mirror of https://github.com/uffejakobsen/acme.git
39 lines
1.5 KiB
C
39 lines
1.5 KiB
C
// ACME - a crossassembler for producing 6502/65c02/65816/65ce02 code.
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// Copyright (C) 1998-2020 Marco Baye
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// Have a look at "acme.c" for further info
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//
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// CPU type stuff
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#ifndef cpu_type_H
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#define cpu_type_H
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#include "config.h"
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// CPU type structure definition
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struct cpu_type {
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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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boolean (*keyword_is_mnemonic)(int);
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bits flags; // see below for bit meanings
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unsigned char default_align_value;
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};
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#define CPUFLAG_INDIRECTJMPBUGGY (1u << 0) // warn if "jmp ($xxff)" is assembled
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#define CPUFLAG_SUPPORTSLONGREGS (1u << 1) // allow "!al" and "!rl" pseudo opcodes
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#define CPUFLAG_8B_AND_AB_NEED_0_ARG (1u << 2) // warn if "ane/lxa #$xx" uses non-zero arg
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#define CPUFLAG_ISBIGENDIAN (1u << 3) // for 16/24/32-bit values, output msb first
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#define CPUFLAG_DECIMALSUBTRACTBUGGY (1u << 4) // warn if "sed" is assembled
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#define CPUFLAG_WARN_ABOUT_FF_PTR (1u << 5) // warn if MNEMO($ff) is assembled
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// if cpu type and value match, set register length variable to value.
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// if cpu type and value don't match, complain instead.
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extern void vcpu_check_and_set_reg_length(boolean *var, boolean make_long);
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// set default value for pass
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extern void cputype_passinit(const struct cpu_type *cpu_type);
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// lookup cpu type held in DynaBuf and return its struct pointer (or NULL on failure)
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extern const struct cpu_type *cputype_find(void);
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extern const char cputype_names[]; // string to show if cputype_find() returns NULL
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#endif
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