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Diffstat (limited to 'src/emu/cpu/h6280/h6280.h')
-rw-r--r-- | src/emu/cpu/h6280/h6280.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/emu/cpu/h6280/h6280.h b/src/emu/cpu/h6280/h6280.h new file mode 100644 index 00000000000..a1cd235a7d5 --- /dev/null +++ b/src/emu/cpu/h6280/h6280.h @@ -0,0 +1,54 @@ +/***************************************************************************** + + h6280.h Portable Hu6280 emulator interface + + Copyright (c) 1999 Bryan McPhail, mish@tendril.co.uk + + This source code is based (with permission!) on the 6502 emulator by + Juergen Buchmueller. It is released as part of the Mame emulator project. + Let me know if you intend to use this code in any other project. + +******************************************************************************/ + +#ifndef _H6280_H +#define _H6280_H + +#include "cpuintrf.h" + +enum { + H6280_PC=1, H6280_S, H6280_P, H6280_A, H6280_X, H6280_Y, + H6280_IRQ_MASK, H6280_TIMER_STATE, + H6280_NMI_STATE, H6280_IRQ1_STATE, H6280_IRQ2_STATE, H6280_IRQT_STATE +#ifdef MAME_DEBUG + , + H6280_M1, H6280_M2, H6280_M3, H6280_M4, + H6280_M5, H6280_M6, H6280_M7, H6280_M8 +#endif +}; + +#define LAZY_FLAGS 0 + +#define H6280_RESET_VEC 0xfffe +#define H6280_NMI_VEC 0xfffc +#define H6280_TIMER_VEC 0xfffa +#define H6280_IRQ1_VEC 0xfff8 +#define H6280_IRQ2_VEC 0xfff6 /* Aka BRK vector */ + +void h6280_get_info(UINT32 state, cpuinfo *info); + + +READ8_HANDLER( H6280_irq_status_r ); +WRITE8_HANDLER( H6280_irq_status_w ); + +READ8_HANDLER( H6280_timer_r ); +WRITE8_HANDLER( H6280_timer_w ); + +/* functions for use by the PSG and joypad port only! */ +UINT8 h6280io_get_buffer(void); +void h6280io_set_buffer(UINT8); + +#ifdef MAME_DEBUG +offs_t h6280_dasm(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram); +#endif + +#endif /* _H6280_H */ |