EXENAME = emulator
-MAINFILES = emulator.c Gayle.c ide.c memory_mapped.c config_file/config_file.c registers/registers_amiga.c input/input.c
+MAINFILES = emulator.c \
+ Gayle.c \
+ ide.c \
+ memory_mapped.c \
+ config_file/config_file.c \
+ input/input.c \
+ platforms/platforms.c \
+ platforms/amiga/amiga-autoconf.c \
+ platforms/amiga/amiga-platform.c \
+ platforms/amiga/amiga-registers.c \
+ platforms/dummy/dummy-platform.c \
+ platforms/dummy/dummy-registers.c
+
MUSASHIFILES = m68kcpu.c softfloat/softfloat.c
MUSASHIGENCFILES = m68kops.c
MUSASHIGENHFILES = m68kops.h
-#include "config_file.h"
+#include "../platforms/platforms.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
"loopcycles",
"mouse",
"keyboard",
+ "platform",
};
const char *mapcmd_names[MAPCMD_NUM] = {
}
fseek(in, 0, SEEK_SET);
cfg->map_data[index] = (unsigned char *)calloc(1, cfg->map_size[index]);
+ cfg->rom_size[index] = (cfg->map_size[index] <= file_size) ? cfg->map_size[index] : file_size;
if (!cfg->map_data[index]) {
printf("ERROR: Unable to allocate memory for mapped ROM!\n");
goto mapping_failed;
}
memset(cfg->map_data[index], 0x00, cfg->map_size[index]);
- fread(cfg->map_data[index], (cfg->map_size[index] <= file_size) ? cfg->map_size[index] : file_size, 1, in);
+ fread(cfg->map_data[index], cfg->rom_size[index], 1, in);
fclose(in);
break;
case MAPTYPE_REGISTER:
break;
}
- printf("[MAP %d] Added %s mapping for range %.8lX-%.8lX (%lX)\n", index, map_type_names[type], cfg->map_offset[index], cfg->map_offset[index] + cfg->map_size[index] - 1, (uint64_t)cfg->map_data[index]);
+ printf("[MAP %d] Added %s mapping for range %.8lX-%.8lX ID: %s\n", index, map_type_names[type], cfg->map_offset[index], cfg->map_offset[index] + cfg->map_size[index] - 1, cfg->map_id[index] ? cfg->map_id[index] : "None");
return;
cfg->keyboard_toggle_key = cur_cmd[0];
printf("Enabled keyboard event forwarding, toggle key %c.\n", cfg->keyboard_toggle_key);
break;
+ case CONFITEM_PLATFORM: {
+ char platform_name[128], platform_sub[128];
+ memset(platform_name, 0x00, 128);
+ memset(platform_sub, 0x00, 128);
+ get_next_string(parse_line, platform_name, &str_pos, ' ');
+ printf("Setting platform to %s", platform_name);
+ get_next_string(parse_line, platform_sub, &str_pos, ' ');
+ if (strlen(platform_sub))
+ printf(" (sub: %s)", platform_sub);
+ printf("\n");
+ cfg->platform = make_platform_config(platform_name, platform_sub);
+ break;
+ }
case CONFITEM_NONE:
default:
printf("Unknown config item %s on line %d.\n", cur_cmd, cur_line);
return cfg;
}
+
+int get_named_mapped_item(struct emulator_config *cfg, char *name) {
+ if (strlen(name) == 0)
+ return -1;
+
+ for (int i = 0; i < MAX_NUM_MAPPED_ITEMS; i++) {
+ if (cfg->map_type[i] == MAPTYPE_NONE || !cfg->map_id[i])
+ continue;
+ if (strcmp(name, cfg->map_id[i]) == 0)
+ return i;
+ }
+
+ return -1;
+}
CONFITEM_LOOPCYCLES,
CONFITEM_MOUSE,
CONFITEM_KEYBOARD,
+ CONFITEM_PLATFORM,
CONFITEM_NUM,
} config_items;
unsigned char map_type[MAX_NUM_MAPPED_ITEMS];
long map_offset[MAX_NUM_MAPPED_ITEMS];
unsigned int map_size[MAX_NUM_MAPPED_ITEMS];
+ unsigned int rom_size[MAX_NUM_MAPPED_ITEMS];
unsigned char *map_data[MAX_NUM_MAPPED_ITEMS];
int map_mirror[MAX_NUM_MAPPED_ITEMS];
char *map_id[MAX_NUM_MAPPED_ITEMS];
+ struct platform_config *platform;
+
char *mouse_file;
char mouse_toggle_key, keyboard_toggle_key;
unsigned int loop_cycles;
};
+struct platform_config {
+ char *subsys;
+
+ int (*custom_read)(struct emulator_config *cfg, unsigned int addr, unsigned int *val, unsigned char type);
+ int (*custom_write)(struct emulator_config *cfg, unsigned int addr, unsigned int val, unsigned char type);
+
+ int (*register_read)(unsigned int addr, unsigned char type, unsigned int *val);
+ int (*register_write)(unsigned int addr, unsigned int value, unsigned char type);
+
+ int (*platform_initial_setup)(struct emulator_config *cfg);
+ void (*setvar)(char *var, char *val);
+};
+
unsigned int get_m68k_cpu_type(char *name);
struct emulator_config *load_config_file(char *filename);
int handle_mapped_read(struct emulator_config *cfg, unsigned int addr, unsigned int *val, unsigned char type, unsigned char mirror);
int handle_mapped_write(struct emulator_config *cfg, unsigned int addr, unsigned int value, unsigned char type, unsigned char mirror);
-int handle_register_read(unsigned int addr, unsigned char type, unsigned int *val);
-int handle_register_write(unsigned int addr, unsigned int value, unsigned char type);
+int get_named_mapped_item(struct emulator_config *cfg, char *name);
# Sets CPU type. Valid types are (probably) 68000, 68010, 68020, 68EC020, 68030, 68EC030, 68040, 68EC040, 68LC040 and some STTTT thing.
cpu 68020
# Map 512KB kickstart ROM to default offset.
-map type=rom address=0xF80000 size=0x80000 file=kick512.rom ovl=0
-# This is for mapping a 256KB kickstart ROM. I can probably add some additional thing about kicking this file into low/high area.
