#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 "hunk-reloc.h"
+#include "piscsi/piscsi.h"
+#include "piscsi/piscsi-enums.h"
+#include "net/pi-net.h"
+#include "net/pi-net-enums.h"
+#include "rtg/rtg.h"
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 int ac_z2_pic_count;
extern int ac_z2_type[AC_PIC_LIMIT];
extern int ac_z2_index[AC_PIC_LIMIT];
+extern int ac_z3_current_pic;
extern int ac_z3_pic_count;
extern int ac_z3_done;
extern int ac_z3_type[AC_PIC_LIMIT];
char *z3_autoconf_zap_id = "^3_autoconf_fast";
extern const char *op_type_names[OP_TYPE_NUM];
+extern uint8_t cdtv_mode;
+extern uint8_t rtc_type;
+extern unsigned char cdtv_sram[32 * SIZE_KILO];
#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;
+
+extern uint32_t piscsi_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) {
}
}
+ if (addr >= piscsi_base && addr < piscsi_base + (64 * SIZE_KILO)) {
+ //printf("[Amiga-Custom] %s read from PISCSI base @$%.8X.\n", op_type_names[type], addr);
+ //stop_cpu_emulation(1);
+ *val = handle_piscsi_read(addr, type);
+ return 1;
+ }
+
return -1;
}
}
}
+ if (addr >= piscsi_base && addr < piscsi_base + (64 * SIZE_KILO)) {
+ //printf("[Amiga-Custom] %s write to PISCSI base @$%.8x: %.8X\n", op_type_names[type], addr, val);
+ handle_piscsi_write(addr, val, type);
+ return 1;
+ }
+
return -1;
}
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;
+ else
+ cfg->custom_low = min(cfg->custom_low, PIGFX_RTG_BASE);
+ cfg->custom_high = max(cfg->custom_high, PIGFX_UPPER);
+ }
+ if (piscsi_enabled) {
+ if (cfg->custom_low == 0)
+ cfg->custom_low = PISCSI_OFFSET;
+ else
+ cfg->custom_low = min(cfg->custom_low, PISCSI_OFFSET);
+ cfg->custom_high = max(cfg->custom_high, PISCSI_UPPER);
+ if (piscsi_base != 0) {
+ cfg->custom_low = min(cfg->custom_low, piscsi_base);
+ }
+ }
+ if (pinet_enabled) {
+ if (cfg->custom_low == 0)
+ cfg->custom_low = PINET_OFFSET;
+ else
+ cfg->custom_low = min(cfg->custom_low, PINET_OFFSET);
+ cfg->custom_high = max(cfg->custom_high, PINET_UPPER);
+ }
printf("Platform custom range: %.8X-%.8X\n", cfg->custom_low, cfg->custom_high);
printf("Platform mapped range: %.8X-%.8X\n", cfg->mapped_low, cfg->mapped_high);
}
int setup_platform_amiga(struct emulator_config *cfg) {
- if (cfg) {}
printf("Performing setup for Amiga platform.\n");
+
+ if (strlen(cfg->platform->subsys)) {
+ printf("Subsystem is [%s]\n", cfg->platform->subsys);
+ if (strcmp(cfg->platform->subsys, "4000") == 0 || strcmp(cfg->platform->subsys, "3000") == 0) {
+ printf("Adjusting Gayle accesses for A3000/4000 Kickstart.\n");
+ adjust_gayle_4000();
+ }
+ else if (strcmp(cfg->platform->subsys, "1200") == 0 || strcmp(cfg->platform->subsys, "cd32") == 0) {
+ printf("Adjusting Gayle accesses for A1200/CD32 Kickstart.\n");
+ adjust_gayle_1200();
+ }
+ else if (strcmp(cfg->platform->subsys, "cdtv") == 0) {
+ printf("Configuring platform for CDTV emulation.\n");
+ cdtv_mode = 1;
+ rtc_type = RTC_TYPE_MSM;
+ }
+ }
+ else
+ printf("No sub system specified.\n");
+
// Look for Z2 autoconf Fast RAM by id
int index = get_named_mapped_item(cfg, z2_autoconf_id);
more_z2_fast:;
}
}
+ index = get_named_mapped_item(cfg, "cpu_slot_ram");
+ if (index != -1) {
+ m68k_add_ram_range((uint32_t)cfg->map_offset[index], (uint32_t)cfg->map_high[index], cfg->map_data[index]);
