2012-02-27 21:14:46 +00:00
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// ACME - a crossassembler for producing 6502/65c02/65816 code.
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// Copyright (C) 1998-2009 Marco Baye
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// Have a look at "acme.c" for further info
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//
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// CPU stuff
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#ifndef cpu_H
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#define cpu_H
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#include "config.h"
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// CPU type structure definition
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struct cpu_t {
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// This function is not allowed to change GlobalDynaBuf
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// because that's where the mnemonic is stored!
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int (*keyword_is_mnemonic)(int);
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int flags;
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char default_align_value;
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int a_is_long;
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int xy_are_long;
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};
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#define CPUFLAG_INDIRECTJMPBUGGY (1u << 0)
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#define CPUFLAG_SUPPORTSLONGREGS (1u << 1)
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// variables
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extern struct cpu_t *CPU_now; // struct of current CPU type (default 6502)
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extern struct result_int_t CPU_pc; // current program counter (pseudo value)
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extern int CPU_2add; // add to PC after statement
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// create cpu type tree (is done early)
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extern void CPUtype_init(void);
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// register pseudo opcodes (done later)
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extern void CPU_init(void);
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// set default values for pass
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extern void CPU_passinit(struct cpu_t *cpu_type);
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2013-06-26 23:01:00 +00:00
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// set program counter to defined value (FIXME - allow undefined!)
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2012-02-27 21:14:46 +00:00
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extern void CPU_set_pc(intval_t new_pc);
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// try to find CPU type held in DynaBuf. Returns whether succeeded.
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extern int CPU_find_cpu_struct(struct cpu_t **target);
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// return whether offset assembly is active
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extern int CPU_uses_pseudo_pc(void);
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#endif
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