-#map type=rom address=0xFC0000 size=0x40000 file=kick256.rom ovl=0
+map type=rom address=0xF80000 size=0x80000 file=kick.rom ovl=0
# Want to map an extended ROM, such as CDTV or CD32?
-#map type=rom address=0xF00000 size=0x90000 file=cdtv.rom
-# Map 256MB of Fast RAM at 0x8000000.
-map type=ram address=0x08000000 size=128M
+#map type=rom address=0xF00000 size=0x80000 file=cdtv.rom
+
+# Map 128MB of Fast RAM at 0x8000000.
+map type=ram address=0x08000000 size=128M id=cpu_slot_ram
+# Map 128MB of Z3 Fast. Note that the address here is not actually used, as it gets auto-assigned by Kickstart itself.
+# Enabling Z3 fast requires a Kickstart that actually supports Zorro III, for instance from an A3000 or A4000.
+#map type=ram address=0x10000000 size=128M id=z3_autoconf_fast
+# Max 8MB of Z2 Fast can be mapped due to addressing space limitations, but for instance 2+4MB can be chained to leave 2MB for something else.
+#map type=ram address=0x200000 size=8M id=z2_autoconf_fast
+#map type=ram address=0x200000 size=2M id=z2_autoconf_fast
+#map type=ram address=0x400000 size=4M id=z2_autoconf_fast
+
+# This is fake Chip RAM, do not use on a real Amiga.
+#map type=ram address=0x0 size=2M
+
# Map Gayle as a register range.
map type=register address=0xD80000 size=0x70000
# Number of instructions to run every main loop.
loopcycles 300
+# Set the platform to Amiga to enable all the registers and stuff.
+platform amiga
+
# Forward mouse events to host system, defaults to off unless toggle key is pressed on the Pi.
# Syntax is mouse [device] [toggle key]
#mouse /dev/input/mouse0 m
#include "ide.h"
#include "m68k.h"
#include "main.h"
-#include "config_file/config_file.h"
+#include "platforms/platforms.h"
#include "input/input.h"
//#define BCM2708_PERI_BASE 0x20000000 //pi0-1
#define KICKBASE 0xF80000
#define KICKSIZE 0x7FFFF
-int mem_fd, mouse_fd = -1;
+int mem_fd, mouse_fd = -1, keyboard_fd = -1;
int mem_fd_gpclk;
int gayle_emulation_enabled = 1;
void *gpio_map;
unsigned int cpu_type = M68K_CPU_TYPE_68000;
unsigned int loop_cycles = 300;
struct emulator_config *cfg = NULL;
+char keyboard_file[256] = "/dev/input/event0";
// I/O access
volatile unsigned int *gpio;
cfg = load_config_file(argv[g]);
}
}
+ else if (strcmp(argv[g], "--keyboard-file") == 0 || strcmp(argv[g], "--kbfile") == 0) {
+ if (g + 1 >= argc) {
+ printf("%s switch found, but no keyboard device path specified.\n", argv[g]);
+ } else {
+ g++;
+ strcpy(keyboard_file, argv[g]);
+ }
+ }
}
if (!cfg) {
if (cfg) {
if (cfg->cpu_type) cpu_type = cfg->cpu_type;
if (cfg->loop_cycles) loop_cycles = cfg->loop_cycles;
+
+ if (!cfg->platform)
+ cfg->platform = make_platform_config("none", "generic");
+ cfg->platform->platform_initial_setup(cfg);
}
if (cfg->mouse_enabled) {
}
}
+ keyboard_fd = open(keyboard_file, O_RDONLY | O_NONBLOCK);
+ if (keyboard_fd == -1) {
+ printf("Failed to open keyboard event source.\n");
+ }
+
sched_setscheduler(0, SCHED_FIFO, &priority);
mlockall(MCL_CURRENT); // lock in memory to keep us from paging out
else
printf("\n IPL Thread created successfully\n");
*/
+ char c = 0;
m68k_pulse_reset();
while (42) {
m68k_execute(loop_cycles);
// FIXME: Rework this to use keyboard events instead.
