+// SPDX-License-Identifier: MIT
+
#include <stdio.h>
#include <stdlib.h>
#include <string.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"
+#include "a314/a314.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();
extern int ac_z2_current_pic;
extern int ac_z2_done;
extern uint8_t cdtv_mode;
extern uint8_t rtc_type;
extern unsigned char cdtv_sram[32 * SIZE_KILO];
+extern unsigned int a314_base;
#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;
+uint8_t a314_emulation_enabled = 0;
-extern uint32_t piscsi_base;
+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)) {
+ if (piscsi_enabled && addr >= piscsi_base && addr < piscsi_base + (64 * SIZE_KILO)) {
//printf("[Amiga-Custom] %s read from PISCSI base @$%.8X.\n", op_type_names[type], addr);
//stop_cpu_emulation(1);
*val = handle_piscsi_read(addr, type);
return 1;
}
+ if (a314_emulation_enabled && addr >= a314_base && addr < a314_base + (64 * SIZE_KILO)) {
+ //printf("%s read from A314 @$%.8X\n", op_type_names[type], addr);
+ switch (type) {
+ case OP_TYPE_BYTE:
+ *val = a314_read_memory_8(addr - a314_base);
+ return 1;
+ break;
+ case OP_TYPE_WORD:
+ *val = a314_read_memory_16(addr - a314_base);
+ return 1;
+ break;
+ case OP_TYPE_LONGWORD:
+ *val = a314_read_memory_32(addr - a314_base);
+ return 1;
+ break;
+ default:
+ break;
+ }
+ return 1;
+ }
+
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)) {
+ 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 @$%.8x: %.8X\n", op_type_names[type], addr, val);
handle_piscsi_write(addr, val, type);
return 1;
}
+ if (a314_emulation_enabled && addr >= a314_base && addr < a314_base + (64 * SIZE_KILO)) {
+ //printf("%s write to A314 @$%.8X: %d\n", op_type_names[type], addr, val);
+ switch (type) {
+ case OP_TYPE_BYTE:
+ a314_write_memory_8(addr - a314_base, val);
+ return 1;
+ break;
+ case OP_TYPE_WORD:
+ // Not implemented in a314.cc
+ //a314_write_memory_16(addr, val);
+ return -1;
+ break;
+ case OP_TYPE_LONGWORD:
+ // Not implemented in a314.cc
+ // a314_write_memory_32(addr, val);
+ return -1;
+ break;
+ default:
+ break;
+ }
+ }
+
return -1;
}
}
}
- 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");
}
}
+ if (pistorm_dev_enabled) {
+ add_z2_pic(ACTYPE_PISTORM_DEV, 0);
+ }
+
return 0;
}
+#define CHKVAR(a) (strcmp(var, a) == 0)
+
void setvar_amiga(struct emulator_config *cfg, char *var, char *val) {
if (!var)
return;
- if (strcmp(var, "enable_rtc_emulation") == 0) {
+ if CHKVAR("enable_rtc_emulation") {
int8_t rtc_enabled = 0;
if (!val || strlen(val) == 0)
rtc_enabled = 1;
configure_rtc_emulation_amiga(rtc_enabled);
}
}
- if (strcmp(var, "hdd0") == 0) {
+ if CHKVAR("hdd0") {
if (val && strlen(val) != 0)
set_hard_drive_image_file_amiga(0, val);
}
- if (strcmp(var, "hdd1") == 0) {
+ if CHKVAR("hdd1") {
if (val && strlen(val) != 0)
set_hard_drive_image_file_amiga(1, val);
}
- if (strcmp(var, "cdtv") == 0) {
+ if CHKVAR("cdtv") {
printf("[AMIGA] CDTV mode enabled.\n");
cdtv_mode = 1;
}
- if (strcmp(var, "rtg") == 0) {
- if (init_rtg_data()) {
+ if (CHKVAR("rtg") && !rtg_enabled) {
+ if (init_rtg_data(cfg)) {
printf("[AMIGA] RTG Enabled.\n");
rtg_enabled = 1;
adjust_ranges_amiga(cfg);
else
printf("[AMIGA} Failed to enable RTG.\n");
}
+ if CHKVAR("kick13") {
+ printf("[AMIGA] Kickstart 1.3 mode enabled, Z3 PICs will not be enumerated.\n");
+ kick13_mode = 1;
+ }
+ if CHKVAR("a314") {
+ int32_t res = a314_init();
+ if (res != 0) {
+ printf("[AMIGA] Failed to enable A314 emulation, error return code: %d.\n", res);
+ } else {
+ printf("[AMIGA] A314 emulation enabled.\n");
+ add_z2_pic(ACTYPE_A314, 0);
+ a314_emulation_enabled = 1;
+ }
+ }
+ if CHKVAR("a314_conf") {
+ if (val && strlen(val) != 0) {
+ a314_set_config_file(val);
+ }
+ }
// PiSCSI stuff
- if (strcmp(var, "piscsi") == 0) {
+ if (CHKVAR("piscsi") && !piscsi_enabled) {
printf("[AMIGA] PISCSI Interface Enabled.\n");
piscsi_enabled = 1;
piscsi_init();
- ac_z2_type[ac_z2_pic_count] = ACTYPE_PISCSI;
- ac_z2_pic_count++;
+ add_z2_pic(ACTYPE_PISCSI, 0);
adjust_ranges_amiga(cfg);
}
if (piscsi_enabled) {
- if (strcmp(var, "piscsi0") == 0) {
+ if CHKVAR("piscsi0") {
piscsi_map_drive(val, 0);
}
- if (strcmp(var, "piscsi1") == 0) {
+ if CHKVAR("piscsi1") {
piscsi_map_drive(val, 1);
}
- if (strcmp(var, "piscsi2") == 0) {
+ if CHKVAR("piscsi2") {
piscsi_map_drive(val, 2);
}
- if (strcmp(var, "piscsi3") == 0) {
+ if CHKVAR("piscsi3") {
piscsi_map_drive(val, 3);
}
- if (strcmp(var, "piscsi4") == 0) {
+ if CHKVAR("piscsi4") {
piscsi_map_drive(val, 4);
}
- if (strcmp(var, "piscsi5") == 0) {
+ if CHKVAR("piscsi5") {
piscsi_map_drive(val, 5);
}
- if (strcmp(var, "piscsi6") == 0) {
+ if CHKVAR("piscsi6") {
piscsi_map_drive(val, 6);
}
}
// Pi-Net stuff
- if (strcmp(var, "pi-net") == 0) {
+ if (CHKVAR("pi-net")&& !pinet_enabled) {
printf("[AMIGA] PI-NET Interface Enabled.\n");
pinet_enabled = 1;
pinet_init(val);
adjust_ranges_amiga(cfg);
}
+ if CHKVAR("no-pistorm-dev") {
+ pistorm_dev_enabled = 0;
+ printf("[AMIGA] Disabling PiStorm interaction device.\n");
+ }
+
// RTC stuff
- if (strcmp(var, "rtc_type") == 0) {
+ if CHKVAR("rtc_type") {
if (val && strlen(val) != 0) {
if (strcmp(val, "msm") == 0) {
printf("[AMIGA] RTC type set to MSM.\n");
}
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;
+ 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();
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;
+ }
+ if (a314_emulation_enabled) {
+ a314_emulation_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]);
}
}
projects / pistorm / blobdiff