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annotate sms.h @ 2521:8cf7cadc17ee

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Initial SC-3000 support
author Michael Pavone <pavone@retrodev.com>
date Fri, 11 Oct 2024 00:46:53 -0700
parents 40290a923886
children 90a40be940f7
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1 #ifndef SMS_H_
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2 #define SMS_H_
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3
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4 #include "system.h"
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5 #include "vdp.h"
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6 #include "psg.h"
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7 #ifdef NEW_CORE
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8 #include "z80.h"
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9 #else
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10 #include "z80_to_x86.h"
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11 #endif
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12 #include "io.h"
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13 #include "i8255.h"
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15 #define SMS_RAM_SIZE (8*1024)
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16 #define SMS_CART_RAM_SIZE (32*1024)
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18 typedef struct {
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19 system_header header;
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20 z80_context *z80;
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21 vdp_context *vdp;
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22 psg_context *psg;
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23 sega_io io;
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24 i8255 *i8255;
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25 uint16_t *keystate;
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26 uint8_t *rom;
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27 uint32_t rom_size;
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28 uint32_t master_clock;
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29 uint32_t normal_clock;
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30 uint32_t last_frame;
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31 uint8_t should_return;
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32 uint8_t start_button_region;
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33 uint8_t ram[SMS_RAM_SIZE];
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parents: 1141
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34 uint8_t bank_regs[4];
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parents: 1141
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35 uint8_t cart_ram[SMS_CART_RAM_SIZE];
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36 uint8_t kb_mux;
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37 } sms_context;
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38
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39 sms_context *alloc_configure_sms(system_media *media, uint32_t opts, uint8_t force_region);
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41 #endif //SMS_H_