- /*while (kbhit()) {
- char c = getchar();
+ while (get_key_char(&c)) {
if (c == cfg->keyboard_toggle_key && !kb_hook_enabled) {
kb_hook_enabled = 1;
printf("Keyboard hook enabled.\n");
kb_hook_enabled = 0;
printf("Keyboard hook disabled.\n");
}
- if (c == cfg->mouse_toggle_key) {
- mouse_hook_enabled ^= 1;
- printf("Mouse hook %s.\n", mouse_hook_enabled ? "enabled" : "disabled");
- mouse_dx = mouse_dy = mouse_buttons = 0;
- }
- if (c == 'r') {
- cpu_emulation_running ^= 1;
- printf("CPU emulation is now %s\n", cpu_emulation_running ? "running" : "stopped");
- }
- if (c == 'R') {
- cpu_pulse_reset();
- m68k_pulse_reset();
- printf("CPU emulation reset.\n");
- }
- if (c == 'q') {
- printf("Quitting and exiting emulator.\n");
- goto stop_cpu_emulation;
+ if (!kb_hook_enabled) {
+ if (c == cfg->mouse_toggle_key) {
+ mouse_hook_enabled ^= 1;
+ printf("Mouse hook %s.\n", mouse_hook_enabled ? "enabled" : "disabled");
+ mouse_dx = mouse_dy = mouse_buttons = 0;
+ }
+ if (c == 'r') {
+ cpu_emulation_running ^= 1;
+ printf("CPU emulation is now %s\n", cpu_emulation_running ? "running" : "stopped");
+ }
+ if (c == 'R') {
+ cpu_pulse_reset();
+ m68k_pulse_reset();
+ printf("CPU emulation reset.\n");
+ }
+ if (c == 'q') {
+ printf("Quitting and exiting emulator.\n");
+ goto stop_cpu_emulation;
+ }
}
- }*/
+ }
/*
if (toggle == 1){
srdata = read_reg();
static unsigned int target = 0;
unsigned int m68k_read_memory_8(unsigned int address) {
+ if (cfg->platform->custom_read && cfg->platform->custom_read(cfg, address, &target, OP_TYPE_BYTE) != -1) {
+ return target;
+ }
+
if (cfg) {
int ret = handle_mapped_read(cfg, address, &target, OP_TYPE_BYTE, ovl);
if (ret != -1)
}
unsigned int m68k_read_memory_16(unsigned int address) {
+ if (cfg->platform->custom_read && cfg->platform->custom_read(cfg, address, &target, OP_TYPE_WORD) != -1) {
+ return target;
+ }
+
if (cfg) {
int ret = handle_mapped_read(cfg, address, &target, OP_TYPE_WORD, ovl);
if (ret != -1)
}
unsigned int m68k_read_memory_32(unsigned int address) {
+ if (cfg->platform->custom_read && cfg->platform->custom_read(cfg, address, &target, OP_TYPE_LONGWORD) != -1) {
+ return target;
+ }
+
if (cfg) {
int ret = handle_mapped_read(cfg, address, &target, OP_TYPE_LONGWORD, ovl);
if (ret != -1)
}
void m68k_write_memory_8(unsigned int address, unsigned int value) {
+ if (cfg->platform->custom_write && cfg->platform->custom_write(cfg, address, value, OP_TYPE_BYTE) != -1) {
+ return;
+ }
+
if (cfg) {
int ret = handle_mapped_write(cfg, address, value, OP_TYPE_BYTE, ovl);
if (ret != -1)
}
void m68k_write_memory_16(unsigned int address, unsigned int value) {
+ if (cfg->platform->custom_write && cfg->platform->custom_write(cfg, address, value, OP_TYPE_WORD) != -1) {
+ return;
+ }
+
if (cfg) {
int ret = handle_mapped_write(cfg, address, value, OP_TYPE_WORD, ovl);
if (ret != -1)
}
void m68k_write_memory_32(unsigned int address, unsigned int value) {
+ if (cfg->platform->custom_write && cfg->platform->custom_write(cfg, address, value, OP_TYPE_LONGWORD) != -1) {
+ return;
+ }
+
if (cfg) {
int ret = handle_mapped_write(cfg, address, value, OP_TYPE_LONGWORD, ovl);
if (ret != -1)
#include <unistd.h>
#include <linux/input.h>
-int kbhit()
+static int lshift = 0, rshift = 0, lctrl = 0, rctrl = 0, lalt = 0, altgr = 0;
+extern int mouse_fd;
+extern int keyboard_fd;
+
+enum keypress_type {
+ KEYPRESS_RELEASE,
+ KEYPRESS_PRESS,
+ KEYPRESS_REPEAT,
+};
+
+int handle_modifier(struct input_event *ev) {
+ int *target_modifier = NULL;
+ if (ev->value != KEYPRESS_REPEAT && (ev->code == KEY_LEFTSHIFT || ev->code == KEY_RIGHTSHIFT || ev->code == KEY_LEFTALT || ev->code == KEY_RIGHTALT || ev->code == KEY_LEFTCTRL || ev->code == KEY_RIGHTCTRL)) {
+ switch(ev->code) {
+ case KEY_LEFTSHIFT:
+ target_modifier = &lshift;
+ break;
+ case KEY_RIGHTSHIFT:
+ target_modifier = &rshift;
+ break;
+ case KEY_LEFTALT:
+ target_modifier = &lalt;
+ break;
+ case KEY_RIGHTALT:
+ target_modifier = &altgr;
+ break;
+ case KEY_LEFTCTRL:
+ target_modifier = &lshift;
+ break;
+ case KEY_RIGHTCTRL:
+ target_modifier = &rshift;
+ break;
+ }
+ *target_modifier = (ev->value == KEYPRESS_RELEASE) ? 0 : 1;
+ return 1;
+ }
+ else {
+ return 0;
+ }
+}
+
+#define KEYCASE(a, b, c)case a: return (lshift || rshift) ? c : b;
+
+char char_from_input_event(struct input_event *ev) {
+ switch(ev->code) {
+ KEYCASE(KEY_A, 'a', 'A');
+ KEYCASE(KEY_B, 'b', 'B');
+ KEYCASE(KEY_C, 'c', 'C');
+ KEYCASE(KEY_D, 'd', 'D');
+ KEYCASE(KEY_E, 'e', 'E');
+ KEYCASE(KEY_F, 'f', 'F');
+ KEYCASE(KEY_G, 'g', 'G');
+ KEYCASE(KEY_H, 'h', 'H');
+ KEYCASE(KEY_I, 'i', 'I');
+ KEYCASE(KEY_J, 'j', 'J');
+ KEYCASE(KEY_K, 'k', 'K');
