s502 assembler
A very simple assembler for the 6502 line of processors written in C
src
number.h
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#ifndef GUARD_NUMBER
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#define GUARD_NUMBER
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#include "
state.h
"
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enum
{
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NUMBER_ERROR
= -1,
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NUMBER_LABEL_NODEF
= -2,
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};
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int
number_get_number
(
State
* s,
char
* str);
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int
number_char_to_digit
(
char
c);
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#endif
number_char_to_digit
int number_char_to_digit(char c)
Convert a hex char to a digit.
Definition:
number.c:12
number_get_number
int number_get_number(State *s, char *str)
interpret a string as a constant, label or number
Definition:
number.c:75
State
Compiler pseudo-global state.
Definition:
state.h:32
state.h
implement State class
NUMBER_ERROR
@ NUMBER_ERROR
Could not parse a number or constant is undefined.
Definition:
number.h:15
NUMBER_LABEL_NODEF
@ NUMBER_LABEL_NODEF
Undefined label.
Definition:
number.h:17
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