Mercurial > repos > blastem
annotate sms.h @ 2274:bf1bb893f104
Properly ignore low bits of SP start address in disassembler
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 29 Dec 2022 22:44:35 -0800 |
parents | 40290a923886 |
children | 8cf7cadc17ee |
rev | line source |
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1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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1 #ifndef SMS_H_ |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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2 #define SMS_H_ |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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3 |
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Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
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4 #include "system.h" |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
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5 #include "vdp.h" |
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Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
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6 #include "psg.h" |
1752
d6d4c006a7b3
Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
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7 #ifdef NEW_CORE |
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Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
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8 #include "z80.h" |
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Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1595
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9 #else |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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10 #include "z80_to_x86.h" |
1752
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Initial attempt at interrupts in new Z80 core and integrating it into main executable
Michael Pavone <pavone@retrodev.com>
parents:
1595
diff
changeset
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11 #endif |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
12 #include "io.h" |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
13 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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14 #define SMS_RAM_SIZE (8*1024) |
1149
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1141
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15 #define SMS_CART_RAM_SIZE (32*1024) |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
16 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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17 typedef struct { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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18 system_header header; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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19 z80_context *z80; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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20 vdp_context *vdp; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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21 psg_context *psg; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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22 sega_io io; |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
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1117
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23 uint8_t *rom; |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1117
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24 uint32_t rom_size; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
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25 uint32_t master_clock; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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26 uint32_t normal_clock; |
2179
9a8dd4ba2753
Implement frame advance debugger command
Michael Pavone <pavone@retrodev.com>
parents:
1752
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27 uint32_t last_frame; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
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28 uint8_t should_return; |
2195
40290a923886
Implement Game Gear start button and region register
Michael Pavone <pavone@retrodev.com>
parents:
2179
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29 uint8_t start_button_region; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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30 uint8_t ram[SMS_RAM_SIZE]; |
1149
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
31 uint8_t bank_regs[4]; |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
32 uint8_t cart_ram[SMS_CART_RAM_SIZE]; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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33 } sms_context; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
34 |
1595
360d5bab199f
Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
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35 sms_context *alloc_configure_sms(system_media *media, uint32_t opts, uint8_t force_region); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
36 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
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37 #endif //SMS_H_ |