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116 lines
3.6 KiB
C
116 lines
3.6 KiB
C
/*
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* scenario.h シナリオ管理実行
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*
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* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
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* 1998- <masaki-c@is.aist-nara.ac.jp>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/* $Id: scenario.h,v 1.14 2003/04/22 16:34:28 chikama Exp $ */
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#ifndef __SCENARIO__
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#define __SCENARIO__
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#include "portab.h"
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#include "system.h"
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enum save_format;
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struct VarRef;
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// Stack frame tags. Changing these will break savedata compatibility.
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#define STACK_FARCALL 0xFF
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#define STACK_NEARCALL 0xEE
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#define STACK_VARIABLE 0xDD
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#define STACK_TEXTCOLOR 0xCC
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#define STACK_TEXTSIZE 0xBB
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#define STACK_TEXTLOC 0xAA
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struct stack_info {
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int top_attr; // always zero?
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int page_calls;
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int label_calls;
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int var_pushes;
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int label_calls_after_page_call;
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int var_pushes_after_call;
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};
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struct stack_frame_info {
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uint8_t tag;
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uint16_t page; // STACK_FARCALL
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int addr; // STACK_FARCALL or STACK_NEARCALL
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uint8_t *p; // for internal use
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};
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// Use functions below instead of accessing these variables directly.
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extern const uint8_t *sl_sco; // scenario page buffer
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extern int sl_page; // current scenario page (0-based)
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extern int sl_index; // cureent scenario address
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bool sl_init(void);
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bool sl_reinit(void);
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int sl_getw(void);
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#define sl_getdw sl_getaddr
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int sl_getdAt(int address);
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int sl_getwAt(int address);
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int sl_getcAt(int address);
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int sl_getaddr(void);
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void sl_ungetc(void);
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const char *sl_getString(char term);
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const char *sl_getConstString(void);
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void sl_jmpNear(int address);
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bool sl_jmpFar(int page);
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bool sl_jmpFar2(int page, int address);
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void sl_callNear(int address);
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void sl_retNear(void);
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void sl_callFar(int page);
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void sl_callFar2(int page, int address);
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void sl_retFar(void);
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void sl_dropLabelCalls(int cnt);
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void sl_dropPageCalls(int cnt);
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void *sl_setDataTable(int page, int index);
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void sl_returnGoto(int address);
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void sl_clearStack(bool restore);
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void sl_pushVar(struct VarRef *vref, int cnt);
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void sl_popVar(struct VarRef *vref, int cnt);
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uint8_t *sl_saveStack(enum save_format format, int *size);
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void sl_loadStack(enum save_format format, uint8_t *data, int size);
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void sl_getStackInfo(struct stack_info *info);
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void sl_pushTextColor(uint8_t type, uint8_t color);
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void sl_pushTextSize(uint8_t type, int size);
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void sl_pushTextLoc(int x, int y);
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void sl_popState(uint8_t expected_type);
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struct stack_frame_info *sl_next_stack_frame(struct stack_frame_info *frame_info);
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static inline int sl_getIndex(void) { return sl_index; }
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static inline int sl_getPage(void) { return sl_page; }
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static inline int sl_getc(void) { return sl_sco[sl_index++]; }
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#define TRACE_UNIMPLEMENTED(fmt, ...) \
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sys_message(2, "[UNIMPLEMENTED] " fmt "\n", ##__VA_ARGS__)
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#ifdef DEBUG
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#define TRACE(fmt, ...) \
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sys_message(5, "[TRACE] " fmt "\n", ##__VA_ARGS__)
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#define TRACE_MESSAGE(...) sys_message(6, __VA_ARGS__)
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#else
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#define TRACE(...)
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#define TRACE_MESSAGE(...)
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#endif
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#endif /* !__SCENARIO_ */
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