#include "../pico_int.h"
#include "../memory.h"
+#include "eeprom_spi.h"
+static int have_bank(u32 base)
+{
+ // the loader allocs in 512K quantities
+ if (base >= Pico.romsize) {
+ elprintf(EL_ANOMALY|EL_STATUS, "carthw: missing bank @ %06x", base);
+ return 0;
+ }
+ return 1;
+}
+
/* The SSFII mapper */
static unsigned char ssf2_banks[8];
ssf2_banks[a >> 1] = d;
base = d << 19;
target = a << 18;
- if (base + 0x80000 > Pico.romsize) {
- elprintf(EL_ANOMALY|EL_STATUS, "ssf2: missing bank @ %06x", base);
+ if (!have_bank(base))
return;
- }
cpu68k_map_set(m68k_read8_map, target, target + 0x80000 - 1, Pico.rom + base, 0);
cpu68k_map_set(m68k_read16_map, target, target + 0x80000 - 1, Pico.rom + base, 0);
{
{ CHUNK_CARTHW, sizeof(pier_regs), pier_regs },
{ CHUNK_CARTHW + 1, sizeof(pier_dump_prot), &pier_dump_prot },
+ { CHUNK_CARTHW + 2, 0, NULL }, // filled later
{ 0, 0, NULL }
};
base = d << 19;
goto do_map;
case 0x09:
- // TODO
+ Pico.sv.changed = 1;
+ eeprom_spi_write(d);
break;
case 0x0b:
// eeprom read
return;
do_map:
- if (base + 0x80000 > Pico.romsize) {
- elprintf(EL_ANOMALY|EL_STATUS, "pier: missing bank @ %06x", base);
+ if (!have_bank(base))
return;
- }
+
cpu68k_map_set(m68k_read8_map, target, target + 0x80000 - 1, Pico.rom + base, 0);
cpu68k_map_set(m68k_read16_map, target, target + 0x80000 - 1, Pico.rom + base, 0);
}
return PicoRead8_io(a);
if (a == 0xa1300b)
- return 0; // TODO
+ return eeprom_spi_read(a);
elprintf(EL_UIO, "pier r8 [%06x] @%06x", a, SekPc);
return 0;
{
pier_regs[0] = 1;
pier_regs[1] = pier_regs[2] = pier_regs[3] = 0;
- pier_dump_prot = 3;
carthw_pier_statef();
+ eeprom_spi_init(NULL);
}
void carthw_pier_startup(void)
{
+ void *eeprom_state;
+ int eeprom_size = 0;
int i;
elprintf(EL_STATUS, "Pier Solar mapper startup");
return;
}
+ pier_dump_prot = 3;
+
// create dump protection bank
for (i = 0; i < M68K_BANK_SIZE; i += 0x8000)
memcpy(Pico.rom + Pico.romsize + i, Pico.rom, 0x8000);
+ // save EEPROM
+ eeprom_state = eeprom_spi_init(&eeprom_size);
+ Pico.sv.flags = 0;
+ Pico.sv.size = 0x10000;
+ Pico.sv.data = calloc(1, Pico.sv.size);
+ if (!Pico.sv.data)
+ Pico.sv.size = 0;
+ carthw_pier_state[2].ptr = eeprom_state;
+ carthw_pier_state[2].size = eeprom_size;
+
PicoCartMemSetup = carthw_pier_mem_setup;
PicoResetHook = carthw_pier_reset;
PicoLoadStateHook = carthw_pier_statef;
PicoCartMemSetup = carthw_prot_lk3_mem_setup;
}
+// vim:ts=2:sw=2:expandtab