 else:
37 parts.append(dst)
38 parts.append(dst)
20 self.addOp(NormalOp(parts)) 39 self.addOp(NormalOp(parts))
21 return self 40 return self
22 41
23 def processOps(self, prog, fieldVals, output, otype, oplist): 42 def processOps(self, prog, fieldVals, output, otype, oplist):
24 for i in range(0, len(oplist)): 43 for i in range(0, len(oplist)):
1764 parts = [] 1783 parts = []
1765 while sep: 1784 while sep:
1766 before,sep,after = line.partition('"') 1785 before,sep,after = line.partition('"')
1767 before = before.strip() 1786 before = before.strip()
1768 if before: 1787 if before:
1769 parts += [el.strip() for el in before.split(' ')] 1788 parts += [el.strip() for el in before.split(' ') if el.strip()]
1770 if sep: 1789 if sep:
1771 #TODO: deal with escaped quotes 1790 #TODO: deal with escaped quotes
1772 inside,sep,after = after.partition('"') 1791 inside,sep,after = after.partition('"')
1773 parts.append('"' + inside + '"') 1792 parts.append('"' + inside + '"')
1774 line = after 1793 line = after