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Make RAM size configurable.

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This commit is contained in:
Radosław Kujawa 2018-03-24 23:05:28 +01:00
parent eeb337a0d6
commit 363bb56fc6
3 changed files with 8 additions and 8 deletions
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4
src/bus.c
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@ -135,7 +135,7 @@ bus_init_with_default_devs()
t = bus_init();
bus_device_add(&t, device_ram_init(), 0x0);
bus_device_add(&t, device_ram_init(0xDFFF), 0x0);
return t;
}
@ -177,6 +177,8 @@ bus_load_file(bus_t *t, uint16_t addr, const char *filename)
close(fd);
rk65c02_log(LOG_DEBUG, "Loaded file %s at %x.", filename, addr);
return true;
}

10
src/device_ram.c
View File

@ -6,8 +6,6 @@
#include "bus.h"
#include "device.h"
#define RAM_SIZE 0xDFFF /* should be configurable */
uint8_t device_ram_read_1(void *, uint16_t);
void device_ram_write_1(void *, uint16_t, uint8_t);
@ -36,7 +34,7 @@ device_ram_write_1(void *vd, uint16_t offset, uint8_t val)
}
device_t *
device_ram_init()
device_ram_init(uint16_t size)
{
device_t *d;
@ -45,13 +43,13 @@ device_ram_init()
assert(d != NULL);
d->name = "RAM";
d->size = RAM_SIZE;
d->size = size;
d->read_1 = device_ram_read_1;
d->write_1 = device_ram_write_1;
d->aux = malloc(RAM_SIZE);
memset(d->aux, 0, RAM_SIZE);
d->aux = malloc(size);
memset(d->aux, 0, size);
return d;
}

2
src/device_ram.h
View File

@ -3,7 +3,7 @@
#include "device.h"
device_t * device_ram_init();
device_t * device_ram_init(uint16_t);
void device_ram_finish(device_t *);
#endif /* _DEVICE_RAM_H_ */