-#include "../platforms.h"
+// SPDX-License-Identifier: MIT
+
+#include "platforms/platforms.h"
#include "amiga-autoconf.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#define Z2_Z2 0xC
+#define Z2_FAST 0x2
+#define Z2_BOOTROM 0x1
+
static unsigned char ac_fast_ram_rom[] = {
- 0xe, AC_MEM_SIZE_8MB, // 00/02, link into memory free list, 8 MB
- 0x6, 0x9, // 04/06, product id
+ Z2_Z2 | Z2_FAST, AC_MEM_SIZE_8MB, // 00/02, link into memory free list, 8 MB
+ 0x6, 0x9, // 06/09, product id
0x8, 0x0, // 08/0a, preference to 8 MB space
0x0, 0x0, // 0c/0e, reserved
- 0x0, 0x7, 0xd, 0xb, // 10/12/14/16, mfg id
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0 // 18/.../26, serial
+ 0x0, 0x7, 0xD, 0xB, // 10/12/14/16, mfg id
+ 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x0, // 18/.../26, serial
+ 0x0, 0x0, 0x0, 0x0, // Optional BOOT ROM vector
+};
+
+unsigned char ac_piscsi_rom[] = {
+ Z2_Z2 | Z2_BOOTROM, AC_MEM_SIZE_64KB, // 00/01, Z2, bootrom, 64 KB
+ 0x6, 0xA, // 06/0A, product id
+ 0x0, 0x0, // 00/0a, any space where it fits
+ 0x0, 0x0, // 0c/0e, reserved
+ 0x0, 0x7, 0xD, 0xB, // 10/12/14/16, mfg id
+ 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2, 0x1, // 18/.../26, serial
+ 0x4, 0x0, 0x0, 0x0, // Optional BOOT ROM vector
};
static unsigned char ac_a314_rom[] = {
0x0, 0x0, // 08/0a, any space okay
0x0, 0x0, // 0c/0e, reserved
0x0, 0x7, 0xd, 0xb, // 10/12/14/16, mfg id
- 0xa, 0x3, 0x1, 0x4, 0x0, 0x0, 0x0, 0x0 // 18/.../26, serial
+ 0xa, 0x3, 0x1, 0x4, 0x0, 0x0, 0x0, 0x0, // 18/.../26, serial
+ 0x0, 0x0, 0x0, 0x0, // Optional BOOT ROM vector
};
int ac_z2_current_pic = 0;
int ac_z3_type[AC_PIC_LIMIT];
int ac_z3_index[AC_PIC_LIMIT];
+uint32_t piscsi_base = 0;
+extern uint8_t *piscsi_rom_ptr;
unsigned char get_autoconf_size(int size) {
if (size == 8 * SIZE_MEGA)
return AC_MEM_SIZE_EXT_64MB;
}
-unsigned int autoconfig_read_memory_z3_8(struct emulator_config *cfg, unsigned int address_) {
- int address = address_ - AC_Z3_BASE;
+extern void adjust_ranges_amiga(struct emulator_config *cfg);
+
+unsigned int autoconfig_read_memory_z3_8(struct emulator_config *cfg, unsigned int address) {
int index = ac_z3_index[ac_z3_current_pic];
unsigned char val = 0;
- if ((address & 0xFF) >= AC_Z3_REG_RES50 && (address & 0xFF) <= AC_Z3_REG_RES7C)
+ if ((address & 0xFF) >= AC_Z3_REG_RES50 && (address & 0xFF) <= AC_Z3_REG_RES7C) {
val = 0;
+ }
else {
switch(address & 0xFF) {
case AC_Z3_REG_ER_TYPE:
case AC_Z3_REG_ER_RES0E:
case AC_Z3_REG_ER_RES0F:
case AC_Z3_REG_ER_Z2_INT:
+ val = 0;
+ break;
default:
val = 0;
break;
int nib_latch = 0;
-void autoconfig_write_memory_z3_8(struct emulator_config *cfg, unsigned int address_, unsigned int value) {
- int address = address_ - AC_Z3_BASE;
+void autoconfig_write_memory_z3_8(struct emulator_config *cfg, unsigned int address, unsigned int value) {
int index = ac_z3_index[ac_z3_current_pic];
unsigned char val = (unsigned char)value;
int done = 0;
if (done) {
nib_latch = 0;
- printf("Address of Z3 autoconf RAM assigned to $%.8x\n", ac_base[ac_z3_current_pic]);
+ printf("Address of Z3 autoconf RAM assigned to $%.8x [B]\n", ac_base[ac_z3_current_pic]);
cfg->map_offset[index] = ac_base[ac_z3_current_pic];
+ cfg->map_high[index] = cfg->map_offset[index] + cfg->map_size[index];
+ m68k_add_ram_range(cfg->map_offset[index], cfg->map_high[index], cfg->map_data[index]);
ac_z3_current_pic++;
- if (ac_z3_current_pic == ac_z3_pic_count)
+ if (ac_z3_current_pic == ac_z3_pic_count) {
ac_z3_done = 1;
+ adjust_ranges_amiga(cfg);
+ }
}
return;
}
-void autoconfig_write_memory_z3_16(struct emulator_config *cfg, unsigned int address_, unsigned int value) {
- int address = address_ - AC_Z3_BASE;
+void autoconfig_write_memory_z3_16(struct emulator_config *cfg, unsigned int address, unsigned int value) {
int index = ac_z3_index[ac_z3_current_pic];
unsigned short val = (unsigned short)value;
int done = 0;
switch(address & 0xFF) {
case AC_Z3_REG_WR_ADDR_HI:
- // This is, as far as I know, the only regiter it should write a 16-bit value to.
