+// SPDX-License-Identifier: MIT
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
-#include "../platforms.h"
#include "amiga-autoconf.h"
#include "amiga-registers.h"
-#include "../shared/rtc.h"
-#include "piscsi/piscsi.h"
-#include "piscsi/piscsi-enums.h"
-#include "net/pi-net.h"
+#include "hunk-reloc.h"
#include "net/pi-net-enums.h"
+#include "net/pi-net.h"
+#include "piscsi/piscsi-enums.h"
+#include "piscsi/piscsi.h"
+#include "pistorm-dev/pistorm-dev-enums.h"
+#include "pistorm-dev/pistorm-dev.h"
+#include "platforms/platforms.h"
+#include "platforms/shared/rtc.h"
#include "rtg/rtg.h"
+//#define DEBUG_AMIGA_PLATFORM
+
+#ifdef DEBUG_AMIGA_PLATFORM
+#define DEBUG printf
+#else
+#define DEBUG(...)
+#endif
+
+
int handle_register_read_amiga(unsigned int addr, unsigned char type, unsigned int *val);
int handle_register_write_amiga(unsigned int addr, unsigned int value, unsigned char type);
int init_rtg_data();
+void shutdown_rtg();
extern int ac_z2_current_pic;
extern int ac_z2_done;
#define min(a, b) (a < b) ? a : b
#define max(a, b) (a > b) ? a : b
-static uint8_t rtg_enabled = 0, piscsi_enabled = 0, pinet_enabled = 0;
+uint8_t rtg_enabled = 0, piscsi_enabled = 0, pinet_enabled = 0, kick13_mode = 0, pistorm_dev_enabled = 1;
-extern uint32_t piscsi_base;
-extern uint8_t piscsi_diag_read;
+extern uint32_t piscsi_base, pistorm_dev_base;
extern void stop_cpu_emulation(uint8_t disasm_cur);
inline int custom_read_amiga(struct emulator_config *cfg, unsigned int addr, unsigned int *val, unsigned char type) {
- if (!ac_z2_done && addr >= AC_Z2_BASE && addr < AC_Z2_BASE + AC_SIZE) {
- if (ac_z2_pic_count == 0) {
- ac_z2_done = 1;
+ if (kick13_mode)
+ ac_z3_done = 1;
+
+ if ((!ac_z2_done || !ac_z3_done) && addr >= AC_Z2_BASE && addr < AC_Z2_BASE + AC_SIZE) {
+ if (!ac_z2_done && ac_z2_current_pic < ac_z2_pic_count) {
+ if (type == OP_TYPE_BYTE) {
+ *val = autoconfig_read_memory_8(cfg, addr - AC_Z2_BASE);
+ return 1;
+ }
+ printf("Unexpected %s read from Z2 autoconf addr %.X\n", op_type_names[type], addr - AC_Z2_BASE);
return -1;
}
-
- if (type == OP_TYPE_BYTE) {
- *val = autoconfig_read_memory_8(cfg, addr);
- return 1;
+ if (!ac_z3_done && ac_z3_current_pic < ac_z3_pic_count) {
+ uint32_t addr_ = addr - AC_Z2_BASE;
+ if (addr_ & 0x02) {
+ addr_ = (addr_ - 2) + 0x100;
+ }
+ if (type == OP_TYPE_BYTE) {
+ *val = autoconfig_read_memory_z3_8(cfg, addr_ - AC_Z2_BASE);
+ return 1;
+ }
+ printf("Unexpected %s read from Z3 autoconf addr %.X\n", op_type_names[type], addr - AC_Z2_BASE);
+ return -1;
}
}
if (!ac_z3_done && addr >= AC_Z3_BASE && addr < AC_Z3_BASE + AC_SIZE) {
}
if (type == OP_TYPE_BYTE) {
