mirror of
https://github.com/livingcomputermuseum/UniBone.git
synced 2026-01-30 05:25:02 +00:00
974aeed8eb
Interrupt and DMA system now handles multiple levels and multiple devices in parallel Interrupt Register changes synced with INTR transaction DL11 and KW11 clock pass the ZDLDI0 diagnostic. Devices can now be enabled and disabled individually.
117 lines
3.5 KiB
C++
117 lines
3.5 KiB
C++
/* memoryimage.cpp - reading and saving several memory file formats
|
|
|
|
Copyright (c) 2017, Joerg Hoppe, j_hoppe@t-online.de, www.retrocmp.com
|
|
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
- Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
|
|
- Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
- Neither the name of the copyright holder nor the names of its
|
|
contributors may be used to endorse or promote products derived from
|
|
this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
|
|
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
12-nov-2018 JH entered beta phase
|
|
18-Jun-2017 JH created
|
|
|
|
*/
|
|
|
|
#ifndef _MEMORYIMAGE_HPP_
|
|
#define _MEMORYIMAGE_HPP_
|
|
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <assert.h>
|
|
|
|
#include "unibus.h"
|
|
|
|
typedef enum {
|
|
fileformat_none = 0,
|
|
fileformat_addr_value_text = 1,
|
|
fileformat_macro11_listing = 2,
|
|
fileformat_papertape = 3,
|
|
fileformat_binary = 4
|
|
} memory_fileformat_t;
|
|
|
|
#define MEMORY_ADDRESS_INVALID 0x7fffffff
|
|
|
|
#define MEMORY_WORD_COUNT UNIBUS_WORDCOUNT //128 kwords, 18 bit addresses
|
|
#define MEMORY_DATA_MASK 0xffff // lower 16bits are valid
|
|
|
|
class memoryimage_c: public logsource_c {
|
|
private:
|
|
uint16_t get_word(unsigned addr) {
|
|
return data.words[addr / 2];
|
|
}
|
|
void put_word(unsigned addr, uint16_t w) {
|
|
data.words[addr / 2] = w;
|
|
valid[addr / 2] = true;
|
|
}
|
|
|
|
void put_byte(unsigned addr, unsigned b);
|
|
|
|
bool valid[MEMORY_WORD_COUNT]; // 0 = memory words[] invalid
|
|
|
|
void assert_address(unsigned addr) {
|
|
assert((addr) / 2 < MEMORY_WORD_COUNT);
|
|
}
|
|
|
|
public:
|
|
// word idx IS NOT the addr, addr = idx + 2
|
|
unibus_memory_t data; // array with data words
|
|
//uint16_t words[MEMORY_WORD_COUNT];
|
|
int entry_address; // start address, if found. MEMORY_ADDRESS_INVALID = invalid
|
|
|
|
memoryimage_c() {
|
|
log_label = "MEMIMG";
|
|
}
|
|
|
|
void init(void);
|
|
|
|
// is words[addr] initialized?
|
|
bool is_valid(unsigned addr) {
|
|
unsigned wordidx = addr / 2;
|
|
assert_address(addr);
|
|
return valid[wordidx];
|
|
}
|
|
void fill(uint16_t fillword);
|
|
|
|
void get_addr_range(unsigned *first, unsigned* last);
|
|
unsigned get_word_count(void);
|
|
void set_addr_range(unsigned first, unsigned last);
|
|
|
|
bool load_addr_value_text(const char *fname);bool load_macro11_listing(const char *fname,
|
|
const char *entrylabel);bool load_papertape(const char *fname);bool load_binary(
|
|
const char *fname);
|
|
|
|
void save_binary(const char *fname, unsigned bytecount);
|
|
|
|
void info(FILE *f);
|
|
void dump(FILE *f);
|
|
|
|
};
|
|
|
|
extern memoryimage_c *membuffer;
|
|
|
|
#endif /* MEMORY_H_ */
|