+ // This is, as far as I know, the only register it should write a 16-bit value to.
ac_base[ac_z3_current_pic] = (ac_base[ac_z3_current_pic] & 0x00000000) | (val << 16);
done = 1;
break;
}
if (done) {
- printf("Address of Z3 autoconf RAM assigned to $%.8x\n", ac_base[ac_z3_current_pic]);
+ printf("Address of Z3 autoconf RAM assigned to $%.8x [W]\n", ac_base[ac_z3_current_pic]);
cfg->map_offset[index] = ac_base[ac_z3_current_pic];
+ cfg->map_high[index] = cfg->map_offset[index] + cfg->map_size[index];
+ m68k_add_ram_range(cfg->map_offset[index], cfg->map_high[index], cfg->map_data[index]);
ac_z3_current_pic++;
if (ac_z3_current_pic == ac_z3_pic_count)
ac_z3_done = 1;
return;
}
-unsigned int autoconfig_read_memory_8(struct emulator_config *cfg, unsigned int address_) {
+unsigned int autoconfig_read_memory_8(struct emulator_config *cfg, unsigned int address) {
unsigned char *rom = NULL;
- int address = address_ - AC_Z2_BASE;
unsigned char val = 0;
switch(ac_z2_type[ac_z2_current_pic]) {
case ACTYPE_A314:
rom = ac_a314_rom;
break;
+ case ACTYPE_PISCSI:
+ rom = ac_piscsi_rom;
+ break;
default:
return 0;
break;
}
-
+
if ((address & 1) == 0 && (address / 2) < (int)sizeof(ac_fast_ram_rom)) {
if (ac_z2_type[ac_z2_current_pic] == ACTYPE_MAPFAST_Z2 && address / 2 == 1) {
val = get_autoconf_size(cfg->map_size[ac_z2_index[ac_z2_current_pic]]);
//printf("Read byte %d from Z2 autoconf for PIC %d (%.2X).\n", address/2, ac_z2_current_pic, val);
}
val <<= 4;
- if (address != 0 && address != 2 && address != 40 && address != 42)
+ if (address != 0 && address != 2 && address != 0x40 && address != 0x42)
val ^= 0xff;
-
+
return (unsigned int)val;
}
-void autoconfig_write_memory_8(struct emulator_config *cfg, unsigned int address_, unsigned int value) {
- int address = address_ - AC_Z2_BASE;
+void autoconfig_write_memory_8(struct emulator_config *cfg, unsigned int address, unsigned int value) {
int done = 0;
+ int index = ac_z2_index[ac_z2_current_pic];
unsigned int *base = NULL;
case ACTYPE_A314:
//base = &a314_base;
break;
+ case ACTYPE_PISCSI:
+ base = &piscsi_base;
+ break;
default:
break;
}
}
if (done) {
- printf("Address of Z2 autoconf RAM assigned to $%.8x\n", ac_base[ac_z2_current_pic]);
- cfg->map_offset[ac_z2_index[ac_z2_current_pic]] = ac_base[ac_z2_current_pic];
+ switch (ac_z2_type[ac_z2_current_pic]) {
+ case ACTYPE_MAPFAST_Z2:
+ cfg->map_offset[index] = ac_base[ac_z2_current_pic];
+ cfg->map_high[index] = cfg->map_offset[index] + cfg->map_size[index];
+ printf("Address of Z2 autoconf RAM assigned to $%.8x\n", ac_base[ac_z2_current_pic]);
+ m68k_add_ram_range(cfg->map_offset[index], cfg->map_high[index], cfg->map_data[index]);
+ printf("Z2 PIC %d at $%.8lX-%.8lX, Size: %d MB\n", ac_z2_current_pic, cfg->map_offset[index], cfg->map_high[index], cfg->map_size[index] / SIZE_MEGA);
+ break;
+ case ACTYPE_PISCSI:
+ printf("PiSCSI Z2 device assigned to $%.8x\n", piscsi_base);
+ //m68k_add_rom_range(piscsi_base + (16 * SIZE_KILO), piscsi_base + (32 * SIZE_KILO), piscsi_rom_ptr);
+ break;
+ default:
+ break;
+ }
ac_z2_current_pic++;
- if (ac_z2_current_pic == ac_z2_pic_count)
+ if (ac_z2_current_pic == ac_z2_pic_count) {
ac_z2_done = 1;
+ adjust_ranges_amiga(cfg);
+ }
}
}
projects / pistorm / blobdiff