3 #include "platforms/platforms.h"
4 #include "input/input.h"
6 #include "platforms/amiga/Gayle.h"
7 #include "platforms/amiga/gayle-ide/ide.h"
8 #include "platforms/amiga/amiga-registers.h"
9 #include "platforms/amiga/rtg/rtg.h"
10 #include "platforms/amiga/hunk-reloc.h"
11 #include "platforms/amiga/piscsi/piscsi.h"
12 #include "platforms/amiga/piscsi/piscsi-enums.h"
13 #include "platforms/amiga/net/pi-net.h"
14 #include "platforms/amiga/net/pi-net-enums.h"
15 #include "gpio/ps_protocol.h"
28 #include <sys/ioctl.h>
31 #include <sys/types.h>
35 unsigned char read_ranges;
36 unsigned int read_addr[8];
37 unsigned int read_upper[8];
38 unsigned char *read_data[8];
39 unsigned char write_ranges;
40 unsigned int write_addr[8];
41 unsigned int write_upper[8];
42 unsigned char *write_data[8];
44 int kb_hook_enabled = 0;
45 int mouse_hook_enabled = 0;
46 int cpu_emulation_running = 1;
48 uint8_t mouse_dx = 0, mouse_dy = 0;
49 uint8_t mouse_buttons = 0;
50 uint8_t mouse_extra = 0;
52 extern uint8_t gayle_int;
53 extern uint8_t gayle_ide_enabled;
54 extern uint8_t gayle_emulation_enabled;
55 extern uint8_t gayle_a4k_int;
56 extern volatile unsigned int *gpio;
57 extern volatile uint16_t srdata;
58 extern uint8_t realtime_graphics_debug;
59 uint8_t realtime_disassembly, int2_enabled = 0;
60 uint32_t do_disasm = 0, old_level;
61 uint32_t last_irq = 0, last_last_irq = 0;
62 char c = 0, c_code = 0, c_type = 0; // @todo temporary main/cpu_task scope workaround until input moved to a thread
64 char disasm_buf[4096];
66 #define KICKBASE 0xF80000
67 #define KICKSIZE 0x7FFFF
69 int mem_fd, mouse_fd = -1, keyboard_fd = -1;
78 extern m68ki_cpu_core m68ki_cpu;
79 extern int m68ki_initial_cycles;
80 extern int m68ki_remaining_cycles;
82 #define M68K_SET_IRQ(i) old_level = CPU_INT_LEVEL; \
83 CPU_INT_LEVEL = (i << 8); \
84 if(old_level != 0x0700 && CPU_INT_LEVEL == 0x0700) \
85 m68ki_cpu.nmi_pending = TRUE;
86 #define M68K_END_TIMESLICE m68ki_initial_cycles = GET_CYCLES(); \
89 #define M68K_SET_IRQ m68k_set_irq
90 #define M68K_END_TIMESLICE m68k_end_timeslice()
93 #define NOP asm("nop"); asm("nop"); asm("nop"); asm("nop");
95 #define DEBUG_EMULATOR
102 // Configurable emulator options
103 unsigned int cpu_type = M68K_CPU_TYPE_68000;
104 unsigned int loop_cycles = 300, irq_status = 0;
105 struct emulator_config *cfg = NULL;
106 char keyboard_file[256] = "/dev/input/event1";
108 uint64_t trig_irq = 0, serv_irq = 0;
109 uint16_t irq_delay = 0;
111 void *ipl_task(void *args) {
112 printf("IPL thread running\n");
113 uint16_t old_irq = 0;
117 value = *(gpio + 13);
119 if (!(value & (1 << PIN_IPL_ZERO))) {
138 if (gayle_ide_enabled) {
139 if (((gayle_int & 0x80) || gayle_a4k_int) && (get_ide(0)->drive[0].intrq || get_ide(0)->drive[1].intrq)) {
140 //get_ide(0)->drive[0].intrq = 0;
148 NOP NOP NOP NOP NOP NOP NOP NOP
149 NOP NOP NOP NOP NOP NOP NOP NOP
150 NOP NOP NOP NOP NOP NOP NOP NOP
151 /*NOP NOP NOP NOP NOP NOP NOP NOP
152 NOP NOP NOP NOP NOP NOP NOP NOP
153 NOP NOP NOP NOP NOP NOP NOP NOP*/
161 if (mouse_hook_enabled) {
162 get_mouse_status(&mouse_dx, &mouse_dy, &mouse_buttons, &mouse_extra);
165 if (realtime_disassembly && (do_disasm || cpu_emulation_running)) {
166 m68k_disassemble(disasm_buf, m68k_get_reg(NULL, M68K_REG_PC), cpu_type);