+ KEYCASE(KEY_L, 'l', 'L');
+ KEYCASE(KEY_M, 'm', 'M');
+ KEYCASE(KEY_N, 'n', 'N');
+ KEYCASE(KEY_O, 'o', 'O');
+ KEYCASE(KEY_P, 'p', 'P');
+ KEYCASE(KEY_Q, 'q', 'Q');
+ KEYCASE(KEY_R, 'r', 'R');
+ KEYCASE(KEY_S, 's', 'S');
+ KEYCASE(KEY_T, 't', 'T');
+ KEYCASE(KEY_U, 'u', 'U');
+ KEYCASE(KEY_V, 'c', 'V');
+ KEYCASE(KEY_W, 'w', 'W');
+ KEYCASE(KEY_X, 'x', 'X');
+ KEYCASE(KEY_Y, 'y', 'Y');
+ KEYCASE(KEY_Z, 'z', 'Z');
+ KEYCASE(KEY_1, '1', '!');
+ KEYCASE(KEY_2, '2', '@');
+ KEYCASE(KEY_3, '3', '#');
+ KEYCASE(KEY_4, '4', '$');
+ KEYCASE(KEY_5, '5', '%');
+ KEYCASE(KEY_6, '6', '^');
+ KEYCASE(KEY_7, '7', '&');
+ KEYCASE(KEY_8, '8', '*');
+ KEYCASE(KEY_9, '9', '(');
+ KEYCASE(KEY_0, '0', ')');
+ KEYCASE(KEY_F12, 0x1B, 0x1B);
+ default:
+ return 0;
+ }
+}
+
+int get_key_char(char *c)
{
+ if (keyboard_fd == -1)
+ return 0;
+
+ struct input_event ie;
+ while(read(keyboard_fd, &ie, sizeof(struct input_event)) != -1) {
+ if (ie.type == EV_KEY) {
+ if (handle_modifier(&ie))
+ continue;
+ char ret = char_from_input_event(&ie);
+ if (ret != 0) {
+ *c = ret;
+ return 1;
+ }
+ }
+ }
+
return 0;
}
-extern int mouse_fd;
-
int get_mouse_status(char *x, char *y, char *b) {
struct input_event ie;
if (read(mouse_fd, &ie, sizeof(struct input_event)) != -1) {
int get_mouse_status(char *x, char *y, char *b);
-int kbhit();
+int get_key_char(char *c);
switch(cfg->map_type[i]) {
case MAPTYPE_ROM:
if (CHKRANGE(addr, cfg->map_offset[i], cfg->map_size[i]))
- read_addr = cfg->map_data[i] + (addr - cfg->map_offset[i]);
+ read_addr = cfg->map_data[i] + ((addr - cfg->map_offset[i]) % cfg->rom_size[i]);
else if (cfg->map_mirror[i] != -1 && mirror && CHKRANGE(addr, cfg->map_mirror[i], cfg->map_size[i]))
- read_addr = cfg->map_data[i] + (addr - cfg->map_mirror[i]);
+ read_addr = cfg->map_data[i] + ((addr - cfg->map_mirror[i]) % cfg->rom_size[i]);
break;
case MAPTYPE_RAM:
if (CHKRANGE(addr, cfg->map_offset[i], cfg->map_size[i]))
continue;
if (handle_regs) {
- if (handle_register_read(addr, type, &target) != -1) {
- *val = target;
- return 1;
+ if (cfg->platform && cfg->platform->register_read) {
+ if (cfg->platform->register_read(addr, type, &target) != -1) {
+ *val = target;
+ return 1;
+ }
}
return -1;
}
continue;
if (handle_regs) {
- return handle_register_write(addr, value, type);
+ if (cfg->platform && cfg->platform->register_write) {
+ return cfg->platform->register_write(addr, value, type);
+ }
}
else if (write_addr) {
//printf("[PC: %.8X] Write %s to %s (%.8X) (%d)\n", m68k_get_reg(NULL, M68K_REG_PC), op_type_names[type], map_type_names[cfg->map_type[i]], addr, mirror);
--- /dev/null
+#include "../platforms.h"
+#include "amiga-autoconf.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+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
+ 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
+};
+
+static unsigned char ac_a314_rom[] = {
+ 0xc, AC_MEM_SIZE_64KB, // 00/02, 64 kB
+ 0xa, 0x3, // 04/06, product id
+ 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
+};
+
+int ac_z2_current_pic = 0;
+int ac_z2_pic_count = 0;
+int ac_z2_done = 0;
+int ac_z2_type[AC_PIC_LIMIT];
+int ac_z2_index[AC_PIC_LIMIT];
+unsigned int ac_base[AC_PIC_LIMIT];
+
+int ac_z3_current_pic = 0;
+int ac_z3_pic_count = 0;
+int ac_z3_done = 0;
+int ac_z3_type[AC_PIC_LIMIT];
+int ac_z3_index[AC_PIC_LIMIT];
+
+
+unsigned char get_autoconf_size(int size) {
+ if (size == 8 * SIZE_MEGA)
+ return AC_MEM_SIZE_8MB;
+ if (size == 4 * SIZE_MEGA)
+ return AC_MEM_SIZE_4MB;
+ if (size == 2 * SIZE_MEGA)
+ return AC_MEM_SIZE_2MB;
+ else
+ return AC_MEM_SIZE_64KB;
+}
+
+unsigned char get_autoconf_size_ext(int size) {
+ if (size == 16 * SIZE_MEGA)
+ return AC_MEM_SIZE_EXT_16MB;
+ if (size == 32 * SIZE_MEGA)
+ return AC_MEM_SIZE_EXT_32MB;
+ if (size == 64 * SIZE_MEGA)
+ return AC_MEM_SIZE_EXT_64MB;
+ if (size == 128 * SIZE_MEGA)
+ return AC_MEM_SIZE_EXT_128MB;
+ if (size == 256 * SIZE_MEGA)
+ return AC_MEM_SIZE_EXT_256MB;
+ if (size == 512 * SIZE_MEGA)
+ return AC_MEM_SIZE_EXT_512MB;
+ if (size == 1024 * SIZE_MEGA)
+ return AC_MEM_SIZE_EXT_1024MB;
+ else
+ 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;
+ 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)
+ val = 0;
+ else {
+ switch(address & 0xFF) {
+ case AC_Z3_REG_ER_TYPE:
+ val |= BOARDTYPE_Z3;
+ if (cfg->map_type[index] == MAPTYPE_RAM)
+ val |= BOARDTYPE_FREEMEM;
+ if (cfg->map_size[index] > 8 * SIZE_MEGA)
+ val |= get_autoconf_size_ext(cfg->map_size[index]);
+ else
+ val |= get_autoconf_size(cfg->map_size[index]);
+ if (ac_z3_current_pic + 1 < ac_z3_pic_count)
+ val |= BOARDTYPE_LINKED;
+ // Pre-invert this value, since it's the only value not physically complemented
+ // for Zorro III.