+ }
+
adjust_ranges_amiga(cfg);
+
+ if (cdtv_mode) {
+ FILE *in = fopen("data/cdtv.sram", "rb");
+ if (in != NULL) {
+ printf("Loaded CDTV SRAM.\n");
+ fread(cdtv_sram, 32 * SIZE_KILO, 1, in);
+ fclose(in);
+ }
+ }
return 0;
}
-void setvar_amiga(char *var, char *val) {
+void setvar_amiga(struct emulator_config *cfg, char *var, char *val) {
if (!var)
return;
if (val && strlen(val) != 0)
set_hard_drive_image_file_amiga(0, val);
}
+ if (strcmp(var, "hdd1") == 0) {
+ if (val && strlen(val) != 0)
+ set_hard_drive_image_file_amiga(1, val);
+ }
+ if (strcmp(var, "cdtv") == 0) {
+ printf("[AMIGA] CDTV mode enabled.\n");
+ cdtv_mode = 1;
+ }
+ if (strcmp(var, "rtg") == 0) {
+ if (init_rtg_data()) {
+ printf("[AMIGA] RTG Enabled.\n");
+ rtg_enabled = 1;
+ adjust_ranges_amiga(cfg);
+ }
+ else
+ printf("[AMIGA} Failed to enable RTG.\n");
+ }
+
+ // PiSCSI stuff
+ if (strcmp(var, "piscsi") == 0) {
+ printf("[AMIGA] PISCSI Interface Enabled.\n");
+ piscsi_enabled = 1;
+ piscsi_init();
+ ac_z2_type[ac_z2_pic_count] = ACTYPE_PISCSI;
+ ac_z2_pic_count++;
+ adjust_ranges_amiga(cfg);
+ }
+ if (piscsi_enabled) {
+ if (strcmp(var, "piscsi0") == 0) {
+ piscsi_map_drive(val, 0);
+ }
+ if (strcmp(var, "piscsi1") == 0) {
+ piscsi_map_drive(val, 1);
+ }
+ if (strcmp(var, "piscsi2") == 0) {
+ piscsi_map_drive(val, 2);
+ }
+ if (strcmp(var, "piscsi3") == 0) {
+ piscsi_map_drive(val, 3);
+ }
+ if (strcmp(var, "piscsi4") == 0) {
+ piscsi_map_drive(val, 4);
+ }
+ if (strcmp(var, "piscsi5") == 0) {
+ piscsi_map_drive(val, 5);
+ }
+ if (strcmp(var, "piscsi6") == 0) {
+ piscsi_map_drive(val, 6);
+ }
+ }
+
+ // Pi-Net stuff
+ if (strcmp(var, "pi-net") == 0) {
+ printf("[AMIGA] PI-NET Interface Enabled.\n");
+ pinet_enabled = 1;
+ pinet_init(val);
+ adjust_ranges_amiga(cfg);
+ }
+
+ // RTC stuff
+ if (strcmp(var, "rtc_type") == 0) {
+ if (val && strlen(val) != 0) {
+ if (strcmp(val, "msm") == 0) {
+ printf("[AMIGA] RTC type set to MSM.\n");
+ rtc_type = RTC_TYPE_MSM;
+ }
+ else {
+ printf("[AMIGA] RTC type set to Ricoh.\n");
+ rtc_type = RTC_TYPE_RICOH;
+ }
+ }
+ }
}
void handle_reset_amiga(struct emulator_config *cfg) {
ac_z3_done = 0;
ac_z2_done = 0;
+ ac_z2_current_pic = 0;
+ ac_z3_current_pic = 0;
+
+ if (piscsi_enabled)
+ piscsi_refresh_drives();
adjust_ranges_amiga(cfg);
}
+void shutdown_platform_amiga(struct emulator_config *cfg) {
+ if (cfg) {}
+ if (cdtv_mode) {
+ FILE *out = fopen("data/cdtv.sram", "wb+");
+ if (out != NULL) {
+ printf("Saving CDTV SRAM.\n");
+ fwrite(cdtv_sram, 32 * SIZE_KILO, 1, out);
+ fclose(out);
+ }
+ else {
+ printf("Failed to write CDTV SRAM to disk.\n");
+ }
+ }
+}
+
void create_platform_amiga(struct platform_config *cfg, char *subsys) {
cfg->register_read = handle_register_read_amiga;
cfg->register_write = handle_register_write_amiga;
cfg->custom_write = custom_write_amiga;
cfg->platform_initial_setup = setup_platform_amiga;
cfg->handle_reset = handle_reset_amiga;
+ cfg->shutdown = shutdown_platform_amiga;
cfg->setvar = setvar_amiga;
cfg->id = PLATFORM_AMIGA;
if (subsys) {
cfg->subsys = malloc(strlen(subsys) + 1);
strcpy(cfg->subsys, subsys);
+ for (int i = 0; i < strlen(cfg->subsys); i++) {
+ cfg->subsys[i] = tolower(cfg->subsys[i]);
+ }
}
}
projects / pistorm / blobdiff