167 printf("REGA: 0:$%.8X 1:$%.8X 2:$%.8X 3:$%.8X 4:$%.8X 5:$%.8X 6:$%.8X 7:$%.8X\n", m68k_get_reg(NULL, M68K_REG_A0), m68k_get_reg(NULL, M68K_REG_A1), m68k_get_reg(NULL, M68K_REG_A2), m68k_get_reg(NULL, M68K_REG_A3), \
168 m68k_get_reg(NULL, M68K_REG_A4), m68k_get_reg(NULL, M68K_REG_A5), m68k_get_reg(NULL, M68K_REG_A6), m68k_get_reg(NULL, M68K_REG_A7));
169 printf("REGD: 0:$%.8X 1:$%.8X 2:$%.8X 3:$%.8X 4:$%.8X 5:$%.8X 6:$%.8X 7:$%.8X\n", m68k_get_reg(NULL, M68K_REG_D0), m68k_get_reg(NULL, M68K_REG_D1), m68k_get_reg(NULL, M68K_REG_D2), m68k_get_reg(NULL, M68K_REG_D3), \
170 m68k_get_reg(NULL, M68K_REG_D4), m68k_get_reg(NULL, M68K_REG_D5), m68k_get_reg(NULL, M68K_REG_D6), m68k_get_reg(NULL, M68K_REG_D7));
171 printf("%.8X (%.8X)]] %s\n", m68k_get_reg(NULL, M68K_REG_PC), (m68k_get_reg(NULL, M68K_REG_PC) & 0xFFFFFF), disasm_buf);
177 if (cpu_emulation_running)
178 m68k_execute(loop_cycles);
183 last_irq = ((read_reg() & 0xe000) >> 13);
184 if (last_irq != last_last_irq) {
185 last_last_irq = last_irq;
186 M68K_SET_IRQ(last_irq);
190 if (gayleirq && int2_enabled) {
191 write16(0xdff09c, 0x8000 | (1 << 3) && last_irq != 2);
192 last_last_irq = last_irq;
202 last_last_irq = last_irq;
207 while (get_key_char(&c, &c_code, &c_type)) {
208 if (c && c == cfg->keyboard_toggle_key && !kb_hook_enabled) {
210 printf("Keyboard hook enabled.\n");
212 else if (kb_hook_enabled) {
213 if (c == 0x1B && c_type) {
215 printf("Keyboard hook disabled.\n");
218 /*printf("Key code: %.2X - ", c_code);
221 printf("released.\n");
224 printf("pressed.\n");
230 printf("unknown.\n");
233 if (queue_keypress(c_code, c_type, cfg->platform->id) && int2_enabled && last_irq != 2) {
240 // pause pressed; trigger nmi (int level 7)
241 if (c == 0x01 && c_type) {
242 printf("[INT] Sending NMI\n");
246 if (!kb_hook_enabled && c_type) {
247 if (c && c == cfg->mouse_toggle_key) {
248 mouse_hook_enabled ^= 1;
249 printf("Mouse hook %s.\n", mouse_hook_enabled ? "enabled" : "disabled");
250 mouse_dx = mouse_dy = mouse_buttons = mouse_extra = 0;
253 cpu_emulation_running ^= 1;
254 printf("CPU emulation is now %s\n", cpu_emulation_running ? "running" : "stopped");
257 realtime_graphics_debug ^= 1;
258 printf("Real time graphics debug is now %s\n", realtime_graphics_debug ? "on" : "off");
262 //m68k_pulse_reset();
263 printf("CPU emulation reset.\n");
266 printf("Quitting and exiting emulator.\n");
267 goto stop_cpu_emulation;
270 realtime_disassembly ^= 1;
272 printf("Real time disassembly is now %s\n", realtime_disassembly ? "on" : "off");
275 int r = get_mapped_item_by_address(cfg, 0x08000000);
277 printf("Dumping first 16MB of mapped range %d.\n", r);
278 FILE *dmp = fopen("./memdmp.bin", "wb+");
279 fwrite(cfg->map_data[r], 16 * SIZE_MEGA, 1, dmp);
283 if (c == 's' && realtime_disassembly) {
286 if (c == 'S' && realtime_disassembly) {
292 if (mouse_hook_enabled && (mouse_extra != 0x00)) {
293 // mouse wheel events have occurred; unlike l/m/r buttons, these are queued as keypresses, so add to end of buffer
294 switch (mouse_extra) {
297 queue_keypress(0xfe, KEYPRESS_PRESS, PLATFORM_AMIGA);
301 queue_keypress(0xff, KEYPRESS_PRESS, PLATFORM_AMIGA);
305 // dampen the scroll wheel until next while loop iteration
311 printf("[CPU] End of CPU thread\n");
314 void stop_cpu_emulation(uint8_t disasm_cur) {
