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mirror of https://github.com/jscrane/r65emu.git synced 2024-07-17 08:28:59 +00:00
This commit is contained in:
Stephen Crane 2014-11-29 13:36:51 +00:00
parent ff399c5ef1
commit c8d22f487c

View File

@ -14,14 +14,14 @@ public:
class Memory {
public:
typedef unsigned short address;
static const unsigned int page_size = 256;
static const unsigned page_size = 256;
class Device: public Checkpointable {
public:
Device (int bytes): _pages(bytes/page_size) {}
Device (unsigned bytes): _pages(bytes/page_size) {}
virtual ~Device () {}
int pages () const { return _pages; }
unsigned pages () const { return _pages; }
void access (address a) { _acc=a-_base; }
void base (address a) { _base=a; }
address base () const { return _base; }
@ -37,13 +37,13 @@ public:
private:
friend class Memory;
int _pages;
unsigned _pages;
};
// insert a new device instance
//
void put (Device &d, address at);
void put (Device &d, address at, int ep) { d._pages = ep; put(d, at); }
void put (Device &d, address at, unsigned ep) { d._pages = ep; put(d, at); }
Device *get (address at) const { return _pages[at/page_size]; }
// primary access interface