diff options
Diffstat (limited to 'trunk/src/emu/cpu/m68000/68307sim.h')
-rw-r--r-- | trunk/src/emu/cpu/m68000/68307sim.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/trunk/src/emu/cpu/m68000/68307sim.h b/trunk/src/emu/cpu/m68000/68307sim.h new file mode 100644 index 00000000000..ff8e447dd00 --- /dev/null +++ b/trunk/src/emu/cpu/m68000/68307sim.h @@ -0,0 +1,70 @@ +/* 68307 SIM module */ + +READ16_HANDLER( m68307_internal_sim_r ); +WRITE16_HANDLER( m68307_internal_sim_w ); + +/* ports */ +#define m68307SIM_PACNT (0x10) +#define m68307SIM_PADDR (0x12) +#define m68307SIM_PADAT (0x14) +#define m68307SIM_PBCNT (0x16) +#define m68307SIM_PBDDR (0x18) +#define m68307SIM_PBDAT (0x1a) + + +/* interrupt logic */ +#define m68307SIM_LICR1 (0x20) +#define m68307SIM_LICR2 (0x22) +#define m68307SIM_PICR (0x24) +#define m68307SIM_PIVR (0x26) + +/* used for the CS logic */ +#define m68307SIM_BR0 (0x40) +#define m68307SIM_OR0 (0x42) +#define m68307SIM_BR1 (0x44) +#define m68307SIM_OR1 (0x46) +#define m68307SIM_BR2 (0x48) +#define m68307SIM_OR2 (0x4a) +#define m68307SIM_BR3 (0x4c) +#define m68307SIM_OR3 (0x4e) + +class m68307_sim +{ + public: + + UINT16 m_pacnt; // 8-bit + UINT16 m_paddr; // 8-bit + UINT16 m_padat; // 8-bit + + UINT16 m_pbcnt; + UINT16 m_pbddr; + UINT16 m_pbdat; + + UINT16 m_pivr; // 8-bit + + UINT16 m_br[4]; + UINT16 m_or[4]; + UINT16 m_picr; + UINT16 m_licr1; + UINT16 m_licr2; + + + void write_pacnt(UINT16 data, UINT16 mem_mask); + void write_paddr(UINT16 data, UINT16 mem_mask); + UINT16 read_padat(address_space *space, UINT16 mem_mask); + void write_padat(address_space *space, UINT16 data, UINT16 mem_mask); + + void write_pbcnt(UINT16 data, UINT16 mem_mask); + void write_pbddr(UINT16 data, UINT16 mem_mask); + UINT16 read_pbdat(address_space *space, UINT16 mem_mask); + void write_pbdat(address_space *space, UINT16 data, UINT16 mem_mask); + + + + void write_licr1(UINT16 data, UINT16 mem_mask); + void write_licr2(UINT16 data, UINT16 mem_mask); + void write_picr(UINT16 data, UINT16 mem_mask); + void write_pivr(UINT16 data, UINT16 mem_mask); + + void reset(void); +}; |