317 m68k_disassemble(disasm_buf, m68k_get_reg(NULL, M68K_REG_PC), cpu_type);
318 printf("REGA: 0:$%.8X 1:$%.8X 2:$%.8X 3:$%.8X 4:$%.8X 5:$%.8X 6:$%.8X 7:$%.8X\n", m68k_get_reg(NULL, M68K_REG_A0), m68k_get_reg(NULL, M68K_REG_A1), m68k_get_reg(NULL, M68K_REG_A2), m68k_get_reg(NULL, M68K_REG_A3), \
319 m68k_get_reg(NULL, M68K_REG_A4), m68k_get_reg(NULL, M68K_REG_A5), m68k_get_reg(NULL, M68K_REG_A6), m68k_get_reg(NULL, M68K_REG_A7));
320 printf("REGD: 0:$%.8X 1:$%.8X 2:$%.8X 3:$%.8X 4:$%.8X 5:$%.8X 6:$%.8X 7:$%.8X\n", m68k_get_reg(NULL, M68K_REG_D0), m68k_get_reg(NULL, M68K_REG_D1), m68k_get_reg(NULL, M68K_REG_D2), m68k_get_reg(NULL, M68K_REG_D3), \
321 m68k_get_reg(NULL, M68K_REG_D4), m68k_get_reg(NULL, M68K_REG_D5), m68k_get_reg(NULL, M68K_REG_D6), m68k_get_reg(NULL, M68K_REG_D7));
322 printf("%.8X (%.8X)]] %s\n", m68k_get_reg(NULL, M68K_REG_PC), (m68k_get_reg(NULL, M68K_REG_PC) & 0xFFFFFF), disasm_buf);
323 realtime_disassembly = 1;
326 cpu_emulation_running = 0;
331 static volatile unsigned char maprom;
333 void sigint_handler(int sig_num) {
335 //cpu_emulation_running = 0;
338 printf("Received sigint %d, exiting.\n", sig_num);
344 if (cfg->platform->shutdown) {
345 cfg->platform->shutdown(cfg);
348 printf("IRQs triggered: %lld\n", trig_irq);
349 printf("IRQs serviced: %lld\n", serv_irq);
354 int main(int argc, char *argv[]) {
356 //const struct sched_param priority = {99};
359 irq_delay = atoi(argv[1]);
360 printf("Setting IRQ delay to %d loops (%s).\n", irq_delay, argv[1]);
363 // Some command line switch stuffles
364 for (g = 1; g < argc; g++) {
365 if (strcmp(argv[g], "--cpu_type") == 0 || strcmp(argv[g], "--cpu") == 0) {
367 printf("%s switch found, but no CPU type specified.\n", argv[g]);
370 cpu_type = get_m68k_cpu_type(argv[g]);
373 else if (strcmp(argv[g], "--config-file") == 0 || strcmp(argv[g], "--config") == 0) {
375 printf("%s switch found, but no config filename specified.\n", argv[g]);
378 cfg = load_config_file(argv[g]);
381 else if (strcmp(argv[g], "--keyboard-file") == 0 || strcmp(argv[g], "--kbfile") == 0) {
383 printf("%s switch found, but no keyboard device path specified.\n", argv[g]);
386 strcpy(keyboard_file, argv[g]);
392 printf("No config file specified. Trying to load default.cfg...\n");
393 cfg = load_config_file("default.cfg");
395 printf("Couldn't load default.cfg, empty emulator config will be used.\n");
396 cfg = (struct emulator_config *)calloc(1, sizeof(struct emulator_config));
398 printf("Failed to allocate memory for emulator config!\n");
401 memset(cfg, 0x00, sizeof(struct emulator_config));
406 if (cfg->cpu_type) cpu_type = cfg->cpu_type;
407 if (cfg->loop_cycles) loop_cycles = cfg->loop_cycles;
410 cfg->platform = make_platform_config("none", "generic");
411 cfg->platform->platform_initial_setup(cfg);
414 if (cfg->mouse_enabled) {
415 mouse_fd = open(cfg->mouse_file, O_RDWR | O_NONBLOCK);
416 if (mouse_fd == -1) {
417 printf("Failed to open %s, can't enable mouse hook.\n", cfg->mouse_file);
418 cfg->mouse_enabled = 0;
421 * *-*-*-* magic numbers! *-*-*-*
422 * great, so waaaay back in the history of the pc, the ps/2 protocol set the standard for mice
423 * and in the process, the mouse sample rate was defined as a way of putting mice into vendor-specific modes.
