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Last change
on this file since 28 was
28,
checked in by sacerdot, 11 years ago
|
|
1) all the opcodes are there in ASM syntax
(but no labels, pseudo-instruction and similar ASM-level stuff)
2) assembly function (from ASM syntax to bytes) partially implemented
3) decode function (from bytes to ASM syntax) partially implemented
4) one-step execute function partially implemented
|
|
File size:
784 bytes
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| Line | |
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| 1 | exception FOO2 |
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| 2 | |
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| 3 | type bit = bool |
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| 4 | type nibble = bit * bit * bit * bit |
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| 5 | type byte = nibble * nibble |
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| 6 | type byte7 = bit * bit * bit * nibble |
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| 7 | type word = byte * byte |
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| 8 | type word11 = bit * bit * bit * byte |
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| 9 | |
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| 10 | module Byte7Map : Map.S with type key = byte7 |
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| 11 | module WordMap : Map.S with type key = word |
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| 12 | |
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| 13 | val byte7_of_byte: byte -> byte7 |
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| 14 | |
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| 15 | val word_of_int: int -> word |
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| 16 | val byte7_of_int: int -> byte7 |
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| 17 | val byte_of_int: int -> byte |
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| 18 | val int_of_bit: bit -> int |
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| 19 | val int_of_byte: byte -> int |
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| 20 | val int_of_nibble: nibble -> int |
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| 21 | |
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| 22 | val (++): word -> int -> word |
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| 23 | |
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| 24 | val add8_with_c: |
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| 25 | byte -> byte -> bit -> byte * bit * bit * bit (* +, c, ac, ov *) |
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| 26 | val subb8_with_c: |
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| 27 | byte -> byte -> bit -> byte * bit * bit * bit (* -, c, ac, ov *) |
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| 28 | val dec: byte -> byte (* with roll-over *) |
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| 29 | val inc: byte -> byte (* with roll-over *) |
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