diff options
Diffstat (limited to 'engines/gargoyle/frotz/mem.h')
| -rw-r--r-- | engines/gargoyle/frotz/mem.h | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/engines/gargoyle/frotz/mem.h b/engines/gargoyle/frotz/mem.h index e12c062ff8..c128994df1 100644 --- a/engines/gargoyle/frotz/mem.h +++ b/engines/gargoyle/frotz/mem.h @@ -24,6 +24,7 @@ #define GARGOYLE_FROTZ_MEM #include "gargoyle/frotz/frotz_types.h" +#include "gargoyle/frotz/err.h" namespace Gargoyle { namespace Frotz { @@ -202,46 +203,51 @@ private: * Handles loading the game header */ void loadGameHeader(); -public: +protected: /** - * Constructor + * Read a value from the header extension (former mouse table). */ - Mem(); + zword get_header_extension(int entry); /** - * Initialize + * Set an entry in the header extension (former mouse table). */ - void initialize(); + void set_header_extension(int entry, zword val); /** - * Read a word + * Set all header fields which hold information about the interpreter. */ - zword readWord() { - pcp += 2; - return READ_BE_UINT16(pcp - 2); - } + void restart_header(); /** - * Read a word at a given index relative to pcp + * Write a byte value to the dynamic Z-machine memory. */ - zword readWord(size_t ofs) { - return READ_BE_UINT16(pcp + ofs); - } + void storeb(zword addr, zbyte value); /** - * Get the PC + * Write a word value to the dynamic Z-machine memory. */ - uint getPC() const { return pcp - zmp; } + void storew(zword addr, zword value); /** - * Set the PC + * Generates a runtime error */ - void setPC(uint ofs) { pcp = zmp + ofs; } + virtual void runtimeError(ErrorCode errNum) = 0; /** - * Read a value from the header extension (former mouse table). + * Called when the flags are changed */ - zword get_header_extension(int entry); + virtual void flagsChanged(zbyte value) = 0; +public: + /** + * Constructor + */ + Mem(); + + /** + * Initialize + */ + void initialize(); }; } // End of namespace Frotz |