424 * as the ancient gpm command explains, almost everything except incredibly old mice talk the IntelliMouse
425 * protocol, which reports four bytes. by default, every mouse starts in 3-byte mode (don't report wheel or
426 * additional buttons) until imps2 magic is sent. so, command $f3 is "set sample rate", followed by a byte.
428 uint8_t mouse_init[] = { 0xf4, 0xf3, 0x64 }; // enable, then set sample rate 100
429 uint8_t imps2_init[] = { 0xf3, 0xc8, 0xf3, 0x64, 0xf3, 0x50 }; // magic sequence; set sample 200, 100, 80
430 if (write(mouse_fd, mouse_init, sizeof(mouse_init)) != -1) {
431 if (write(mouse_fd, imps2_init, sizeof(imps2_init)) == -1)
432 printf("[MOUSE] Couldn't enable scroll wheel events; is this mouse from the 1980s?\n");
434 printf("[MOUSE] Mouse didn't respond to normal PS/2 init; have you plugged a brick in by mistake?\n");
438 keyboard_fd = open(keyboard_file, O_RDONLY | O_NONBLOCK);
439 if (keyboard_fd == -1) {
440 printf("Failed to open keyboard event source.\n");
445 signal(SIGINT, sigint_handler);
448 //goto skip_everything;
450 // Enable 200MHz CLK output on GPIO4, adjust divider and pll source depending
452 printf("Enable 200MHz GPCLK0 on GPIO4\n");
453 gpio_enable_200mhz();
455 // reset cpld statemachine first
463 // reset amiga and statemachine
469 printf("Setting CPU type to %d.\n", cpu_type);
470 m68k_set_cpu_type(cpu_type);
474 m68k_set_reg(M68K_REG_PC, 0xF80002);
476 m68k_set_reg(M68K_REG_PC, 0x0);
479 ps_reset_state_machine();
484 printf("Setting CPU type to %d.\n", cpu_type);
485 m68k_set_cpu_type(cpu_type);
488 pthread_t ipl_tid, cpu_tid;
490 err = pthread_create(&ipl_tid, NULL, &ipl_task, NULL);
492 printf("[ERROR] Cannot create IPL thread: [%s]", strerror(err));
494 pthread_setname_np(ipl_tid, "pistorm: ipl");
495 printf("IPL thread created successfully\n");
499 err = pthread_create(&cpu_tid, NULL, &cpu_task, NULL);
501 printf("[ERROR] Cannot create CPU thread: [%s]", strerror(err));
503 pthread_setname_np(cpu_tid, "pistorm: cpu");
504 printf("CPU thread created successfully\n");
507 // wait for cpu task to end before closing up and finishing
508 pthread_join(cpu_tid, NULL);
509 printf("[MAIN] All threads appear to have concluded; ending process\n");
519 void cpu_pulse_reset(void) {
522 // printf("Status Reg%x\n",read_reg());
525 // printf("Status Reg%x\n",read_reg());
526 if (cfg->platform->handle_reset)
527 cfg->platform->handle_reset(cfg);
530 m68k_write_memory_16(INTENA, 0x7FFF);
532 m68k_write_memory_8(0xbfe201, 0x0001); // AMIGA OVL
533 m68k_write_memory_8(0xbfe001, 0x0001); // AMIGA OVL high (ROM@0x0)
538 int cpu_irq_ack(int level) {
