X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=dcpu16.h;h=c893347ea3485e9b6aecb7bd0893b12c1a111ccf;hb=05eb5ecfb1611ebd0930c3195a5e55f929571cbd;hp=005aad3a858fbe656adfd8bc9df92841c7f26696;hpb=df965ac8eeee9115d8f8c7e35e8a470b315d3fb4;p=dcpu16 diff --git a/dcpu16.h b/dcpu16.h index 005aad3..c893347 100644 --- a/dcpu16.h +++ b/dcpu16.h @@ -1,36 +1,42 @@ #ifndef DCPU16_H_3XXIQQG2 #define DCPU16_H_3XXIQQG2 +#include + /* the target system's concept of a word */ typedef unsigned short DCPU16_WORD; /* how much ram the system has */ #define DCPU16_RAM 0x10000 -/* these are used for accounting/watchpointing/&c */ -typedef unsigned int dcpu16_acct_event_; -#define DCPU16_ACCT_EV_READ (1<<1) -#define DCPU16_ACCT_EV_WRITE (1<<2) -#define DCPU16_ACCT_EV_NOP (1<<3) - -struct dcpu16_acct_cb { - void (*fn)(dcpu16_acct_event_ e, DCPU16_WORD addr); - dcpu16_acct_event_ mask; -}; - /* a self-contained dcpu16 core */ struct dcpu16 { + struct dcpu16_acct_cb *cb_table_; /* list of callbacks to invoke for certain events */ + size_t cb_table_entries_; /* callback list maintenance */ + size_t cb_table_allocated_; /* callback list maintenance */ + unsigned int skip_ : 1; /* skip execution of next instruction */ + DCPU16_WORD reg_work_[2]; /* work registers for holding literal values while decoding instructions */ + unsigned long long cycle; /* number of cycles this core has executed */ DCPU16_WORD reg[8]; /* system registers, a b c x y z i j */ DCPU16_WORD pc; /* program counter */ DCPU16_WORD sp; /* stack pointer */ DCPU16_WORD o; /* overflow */ - unsigned int skip_ : 1; /* skip execution of next instruction */ DCPU16_WORD ram[DCPU16_RAM]; /* memory */ - DCPU16_WORD reg_work_[2]; /* (private) work registers for holding literal values while decoding instructions */ - struct dcpu16_acct_cb *cb_table_; /* list of callbacks to invoke under certain conditions */ - size_t cb_table_entries_; /* callback list maintenance */ - size_t cb_table_allocated_; /* callback list maintenance */ +}; + +/* these are used for accounting/watchpointing/modules/&c */ +typedef unsigned int dcpu16_acct_event; +typedef void (dcpu16_ev_cb_t)(struct dcpu16 *, dcpu16_acct_event, DCPU16_WORD, void *); +#define DCPU16_ACCT_EV_CYCLE (1<<1) +#define DCPU16_ACCT_EV_READ (1<<2) +#define DCPU16_ACCT_EV_WRITE (1<<3) +#define DCPU16_ACCT_EV_NOP (1<<4) +#define DCPU16_ACCT_EV_RESET (1<<5) +struct dcpu16_acct_cb { + dcpu16_ev_cb_t *fn; + void *data; + dcpu16_acct_event mask; }; /* instantiate a new core */ @@ -49,7 +55,7 @@ void dcpu16_dump_ram(struct dcpu16 *, DCPU16_WORD, DCPU16_WORD); DCPU16_WORD dcpu16_disassemble_print(struct dcpu16 *, DCPU16_WORD); /* register a callback for an accounting event */ -int dcpu16_acct_add(struct dcpu16 *, dcpu16_acct_event_ mask, void (*fn)(dcpu16_acct_event_, DCPU16_WORD)); +int dcpu16_acct_add(struct dcpu16 *, dcpu16_acct_event mask, dcpu16_ev_cb_t *fn, void *data); /* execute the next instruction */ void dcpu16_step(struct dcpu16 *);