+ val ^= 0xFF;
+ break;
+ case AC_Z3_REG_ER_PRODUCT:
+ // 1.1... maybe...
+ val = 0x11;
+ break;
+ case AC_Z3_REG_ER_FLAGS:
+ if (cfg->map_type[index] == MAPTYPE_RAM)
+ val |= Z3_FLAGS_MEMORY;
+ if (cfg->map_size[index] > 8 * SIZE_MEGA)
+ val |= Z3_FLAGS_EXTENSION;
+ val |= Z3_FLAGS_RESERVED;
+ // Bottom four bits are zero, useless unles you want really odd RAM sizes.
+ break;
+ // Manufacturer ID low/high bytes.
+ case AC_Z3_REG_MAN_LO:
+ val = PISTORM_MANUF_ID & 0x00FF;
+ break;
+ case AC_Z3_REG_MAN_HI:
+ val = (PISTORM_MANUF_ID >> 8);
+ break;
+ case AC_Z3_REG_SER_BYTE0:
+ case AC_Z3_REG_SER_BYTE1:
+ case AC_Z3_REG_SER_BYTE2:
+ case AC_Z3_REG_SER_BYTE3:
+ // Expansion board serial assigned by manufacturer.
+ val = 0;
+ break;
+ case AC_Z3_REG_INIT_DIAG_VEC_LO:
+ case AC_Z3_REG_INIT_DIAG_VEC_HI:
+ // 16-bit offset to boot ROM in assigned memory range.
+ val = 0;
+ break;
+ // Additional reserved/unused registers.
+ case AC_Z3_REG_ER_RES03:
+ case AC_Z3_REG_ER_RES0D:
+ case AC_Z3_REG_ER_RES0E:
+ case AC_Z3_REG_ER_RES0F:
+ case AC_Z3_REG_ER_Z2_INT:
+ default:
+ val = 0;
+ break;
+ }
+ }
+ //printf("Read byte %d from Z3 autoconf for PIC %d (%.2X).\n", address, ac_z3_current_pic, val);
+ return (address & 0x100) ? (val << 4) ^ 0xFF : (val & 0xF0) ^ 0xFF;
+}
+
+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;
+ int index = ac_z3_index[ac_z3_current_pic];
+ unsigned char val = (unsigned char)value;
+ int done = 0;
+
+ switch(address & 0xFF) {
+ case AC_Z3_REG_WR_ADDR_LO:
+ if (nib_latch) {
+ ac_base[ac_z3_current_pic] = (ac_base[ac_z3_current_pic] & 0xFF0F0000) | ((val & 0xF0) << 16);
+ nib_latch = 0;
+ }
+ else
+ ac_base[ac_z3_current_pic] = (ac_base[ac_z3_current_pic] & 0xFF000000) | (val << 16);
+ break;
+ case AC_Z3_REG_WR_ADDR_HI:
+ if (nib_latch) {
+ ac_base[ac_z3_current_pic] = (ac_base[ac_z3_current_pic] & 0x0FFF0000) | ((val & 0xF0) << 24);
+ nib_latch = 0;
+ }
+ ac_base[ac_z3_current_pic] = (ac_base[ac_z3_current_pic] & 0x00FF0000) | (val << 24);
+ done = 1;
+ break;
+ case AC_Z3_REG_WR_ADDR_NIB_LO:
+ ac_base[ac_z3_current_pic] = (ac_base[ac_z3_current_pic] & 0xFFF00000) | ((val & 0xF0) << 12);
+ nib_latch = 1;
+ break;
+ case AC_Z3_REG_WR_ADDR_NIB_HI:
+ ac_base[ac_z3_current_pic] = (ac_base[ac_z3_current_pic] & 0xF0FF0000) | ((val & 0xF0) << 20);
+ nib_latch = 1;
+ break;
+ case AC_Z3_REG_SHUTUP:
+ //printf("Write to Z3 shutup register for PIC %d.\n", ac_z3_current_pic);
+ done = 1;
+ break;
+ default:
+ break;
+ }
+
+ if (done) {
+ nib_latch = 0;
+ printf("Address of Z3 autoconf RAM assigned to $%.8x\n", ac_base[ac_z3_current_pic]);
+ cfg->map_offset[index] = ac_base[ac_z3_current_pic];
+ ac_z3_current_pic++;
+ if (ac_z3_current_pic == ac_z3_pic_count)
+ ac_z3_done = 1;
+ }
+
+ return;
+}
+
+void autoconfig_write_memory_z3_16(struct emulator_config *cfg, unsigned int address_, unsigned int value) {
+ int address = address_ - AC_Z3_BASE;
+ 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.