539 printf("cpu irq ack\n");
543 static unsigned int target = 0;
544 static uint8_t send_keypress = 0;
546 uint8_t cdtv_dmac_reg_idx_read();
547 void cdtv_dmac_reg_idx_write(uint8_t value);
548 uint32_t cdtv_dmac_read(uint32_t address, uint8_t type);
549 void cdtv_dmac_write(uint32_t address, uint32_t value, uint8_t type);
551 #define PLATFORM_CHECK_READ(a) \
552 if (address >= cfg->custom_low && address < cfg->custom_high) { \
553 unsigned int target = 0; \
554 switch(cfg->platform->id) { \
555 case PLATFORM_AMIGA: { \
556 if (address >= PISCSI_OFFSET && address < PISCSI_UPPER) { \
557 return handle_piscsi_read(address, a); \
559 if (address >= PINET_OFFSET && address < PINET_UPPER) { \
560 return handle_pinet_read(address, a); \
562 if (address >= PIGFX_RTG_BASE && address < PIGFX_UPPER) { \
563 return rtg_read((address & 0x0FFFFFFF), a); \
565 if (custom_read_amiga(cfg, address, &target, a) != -1) { \
574 if (ovl || (address >= cfg->mapped_low && address < cfg->mapped_high)) { \
575 if (handle_mapped_read(cfg, address, &target, a) != -1) \
579 unsigned int m68k_read_memory_8(unsigned int address) {
580 PLATFORM_CHECK_READ(OP_TYPE_BYTE);
582 /*if (address >= 0xE90000 && address < 0xF00000) {
583 printf("BYTE read from DMAC @%.8X:", address);
584 uint32_t v = cdtv_dmac_read(address & 0xFFFF, OP_TYPE_BYTE);
587 cpu_emulation_running = 0;
591 /*if (m68k_get_reg(NULL, M68K_REG_PC) >= 0x080032F0 && m68k_get_reg(NULL, M68K_REG_PC) <= 0x080032F0 + 0x4000) {
592 stop_cpu_emulation(1);
596 if (address & 0xFF000000)
599 unsigned char result = (unsigned int)read8((uint32_t)address);
601 if (mouse_hook_enabled) {
602 if (address == CIAAPRA) {
603 if (mouse_buttons & 0x01) {
604 //mouse_buttons -= 1;
605 return (unsigned int)(result ^ 0x40);
608 return (unsigned int)result;
612 if (kb_hook_enabled) {
613 if (address == CIAAICR) {
614 if (get_num_kb_queued() && (!send_keypress || send_keypress == 1)) {
619 if (send_keypress == 2) {
625 if (address == CIAADAT) {
626 //if (send_keypress) {
627 uint8_t c = 0, t = 0;
628 pop_queued_key(&c, &t);
630 result = ((c << 1) | t) ^ 0xFF;
641 unsigned int m68k_read_memory_16(unsigned int address) {
642 PLATFORM_CHECK_READ(OP_TYPE_WORD);
644 /*if (m68k_get_reg(NULL, M68K_REG_PC) >= 0x080032F0 && m68k_get_reg(NULL, M68K_REG_PC) <= 0x080032F0 + 0x4000) {
645 stop_cpu_emulation(1);
648 /*if (address >= 0xE90000 && address < 0xF00000) {
649 printf("WORD read from DMAC @%.8X:", address);
650 uint32_t v = cdtv_dmac_read(address & 0xFFFF, OP_TYPE_WORD);
653 cpu_emulation_running = 0;
657 if (mouse_hook_enabled) {
658 if (address == JOY0DAT) {
659 // Forward mouse valueses to Amyga.