- *val = autoconfig_read_memory_z3_8(cfg, addr);
+ *val = autoconfig_read_memory_z3_8(cfg, addr - AC_Z3_BASE);
return 1;
}
- else {
- printf("Unexpected %s read from Z3 autoconf addr %.X\n", op_type_names[type], addr - AC_Z3_BASE);
- //stop_emulation();
- }
+ printf("Unexpected %s read from Z3 autoconf addr %.X\n", op_type_names[type], addr - AC_Z3_BASE);
+ return -1;
+ }
+
+ if (pistorm_dev_enabled && addr >= pistorm_dev_base && addr < pistorm_dev_base + (64 * SIZE_KILO)) {
+ *val = handle_pistorm_dev_read(addr, type);
+ return 1;
}
- if (addr >= piscsi_base && addr < piscsi_base + (64 * SIZE_KILO)) {
- printf("[Amiga-Custom] %s read from PISCSI base @$%.8X.\n", op_type_names[type], addr);
+ if (piscsi_enabled && addr >= piscsi_base && addr < piscsi_base + (64 * SIZE_KILO)) {
+ //printf("[Amiga-Custom] %s read from PISCSI base @$%.8X.\n", op_type_names[type], addr);
//stop_cpu_emulation(1);
*val = handle_piscsi_read(addr, type);
return 1;
}
inline int custom_write_amiga(struct emulator_config *cfg, unsigned int addr, unsigned int val, unsigned char type) {
- if (!ac_z2_done && addr >= AC_Z2_BASE && addr < AC_Z2_BASE + AC_SIZE) {
- if (type == OP_TYPE_BYTE) {
- if (ac_z2_pic_count == 0) {
- ac_z2_done = 1;
- return -1;
+ if (kick13_mode)
+ ac_z3_done = 1;
+
+ if ((!ac_z2_done || !ac_z3_done) && addr >= AC_Z2_BASE && addr < AC_Z2_BASE + AC_SIZE) {
+ if (!ac_z2_done && ac_z2_current_pic < ac_z2_pic_count) {
+ if (type == OP_TYPE_BYTE) {
+ autoconfig_write_memory_8(cfg, addr - AC_Z2_BASE, val);
+ return 1;
}
-
- //printf("Write to Z2 autoconf area.\n");
- autoconfig_write_memory_8(cfg, addr, val);
- return 1;
+ printf("Unexpected %s write to Z2 autoconf addr %.X\n", op_type_names[type], addr - AC_Z2_BASE);
+ return -1;
+ }
+ if (!ac_z3_done && ac_z3_current_pic < ac_z3_pic_count) {
+ uint32_t addr_ = addr - AC_Z2_BASE;
+ if (addr_ & 0x02) {
+ addr_ = (addr_ - 2) + 0x100;
+ }
+ if (type == OP_TYPE_BYTE) {
+ autoconfig_write_memory_z3_8(cfg, addr_ - AC_Z2_BASE, val);
+ return 1;
+ }
+ else if (type == OP_TYPE_WORD) {
+ autoconfig_write_memory_z3_16(cfg, addr_ - AC_Z2_BASE, val);
+ return 1;
+ }
+ printf("Unexpected %s write to Z3 autoconf addr %.X\n", op_type_names[type], addr - AC_Z2_BASE);
+ return -1;
}
}
}
//printf("Write to autoconf area.\n");
- autoconfig_write_memory_z3_8(cfg, addr, val);
+ autoconfig_write_memory_z3_8(cfg, addr - AC_Z3_BASE, val);
return 1;
}
else if (type == OP_TYPE_WORD) {
- autoconfig_write_memory_z3_16(cfg, addr, val);
+ autoconfig_write_memory_z3_16(cfg, addr - AC_Z3_BASE, val);
return 1;
}
else {
}
}
- if (addr >= piscsi_base && addr < piscsi_base + (64 * SIZE_KILO)) {
