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comparison genesis.h @ 1907:b021ca0bc375

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Some partial work on TMSS registers, more accurate open bus locations and implement machine freezes for unmapped areas in the IO region
author Michael Pavone <pavone@retrodev.com>
date Wed, 25 Mar 2020 22:59:59 -0700
parents bb4d19c7c047
children 374a5ae694e8 c3c62dbf1ceb
comparison
equal deleted inserted replaced
1906:2d462aa78349 1907:b021ca0bc375
51 uint32_t int_latency_prev1; 51 uint32_t int_latency_prev1;
52 uint32_t int_latency_prev2; 52 uint32_t int_latency_prev2;
53 uint32_t reset_cycle; 53 uint32_t reset_cycle;
54 uint8_t bank_regs[8]; 54 uint8_t bank_regs[8];
55 uint16_t z80_bank_reg; 55 uint16_t z80_bank_reg;
56 uint16_t tmss_lock[2];
56 uint16_t mapper_start_index; 57 uint16_t mapper_start_index;
57 uint8_t mapper_type; 58 uint8_t mapper_type;
58 uint8_t save_type; 59 uint8_t save_type;
59 sega_io io; 60 sega_io io;
60 uint8_t version_reg; 61 uint8_t version_reg;
61 uint8_t bus_busy; 62 uint8_t bus_busy;
62 uint8_t reset_requested; 63 uint8_t reset_requested;
64 uint8_t tmss;
63 eeprom_state eeprom; 65 eeprom_state eeprom;
64 nor_state nor; 66 nor_state nor;
65 }; 67 };
66 68
67 #define RAM_WORDS 32 * 1024 69 #define RAM_WORDS 32 * 1024