660 unsigned short result = (mouse_dy << 8) | (mouse_dx);
661 return (unsigned int)result;
663 /*if (address == CIAAPRA) {
664 unsigned short result = (unsigned int)read16((uint32_t)address);
665 if (mouse_buttons & 0x01) {
666 return (unsigned int)(result | 0x40);
669 return (unsigned int)result;
671 if (address == POTGOR) {
672 unsigned short result = (unsigned int)read16((uint32_t)address);
673 // bit 1 rmb, bit 2 mmb
674 if (mouse_buttons & 0x06) {
675 return (unsigned int)((result ^ ((mouse_buttons & 0x02) << 9)) // move rmb to bit 10
676 & (result ^ ((mouse_buttons & 0x04) << 6))); // move mmb to bit 8
678 return (unsigned int)(result & 0xfffd);
682 if (address & 0xFF000000)
685 if (address & 0x01) {
686 return ((read8(address) << 8) | read8(address + 1));
688 return (unsigned int)read16((uint32_t)address);
691 unsigned int m68k_read_memory_32(unsigned int address) {
692 PLATFORM_CHECK_READ(OP_TYPE_LONGWORD);
694 /*if (m68k_get_reg(NULL, M68K_REG_PC) >= 0x080032F0 && m68k_get_reg(NULL, M68K_REG_PC) <= 0x080032F0 + 0x4000) {
695 stop_cpu_emulation(1);
698 /*if (address >= 0xE90000 && address < 0xF00000) {
699 printf("LONGWORD read from DMAC @%.8X:", address);
700 uint32_t v = cdtv_dmac_read(address & 0xFFFF, OP_TYPE_LONGWORD);
703 cpu_emulation_running = 0;
707 if (address & 0xFF000000)
710 if (address & 0x01) {
711 uint32_t c = read8(address);
712 c |= (be16toh(read16(address+1)) << 8);
713 c |= (read8(address + 3) << 24);
716 uint16_t a = read16(address);
717 uint16_t b = read16(address + 2);
718 return (a << 16) | b;
721 #define PLATFORM_CHECK_WRITE(a) \
722 if (address >= cfg->custom_low && address < cfg->custom_high) { \
723 switch(cfg->platform->id) { \
724 case PLATFORM_AMIGA: { \
725 if (address >= PISCSI_OFFSET && address < PISCSI_UPPER) { \
726 handle_piscsi_write(address, value, a); \
728 if (address >= PINET_OFFSET && address < PINET_UPPER) { \
729 handle_pinet_write(address, value, a); \
731 if (address >= PIGFX_RTG_BASE && address < PIGFX_UPPER) { \
732 rtg_write((address & 0x0FFFFFFF), value, a); \
735 if (custom_write_amiga(cfg, address, value, a) != -1) { \
744 if (address >= cfg->mapped_low && address < cfg->mapped_high) { \
745 if (handle_mapped_write(cfg, address, value, a) != -1) \
749 void m68k_write_memory_8(unsigned int address, unsigned int value) {
750 PLATFORM_CHECK_WRITE(OP_TYPE_BYTE);
752 /*if (address >= 0xE90000 && address < 0xF00000) {
753 printf("BYTE write to DMAC @%.8X: %.2X\n", address, value);
754 cdtv_dmac_write(address & 0xFFFF, value, OP_TYPE_BYTE);
756 cpu_emulation_running = 0;
760 if (address == 0xbfe001) {
761 if (ovl != (value & (1 << 0))) {
762 ovl = (value & (1 << 0));
763 printf("OVL:%x\n", ovl);
767 if (address & 0xFF000000)
770 write8((uint32_t)address, value);
774 void m68k_write_memory_16(unsigned int address, unsigned int value) {
775 PLATFORM_CHECK_WRITE(OP_TYPE_WORD);
777 /*if (address >= 0xE90000 && address < 0xF00000) {
778 printf("WORD write to DMAC @%.8X: %.4X\n", address, value);
779 cdtv_dmac_write(address & 0xFFFF, value, OP_TYPE_WORD);
781 cpu_emulation_running = 0;
785 if (address == 0xDFF030) {
786 char *serdat = (char *)&value;
787 // SERDAT word. see amiga dev docs appendix a; upper byte is control codes, and bit 0 is always 1.
788 // ignore this upper byte as it's not viewable data, only display lower byte.
789 printf("%c", serdat[0]);
791 if (address == 0xDFF09A) {
792 if (!(value & 0x8000)) {
797 else if (value & 0x04) {
802 if (address & 0xFF000000)
806 printf("Unaligned WORD write!\n");
808 write16((uint32_t)address, value);
812 void m68k_write_memory_32(unsigned int address, unsigned int value) {
813 PLATFORM_CHECK_WRITE(OP_TYPE_LONGWORD);
815 /*if (address >= 0xE90000 && address < 0xF00000) {
816 printf("LONGWORD write to DMAC @%.8X: %.8X\n", address, value);
817 cdtv_dmac_write(address & 0xFFFF, value, OP_TYPE_LONGWORD);
819 cpu_emulation_running = 0;
823 if (address & 0xFF000000)
827 printf("Unaligned LONGWORD write!\n");
829 write16(address, value >> 16);
830 write16(address + 2, value);