- printf("[Amiga-Custom] %s write to PISCSI base @$%.8x: %.8X\n", op_type_names[type], addr, val);
+ if (pistorm_dev_enabled && addr >= pistorm_dev_base && addr < pistorm_dev_base + (64 * SIZE_KILO)) {
+ handle_pistorm_dev_write(addr, val, type);
+ return 1;
+ }
+
+ if (piscsi_enabled && addr >= piscsi_base && addr < piscsi_base + (64 * SIZE_KILO)) {
+ //printf("[Amiga-Custom] %s write to PISCSI base @$%.8x: %.8X\n", op_type_names[type], addr, val);
handle_piscsi_write(addr, val, type);
return 1;
}
cfg->custom_low = 0;
// Set up the min/max ranges for mapped reads/writes
- if (gayle_emulation_enabled) {
- cfg->mapped_low = GAYLEBASE;
- cfg->mapped_high = GAYLEBASE + GAYLESIZE;
- }
for (int i = 0; i < MAX_NUM_MAPPED_ITEMS; i++) {
if (cfg->map_type[i] != MAPTYPE_NONE) {
if ((cfg->map_offset[i] != 0 && cfg->map_offset[i] < cfg->mapped_low) || cfg->mapped_low == 0)
}
}
- if (ac_z2_pic_count && !ac_z2_done) {
+ if ((ac_z2_pic_count || ac_z3_pic_count) && (!ac_z2_done || !ac_z3_done)) {
if (cfg->custom_low == 0)
cfg->custom_low = AC_Z2_BASE;
else
cfg->custom_low = min(cfg->custom_low, AC_Z2_BASE);
cfg->custom_high = max(cfg->custom_high, AC_Z2_BASE + AC_SIZE);
}
- if (ac_z3_pic_count && !ac_z3_done) {
+ /*if (ac_z3_pic_count && !ac_z3_done) {
if (cfg->custom_low == 0)
cfg->custom_low = AC_Z3_BASE;
else
cfg->custom_low = min(cfg->custom_low, AC_Z3_BASE);
cfg->custom_high = max(cfg->custom_high, AC_Z3_BASE + AC_SIZE);
- }
+ }*/
if (rtg_enabled) {
if (cfg->custom_low == 0)
cfg->custom_low = PIGFX_RTG_BASE;
cfg->map_id[index][0] = '^';
int resize_data = 0;
if (cfg->map_size[index] > 8 * SIZE_MEGA) {
- printf("Attempted to configure more than 8MB of Z2 Fast RAM, downsizng to 8MB.\n");
+ printf("Attempted to configure more than 8MB of Z2 Fast RAM, downsizing to 8MB.\n");
resize_data = 8 * SIZE_MEGA;
}
else if(cfg->map_size[index] != 2 * SIZE_MEGA && cfg->map_size[index] != 4 * SIZE_MEGA && cfg->map_size[index] != 8 * SIZE_MEGA) {
cfg->map_data[index] = (unsigned char *)malloc(cfg->map_size[index]);
}
printf("%dMB of Z2 Fast RAM configured at $%lx\n", cfg->map_size[index] / SIZE_MEGA, cfg->map_offset[index]);
- ac_z2_type[ac_z2_pic_count] = ACTYPE_MAPFAST_Z2;
- ac_z2_index[ac_z2_pic_count] = index;
- ac_z2_pic_count++;
+ add_z2_pic(ACTYPE_MAPFAST_Z2, index);
+ //ac_z2_type[ac_z2_pic_count] = ACTYPE_MAPFAST_Z2;
+ //ac_z2_index[ac_z2_pic_count] = index;
+ //ac_z2_pic_count++;
}
else
printf("No Z2 Fast RAM configured.\n");
index = get_named_mapped_item(cfg, z2_autoconf_id);
if (index != -1)
goto more_z2_fast;
-
+
for (int i = 0; i < MAX_NUM_MAPPED_ITEMS; i ++) {
// Restore any "zapped" autoconf items so they can be reinitialized if needed.