+ ac_base[ac_z3_current_pic] = (ac_base[ac_z3_current_pic] & 0x00000000) | (val << 16);
+ done = 1;
+ break;
+ default:
+ printf("Unknown WORD write to Z3 autoconf address $%.2X", address & 0xFF);
+ //stop_cpu_emulation();
+ break;
+ }
+
+ if (done) {
+ printf("Address of Z3 autoconf RAM assigned to $%.8x\n", ac_base[ac_z3_current_pic]);
+ cfg->map_offset[index] = ac_base[ac_z3_current_pic];
+ 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 char *rom = NULL;
+ int address = address_ - AC_Z2_BASE;
+ unsigned char val = 0;
+
+ switch(ac_z2_type[ac_z2_current_pic]) {
+ case ACTYPE_MAPFAST_Z2:
+ rom = ac_fast_ram_rom;
+ break;
+ case ACTYPE_A314:
+ rom = ac_a314_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]]);
+ if (ac_z2_current_pic + 1 < ac_z2_pic_count)
+ val |= BOARDTYPE_LINKED;
+ }
+ else
+ val = rom[address / 2];
+ //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)
+ 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;
+ int done = 0;
+
+ unsigned int *base = NULL;
+
+ switch(ac_z2_type[ac_z2_current_pic]) {
+ case ACTYPE_MAPFAST_Z2:
+ base = &ac_base[ac_z2_current_pic];
+ break;
+ case ACTYPE_A314:
+ //base = &a314_base;
+ break;
+ default:
+ break;
+ }
+
+ if (!base) {
+ //printf("Failed to set up the base for autoconfig PIC %d.\n", ac_z2_current_pic);
+ done = 1;
+ }
+ else {
+ if (address == 0x4a) { // base[19:16]
+ *base = (value & 0xf0) << (16 - 4);
+ } else if (address == 0x48) { // base[23:20]
+ *base &= 0xff0fffff;
+ *base |= (value & 0xf0) << (20 - 4);
+
+ if (ac_z2_type[ac_z2_current_pic] == ACTYPE_MAPFAST_Z2) { // fast ram
+ //a314_set_mem_base_size(*base, cfg->map_size[ac_index[ac_z2_current_pic]]);
+ }
+ done = 1;
+ } else if (address == 0x4c) { // shut up
+ //printf("Write to Z2 shutup register for PIC %d.\n", ac_z2_current_pic);
+ done = 1;
+ }
+ }
+
+ 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];
+ ac_z2_current_pic++;
+ if (ac_z2_current_pic == ac_z2_pic_count)
+ ac_z2_done = 1;
+ }
+}
--- /dev/null
+#define AC_Z2_BASE 0xE80000
+#define AC_Z3_BASE 0xFF000000
+#define AC_SIZE (64 * 1024)
+#define AC_PIC_LIMIT 8
+
+#define AC_MEM_SIZE_8MB 0
+#define AC_MEM_SIZE_64KB 1
+#define AC_MEM_SIZE_128KB 2
+#define AC_MEM_SIZE_256KB 3
+#define AC_MEM_SIZE_512KB 4
+#define AC_MEM_SIZE_1MB 5
+#define AC_MEM_SIZE_2MB 6
+#define AC_MEM_SIZE_4MB 7
+
+#define AC_MEM_SIZE_EXT_16MB 0
+#define AC_MEM_SIZE_EXT_32MB 1
+#define AC_MEM_SIZE_EXT_64MB 2
+#define AC_MEM_SIZE_EXT_128MB 3
+#define AC_MEM_SIZE_EXT_256MB 4
+#define AC_MEM_SIZE_EXT_512MB 5
+#define AC_MEM_SIZE_EXT_1024MB 6
+#define AC_MEM_SIZE_EXT_RES 7
+
+enum autoconf_types {
+ ACTYPE_MAPFAST_Z2,
+ ACTYPE_MAPFAST_Z3,
+ ACTYPE_A314,
+ ACTYPE_NUM,
+};
+
+enum autoconfg_z3_regs {
+ AC_Z3_REG_ER_TYPE = 0x00,
+ AC_Z3_REG_ER_PRODUCT = 0x04,
+ AC_Z3_REG_ER_FLAGS = 0x08,
+ AC_Z3_REG_ER_RES03 = 0x0C,
+ AC_Z3_REG_MAN_HI = 0x10,
+ AC_Z3_REG_MAN_LO = 0x14,
+ AC_Z3_REG_SER_BYTE0 = 0x18,
+ AC_Z3_REG_SER_BYTE1 = 0x1C,
+ AC_Z3_REG_SER_BYTE2 = 0x20,
+ AC_Z3_REG_SER_BYTE3 = 0x24,
+ AC_Z3_REG_INIT_DIAG_VEC_HI = 0x28,
+ AC_Z3_REG_INIT_DIAG_VEC_LO = 0x2C,
+ AC_Z3_REG_ER_RES0C = 0x30,
+ AC_Z3_REG_ER_RES0D = 0x34,
+ AC_Z3_REG_ER_RES0E = 0x38,
+ AC_Z3_REG_ER_RES0F = 0x3C,
+ AC_Z3_REG_ER_Z2_INT = 0x40,
+ AC_Z3_REG_WR_ADDR_HI = 0x44,
+ AC_Z3_REG_WR_ADDR_NIB_HI = 0x46,
+ AC_Z3_REG_WR_ADDR_LO = 0x48,
+ AC_Z3_REG_WR_ADDR_NIB_LO = 0x4A,
