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comparison romdb.c @ 938:4c17c7f46331

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Accept address on 128-byte EEPROMs on both read and write
author Michael Pavone <pavone@retrodev.com>
date Wed, 24 Feb 2016 19:24:13 -0800
parents 9e882eca717e
children 9ab35686a025
comparison
equal deleted inserted replaced
937:9364dad5561a 938:4c17c7f46331
106 break; 106 break;
107 case I2C_DEVICE_ACK: 107 case I2C_DEVICE_ACK:
108 if (state->latch & 1) { 108 if (state->latch & 1) {
109 state->state = I2C_READ; 109 state->state = I2C_READ;
110 state->counter = 8; 110 state->counter = 8;
111 if (state->size < 256) {
112 state->address = state->latch >> 1;
113 }
111 state->latch = state->buffer[state->address]; 114 state->latch = state->buffer[state->address];
112 } else { 115 } else {
113 if (state->size < 256) { 116 if (state->size < 256) {
114 state->address = state->latch >> 1; 117 state->address = state->latch >> 1;
115 state->state = I2C_WRITE; 118 state->state = I2C_WRITE;
363 } 366 }
364 uint16_t ret = 0; 367 uint16_t ret = 0;
365 if (map->sda_read_bit < 16) { 368 if (map->sda_read_bit < 16) {
366 ret = get_sda(&gen->eeprom) << map->sda_read_bit; 369 ret = get_sda(&gen->eeprom) << map->sda_read_bit;
367 } 370 }
368 return ret; 371 return ret;
369 } 372 }
370 373
371 uint8_t read_eeprom_i2c_b(uint32_t address, void * context) 374 uint8_t read_eeprom_i2c_b(uint32_t address, void * context)
372 { 375 {
373 genesis_context *gen = ((m68k_context *)context)->system; 376 genesis_context *gen = ((m68k_context *)context)->system;