1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
#!/usr/bin/env ruby
require 'yaml'
require 'erb'
# load template data
DATA = YAML.load_file(File.join(__dir__, 'ops.yaml'))
switches = DATA['ops'].reduce([]) do |r, set|
prefix = (set.first == 'cb') ? 0xCB00 : 0x0000
set.last.reduce(r) do |r, op|
# op hex string
hex = (prefix + op['hex']).to_s(16).upcase.rjust(4, '0')
r << case op['op']
when 'XX'
[
"case 0x%s: /* op: %s, cat: %s */",
" invalid(ctx, old_pc);",
" break;",
].join("\n") % [
hex,
op['id'],
op['cat'],
]
else
# time expr
time_expr = case op['time']
when Numeric
'ctx->cpu.clock += %d;' % [op['time']]
when Hash
'ctx->cpu.clock += %d; // t: %d, f: %d' % %w{f t f}.map { |k|
op['time'][k]
}
else
raise "unknown op time: #{hex}: #{op['time']}"
end
[
"case 0x%s: /* op: \"%s\", cat: \"%s\" */",
" %s", # action_expr
" %s", # time_expr
" break;"
].join("\n") % [
hex,
op['id'],
op['cat'],
op['code'] || 'not_implemented(ctx, old_pc, op);',
time_expr,
]
end
end
end.join("\n")
t = ERB.new(DATA['templates']['main'])
puts t.run(binding)
|