+ AC_Z3_REG_SHUTUP = 0x4C,
+ AC_Z3_REG_RES50 = 0x50,
+ AC_Z3_REG_RES54 = 0x54,
+ AC_Z3_REG_RES58 = 0x58,
+ AC_Z3_REG_RES5C = 0x5C,
+ AC_Z3_REG_RES60 = 0x60,
+ AC_Z3_REG_RES64 = 0x64,
+ AC_Z3_REG_RES68 = 0x68,
+ AC_Z3_REG_RES6C = 0x6C,
+ AC_Z3_REG_RES70 = 0x70,
+ AC_Z3_REG_RES74 = 0x74,
+ AC_Z3_REG_RES78 = 0x78,
+ AC_Z3_REG_RES7C = 0x7C,
+};
+
+#define BOARDTYPE_Z3 0x80
+#define BOARDTYPE_Z2 (0x80|0x40)
+#define BOARDTYPE_FREEMEM 0x20
+#define BOARDTYPE_BOOTROM 0x10
+#define BOARDTYPE_LINKED 0x08
+
+#define Z3_FLAGS_MEMORY 0x80
+#define Z3_FLAGS_NOSHUTUP 0x40
+#define Z3_FLAGS_EXTENSION 0x20
+#define Z3_FLAGS_RESERVED 0x10
+
+#define PISTORM_MANUF_ID 0xDEBE
+
+unsigned int autoconfig_read_memory_8(struct emulator_config *cfg, unsigned int address);
+void autoconfig_write_memory_8(struct emulator_config *cfg, unsigned int address, unsigned int value);
+
+unsigned int autoconfig_read_memory_z3_8(struct emulator_config *cfg, unsigned int address_);
+void autoconfig_write_memory_z3_8(struct emulator_config *cfg, unsigned int address_, unsigned int value);
+void autoconfig_write_memory_z3_16(struct emulator_config *cfg, unsigned int address_, unsigned int value);
--- /dev/null
+#include "../platforms.h"
+#include "amiga-autoconf.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.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);
+
+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_pic_count;
+extern int ac_z3_done;
+extern int ac_z3_type[AC_PIC_LIMIT];
+extern int ac_z3_index[AC_PIC_LIMIT];
+
+char *z2_autoconf_id = "z2_autoconf_fast";
+char *z2_autoconf_zap_id = "^2_autoconf_fast";
+char *z3_autoconf_id = "z3_autoconf_fast";
+char *z3_autoconf_zap_id = "^3_autoconf_fast";
+
+extern const char *op_type_names[OP_TYPE_NUM];
+
+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;
+ return -1;
+ }
+
+ if (type == OP_TYPE_BYTE) {
+ *val = autoconfig_read_memory_8(cfg, addr);
+ return 1;
+ }
+ }
+ if (!ac_z3_done && addr >= AC_Z3_BASE && addr < AC_Z3_BASE + AC_SIZE) {
+ if (ac_z3_pic_count == 0) {
+ ac_z3_done = 1;
+ return -1;
+ }
+
+ if (type == OP_TYPE_BYTE) {
+ *val = autoconfig_read_memory_z3_8(cfg, addr);
+ return 1;
+ }
+ else {
+ printf("Unexpected %s read from Z3 autoconf addr %.X\n", op_type_names[type], addr - AC_Z3_BASE);
+ //stop_emulation();
+ }
+ }
+
+ return -1;
+}
+
+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;
+ }
+
+ printf("Write to Z2 autoconf area.\n");
+ autoconfig_write_memory_8(cfg, addr, val);
+ return 1;
+ }
+ }
+
+ if (!ac_z3_done && addr >= AC_Z3_BASE && addr < AC_Z3_BASE + AC_SIZE) {
+ if (type == OP_TYPE_BYTE) {
+ if (ac_z3_pic_count == 0) {
+ ac_z3_done = 1;
+ return -1;
+ }
+
+ //printf("Write to autoconf area.\n");
+ autoconfig_write_memory_z3_8(cfg, addr, val);
+ return 1;
+ }
+ else if (type == OP_TYPE_WORD) {
+ autoconfig_write_memory_z3_16(cfg, addr, val);
+ return 1;
+ }
+ else {
+ printf("Unexpected %s write to Z3 autoconf addr %.X\n", op_type_names[type], addr - AC_Z3_BASE);
+ //stop_emulation();
+ }
+ }
+
+ return -1;
+}
+
+int setup_platform_amiga(struct emulator_config *cfg) {
+ if (cfg) {}
+ printf("Performing setup for Amiga platform.\n");
+ // Look for Z2 autoconf Fast RAM by id
+ int index = get_named_mapped_item(cfg, z2_autoconf_id);
+ more_z2_fast:;
+ if (index != -1) {
+ // "Zap" config items as they are processed.