if (cfg->map_id[i] && strcmp(cfg->map_id[i], z2_autoconf_zap_id) == 0) {
fclose(in);
}
}
-
+
+ if (pistorm_dev_enabled) {
+ add_z2_pic(ACTYPE_PISTORM_DEV, 0);
+ }
+
return 0;
}
printf("[AMIGA] CDTV mode enabled.\n");
cdtv_mode = 1;
}
- if (strcmp(var, "rtg") == 0) {
+ if (strcmp(var, "rtg") == 0 && !rtg_enabled) {
if (init_rtg_data()) {
printf("[AMIGA] RTG Enabled.\n");
rtg_enabled = 1;
else
printf("[AMIGA} Failed to enable RTG.\n");
}
+ if (strcmp(var, "kick13") == 0) {
+ printf("[AMIGA] Kickstart 1.3 mode enabled, Z3 PICs will not be enumerated.\n");
+ kick13_mode = 1;
+ }
// PiSCSI stuff
- if (strcmp(var, "piscsi") == 0) {
+ if (strcmp(var, "piscsi") == 0 && !piscsi_enabled) {
printf("[AMIGA] PISCSI Interface Enabled.\n");
piscsi_enabled = 1;
piscsi_init();
- //ac_z2_type[ac_z2_pic_count] = ACTYPE_PSICSI;
+ add_z2_pic(ACTYPE_PISCSI, 0);
+ //ac_z2_type[ac_z2_pic_count] = ACTYPE_PISCSI;
//ac_z2_pic_count++;
adjust_ranges_amiga(cfg);
}
}
// Pi-Net stuff
- if (strcmp(var, "pi-net") == 0) {
+ if (strcmp(var, "pi-net") == 0 && !pinet_enabled) {
printf("[AMIGA] PI-NET Interface Enabled.\n");
pinet_enabled = 1;
pinet_init(val);
adjust_ranges_amiga(cfg);
}
+ if (strcmp(var, "no-pistorm-dev") == 0) {
+ pistorm_dev_enabled = 0;
+ printf("[AMIGA] Disabling PiStorm interaction device.\n");
+ }
+
// RTC stuff
if (strcmp(var, "rtc_type") == 0) {
if (val && strlen(val) != 0) {
}
void handle_reset_amiga(struct emulator_config *cfg) {
- ac_z3_done = 0;
- ac_z2_done = 0;
+ ac_z2_done = (ac_z2_pic_count == 0);
+ ac_z3_done = (ac_z3_pic_count == 0);
ac_z2_current_pic = 0;
ac_z3_current_pic = 0;
- piscsi_diag_read = 0;
+
+ DEBUG("[AMIGA] Reset handler.\n");
+ DEBUG("[AMIGA] AC done - Z2: %d Z3: %d.\n", ac_z2_done, ac_z3_done);
+
+ if (piscsi_enabled)
+ piscsi_refresh_drives();
adjust_ranges_amiga(cfg);
}
printf("Failed to write CDTV SRAM to disk.\n");
}
}
+ if (cfg->platform->subsys) {
+ free(cfg->platform->subsys);
+ }
+ if (piscsi_enabled) {
+ piscsi_shutdown();
+ piscsi_enabled = 0;
+ }
+ if (rtg_enabled) {
+ shutdown_rtg();
+ rtg_enabled = 0;
+ }
+ if (pinet_enabled) {
+ pinet_enabled = 0;
+ }
+
+ cdtv_mode = 0;
+
+ autoconfig_reset_all();
+ printf("[AMIGA] Platform shutdown completed.\n");
}
void create_platform_amiga(struct platform_config *cfg, char *subsys) {
if (subsys) {
cfg->subsys = malloc(strlen(subsys) + 1);
strcpy(cfg->subsys, subsys);
- for (int i = 0; i < strlen(cfg->subsys); i++) {
+ for (unsigned int i = 0; i < strlen(cfg->subsys); i++) {
cfg->subsys[i] = tolower(cfg->subsys[i]);
}
}