diff options
Diffstat (limited to 'trunk/src/emu/cpu/m6502/m6509.h')
-rw-r--r-- | trunk/src/emu/cpu/m6502/m6509.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/trunk/src/emu/cpu/m6502/m6509.h b/trunk/src/emu/cpu/m6502/m6509.h new file mode 100644 index 00000000000..0f3fe1daa48 --- /dev/null +++ b/trunk/src/emu/cpu/m6502/m6509.h @@ -0,0 +1,44 @@ +/***************************************************************************** + * + * m6509.h + * Portable 6509 emulator V1.0beta + * + * Copyright Peter Trauner, all rights reserved. + * + * - This source code is released as freeware for non-commercial purposes. + * - You are free to use and redistribute this code in modified or + * unmodified form, provided you list me in the credits. + * - If you modify this source code, you must add a notice to each modified + * source file that it has been changed. If you're a nice person, you + * will clearly mark each change too. :) + * - If you wish to use this for commercial purposes, please contact me at + * pullmoll@t-online.de + * - The author of this copywritten work reserves the right to change the + * terms of its usage and license at any time, including retroactively + * - This entire notice must remain in the source code. + * + *****************************************************************************/ + +#pragma once + +#ifndef __M6509_H__ +#define _M6509_H + +#include "m6502.h" + +enum +{ + M6509_PC=1, M6509_S, M6509_P, M6509_A, M6509_X, M6509_Y, + M6509_EA, M6509_ZP, M6509_NMI_STATE, M6509_IRQ_STATE, M6509_SO_STATE, + M6509_PC_BANK, M6509_IND_BANK +}; + +#define M6509_IRQ_LINE M6502_IRQ_LINE +/* use device_set_input_line(cpudevice, M6509_SET_OVERFLOW, level) + to change level of the so input line + positiv edge sets overflow flag */ +#define M6509_SET_OVERFLOW 3 + +DECLARE_LEGACY_CPU_DEVICE(M6509, m6509); + +#endif /* __M6509_H__ */ |