+ 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");
+ 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) {
+ printf("Z2 Fast RAM may only provision 2, 4 or 8MB of memory, resizing to ");
+ if (cfg->map_size[index] > 8 * SIZE_MEGA)
+ resize_data = 8 * SIZE_MEGA;
+ else if (cfg->map_size[index] > 4 * SIZE_MEGA)
+ resize_data = 4 * SIZE_MEGA;
+ else
+ resize_data = 2 * SIZE_MEGA;
+ printf("%dMB.\n", resize_data / SIZE_MEGA);
+ }
+ if (resize_data) {
+ free(cfg->map_data[index]);
+ cfg->map_size[index] = resize_data;
+ 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++;
+ }
+ 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) {
+ cfg->map_id[i][0] = z2_autoconf_id[0];
+ }
+ }
+
+ index = get_named_mapped_item(cfg, z3_autoconf_id);
+ more_z3_fast:;
+ if (index != -1) {
+ cfg->map_id[index][0] = '^';
+ printf("%dMB of Z3 Fast RAM configured at $%lx\n", cfg->map_size[index] / SIZE_MEGA, cfg->map_offset[index]);
+ ac_z3_type[ac_z3_pic_count] = ACTYPE_MAPFAST_Z3;
+ ac_z3_index[ac_z3_pic_count] = index;
+ ac_z3_pic_count++;
+ }
+ else
+ printf("No Z3 Fast RAM configured.\n");
+ index = get_named_mapped_item(cfg, z3_autoconf_id);
+ if (index != -1)
+ goto more_z3_fast;
+ for (int i = 0; i < MAX_NUM_MAPPED_ITEMS; i ++) {
+ if (cfg->map_id[i] && strcmp(cfg->map_id[i], z3_autoconf_zap_id) == 0) {
+ cfg->map_id[i][0] = z3_autoconf_id[0];
+ }
+ }
+
+ return 0;
+}
+
+void setvar_amiga(char *var, char *val) {
+ if (var || val) {}
+}
+
+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_read = custom_read_amiga;
+ cfg->custom_write = custom_write_amiga;
+ cfg->platform_initial_setup = setup_platform_amiga;
+
+ cfg->setvar = setvar_amiga;
+
+ if (subsys) {
+ cfg->subsys = malloc(strlen(subsys) + 1);
+ strcpy(cfg->subsys, subsys);
+ }
+}
-#include "../Gayle.h"
-#include "../config_file/config_file.h"
+#include "../../Gayle.h"
+#include "../../config_file/config_file.h"
#define GAYLEBASE 0xD80000 // D7FFFF
#define GAYLESIZE 0x6FFFF
-int handle_register_read(unsigned int addr, unsigned char type, unsigned int *val) {
+int handle_register_read_amiga(unsigned int addr, unsigned char type, unsigned int *val) {
if (addr > GAYLEBASE && addr < GAYLEBASE + GAYLESIZE) {
switch(type) {
case OP_TYPE_BYTE:
return -1;
}
-int handle_register_write(unsigned int addr, unsigned int value, unsigned char type) {
+int handle_register_write_amiga(unsigned int addr, unsigned int value, unsigned char type) {
if (addr > GAYLEBASE && addr < GAYLEBASE + GAYLESIZE) {
switch(type) {
case OP_TYPE_BYTE:
--- /dev/null
+#include "../platforms.h"
+#include <stdlib.h>
+#include <string.h>
+
+int handle_register_read_dummy(unsigned int addr, unsigned char type, unsigned int *val);
+int handle_register_write_dummy(unsigned int addr, unsigned int value, unsigned char type);
+
+int setup_platform_dummy(struct emulator_config *cfg) {
+ if (cfg) {}
+ return 0;
+}
+
+void create_platform_dummy(struct platform_config *cfg, char *subsys) {
+ cfg->custom_read = NULL;
+ cfg->custom_write = NULL;
+ cfg->register_read = handle_register_read_dummy;
+ cfg->register_write = handle_register_write_dummy;
+ cfg->platform_initial_setup = setup_platform_dummy;
+
+ if (subsys) {
+ cfg->subsys = malloc(strlen(subsys) + 1);
+ strcpy(cfg->subsys, subsys);
+ }
+}
--- /dev/null
+int handle_register_read_dummy(unsigned int addr, unsigned char type, unsigned int *val) {
+ if (addr) {}
+ if (type) {}
+ if (val) {}
+ return -1;
+}
+
+int handle_register_write_dummy(unsigned int addr, unsigned int value, unsigned char type) {
+ if (addr) {}
+ if (type) {}
+ if (value) {}
+ return -1;
+}
--- /dev/null
+#include "platforms.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static char*platform_names[PLATFORM_NUM] = {
+ "none",
+ "amiga",
+ "mac68k",
+ "x68000",
+};
+
+int get_platform_index(char *name) {
+ if (!name || strlen(name) == 0)
+ return -1;
+
+ for (int i = 0; i < PLATFORM_NUM; i++) {
+ if (strcmp(name, platform_names[i]) == 0)
+ return i;
+ }
+ return -1;
+}
+
+void create_platform_amiga(struct platform_config *cfg, char *subsys);
+void create_platform_dummy(struct platform_config *cfg, char *subsys);
+
+struct platform_config *make_platform_config(char *name, char *subsys) {
+ struct platform_config *cfg = NULL;
+ int platform_id = get_platform_index(name);
+
+ if (platform_id == -1) {
+ // Display a warning if no match is found for the config name, in case it was mistyped.
+ printf("No match found for platform name \'%s\', defaulting to none/generic.\n", name);
+ platform_id = PLATFORM_NONE;
+ }
+ else {
+ printf("Creating platform config for %s...\n", name);
+ }
+
+ cfg = (struct platform_config *)malloc(sizeof(struct platform_config));
+ if (!cfg) {
+ printf("Failed to allocate memory for new platform config!.\n");
+ return NULL;
+ }
+ memset(cfg, 0x00, sizeof(struct platform_config));
+
+ switch(platform_id) {
+ case PLATFORM_AMIGA:
+ create_platform_amiga(cfg, subsys);
+ break;
+ case PLATFORM_NONE:
+ case PLATFORM_MAC:
+ case PLATFORM_X68000:
+ default:
+ create_platform_dummy(cfg, subsys);
+ break;
+ }
+
+ return cfg;
+}
\ No newline at end of file
--- /dev/null
+#include "../config_file/config_file.h"
+
+enum base_platforms {
+ PLATFORM_NONE,
+ PLATFORM_AMIGA,
+ PLATFORM_MAC,
+ PLATFORM_X68000,
+ PLATFORM_NUM,
+};
+
+struct platform_config *make_platform_config(char *name, char *subsys);
+++ /dev/null
-int handle_register_read(unsigned int addr, unsigned char type) {
- return -1;
-}
-
-int handle_register_write(unsigned int addr, unsigned char type) {
- return -1;
-}