// license:GPL-2.0+ // copyright-holders:Felipe Sanches /* Patinho Feio */ #include "emu.h" #include "bus/generic/slot.h" #include "bus/generic/carts.h" #include "softlist.h" #include "cpu/patinhofeio/patinhofeio_cpu.h" #include "includes/patinhofeio.h" #include "patinho.lh" /* driver init function */ void patinho_feio_state::init_patinho_feio() { m_out = &output(); m_prev_ACC = 0; m_prev_opcode = 0; m_prev_mem_data = 0; m_prev_mem_addr = 0; m_prev_PC = 0; m_prev_FLAGS = 0; m_prev_RC = 0; } void patinho_feio_state::update_panel(uint8_t ACC, uint8_t opcode, uint8_t mem_data, uint16_t mem_addr, uint16_t PC, uint8_t FLAGS, uint16_t RC, uint8_t mode){ char lamp_id[11]; static char const *const button_names[] = { "NORMAL", "CICLOUNICO", "INSTRUCAOUNICA", "ENDERECAMENTO", "ARMAZENAMENTO", "EXPOSICAO" }; for (int i=0; i<6; i++){ m_out->set_value(button_names[i], (mode == i) ? 1 : 0); } for (int i=0; i<8; i++){ if ((m_prev_ACC ^ ACC) & (1 << i)){ sprintf(lamp_id, "acc%d", i); m_out->set_value(lamp_id, (ACC >> i) & 1); } if ((m_prev_opcode ^ opcode) & (1 << i)){ sprintf(lamp_id, "opcode%d", i); m_out->set_value(lamp_id, (opcode >> i) & 1); } if ((m_prev_mem_data ^ mem_data) & (1 << i)){ sprintf(lamp_id, "mem_data%d", i); m_out->set_value(lamp_id, (mem_data >> i) & 1); } } m_prev_ACC = ACC; m_prev_opcode = opcode; m_prev_mem_data = mem_data; for (int i=0; i<12; i++){ if ((m_prev_mem_addr ^ mem_addr) & (1 << i)){ sprintf(lamp_id, "mem_addr%d", i); m_out->set_value(lamp_id, (mem_addr >> i) & 1); } if ((m_prev_PC ^ PC) & (1 << i)){ sprintf(lamp_id, "pc%d", i); m_out->set_value(lamp_id, (PC >> i) & 1); } if ((m_prev_RC ^ RC) & (1 << i)){ sprintf(lamp_id, "rc%d", i); m_out->set_value(lamp_id, (RC >> i) & 1); } } m_prev_mem_addr = mem_addr; m_prev_PC = PC; m_prev_RC = RC; if ((m_prev_FLAGS ^ FLAGS) & (1 << 0)) m_out->set_value("flags0", (FLAGS >> 0) & 1); if ((m_prev_FLAGS ^ FLAGS) & (1 << 1)) m_out->set_value("flags1", (FLAGS >> 1) & 1); m_prev_FLAGS = FLAGS; } WRITE8_MEMBER(patinho_feio_state::decwriter_data_w) { m_decwriter->write(data); m_maincpu->set_iodev_status(0xA, IODEV_BUSY); if (data == 0x0D){ m_decwriter_timer->adjust(attotime::from_hz(1/0.700)); //carriage return takes 700 msecs } else { m_decwriter_timer->adjust(attotime::from_hz(10)); //10 characters per second } m_decwriter_timer->enable(1); //start the timer } /* timer callback to generate decwriter char print completion signal */ TIMER_CALLBACK_MEMBER(patinho_feio_state::decwriter_callback) { m_maincpu->set_iodev_status(0xA, IODEV_READY); m_decwriter_timer->enable(0); //stop the timer } void patinho_feio_state::decwriter_kbd_input(u8 data) { m_maincpu->transfer_byte_from_external_device(0xA, ~data); } WRITE8_MEMBER(patinho_feio_state::teletype_data_w) { m_tty->write(data); m_maincpu->set_iodev_status(0xB, IODEV_READY); m_teletype_timer->adjust(attotime::from_hz(10)); //10 characters per second m_teletype_timer->enable(1); //start the timer } /* timer callback to generate teletype char print completion signal */ TIMER_CALLBACK_MEMBER(patinho_feio_state::teletype_callback) { m_maincpu->set_iodev_status(0xB, IODEV_READY); m_teletype_timer->enable(0); //stop the timer } void patinho_feio_state::teletype_kbd_input(u8 data) { //I figured out that the data is provided inverted (2's complement) //based on a comment in the source code listing of the HEXAM program. //It is not clear though, if all I/O devices complement the data when //communicating with the computer, or if this behaviour is a particular //characteristic of the teletype. m_maincpu->transfer_byte_from_external_device(0xB, ~data); } /* The hardware does not perform this checking. This is implemented here only for debugging purposes. Also, proper punched paper tape emulation does not use this function at all. */ void patinho_feio_state::load_tape(const char* name){ uint8_t *RAM = (uint8_t *) memshare("maincpu:internalram")->ptr(); uint8_t *data = memregion(name)->base(); unsigned int data_length = data[0]; unsigned int start_address = data[1]*256 + data[2]; int8_t expected_checksum = data[data_length + 3]; int8_t checksum = 0; for (int i = 0; i < data_length + 3; i++){ checksum -= (int8_t) data[i]; } if (checksum != expected_checksum){ printf("[WARNING] Tape \"%s\": checksum = 0x%02X (expected 0x%02X)\n", name, (unsigned char) checksum, (unsigned char) expected_checksum); } memcpy(&RAM[start_address], &data[3], data_length); } void patinho_feio_state::load_raw_data(const char* name, unsigned int start_address, unsigned int data_length){ uint8_t *RAM = (uint8_t *) memshare("maincpu:internalram")->ptr(); uint8_t *data = memregion(name)->base(); memcpy(&RAM[start_address], data, data_length); } DEVICE_IMAGE_LOAD_MEMBER( patinho_feio_state::tape_load ) { if (image.loaded_through_softlist()) { paper_tape_length = image.get_software_region_length("rom"); paper_tape_data = image.get_software_region("rom"); paper_tape_address = 0; } return image_init_result::PASS; } void patinho_feio_state::machine_start(){ m_teletype_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(patinho_feio_state::teletype_callback),this)); m_decwriter_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(patinho_feio_state::decwriter_callback),this)); // Copy some programs directly into RAM. // This is a hack for setting up the computer // while we don't support loading programs // from punched tape rolls... //"absolute program example" from page 16.7 // Prints "PATINHO FEIO" on the DECWRITER: load_tape("exemplo_16.7"); //"absolute program example" from appendix G: // Allows users to load programs from the // console into the computer memory. load_raw_data("hexam", 0xE00, 0x0D5); load_raw_data("loader", 0xF80, 0x080); //load_raw_data("micro_pre_loader", 0x000, 0x02A); //this is still experimental } static INPUT_PORTS_START( patinho_feio ) PORT_START("RC") PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RC bit 0") PORT_CODE(KEYCODE_EQUALS) PORT_TOGGLE PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RC bit 1") PORT_CODE(KEYCODE_MINUS) PORT_TOGGLE PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RC bit 2") PORT_CODE(KEYCODE_0) PORT_TOGGLE PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RC bit 3") PORT_CODE(KEYCODE_9) PORT_TOGGLE PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RC bit 4") PORT_CODE(KEYCODE_8) PORT_TOGGLE PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RC bit 5") PORT_CODE(KEYCODE_7) PORT_TOGGLE PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RC bit 6") PORT_CODE(KEYCODE_6) PORT_TOGGLE PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RC bit 7") PORT_CODE(KEYCODE_5) PORT_TOGGLE PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RC bit 8") PORT_CODE(KEYCODE_4) PORT_TOGGLE PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RC bit 7") PORT_CODE(KEYCODE_3) PORT_TOGGLE PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RC bit 10") PORT_CODE(KEYCODE_2) PORT_TOGGLE PORT_BIT(0x800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RC bit 11") PORT_CODE(KEYCODE_1) PORT_TOGGLE PORT_START("BUTTONS") /* Modo de Operacao: EXECUCAO */ PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("NORMAL") PORT_CODE(KEYCODE_A) PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CICLO UNICO") PORT_CODE(KEYCODE_S) PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("INSTRUCAO UNICA") PORT_CODE(KEYCODE_D) /* Modo de Operacao: MEMORIA */ PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ENDERECAMENTO") PORT_CODE(KEYCODE_Z) PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ARMAZENAMENTO") PORT_CODE(KEYCODE_X) PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("EXPOSICAO") PORT_CODE(KEYCODE_C) /* Comando: */ PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ESPERA") PORT_CODE(KEYCODE_Q) PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("INTERRUPCAO") PORT_CODE(KEYCODE_W) PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PARTIDA") PORT_CODE(KEYCODE_E) PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PREPARACAO") PORT_CODE(KEYCODE_R) /* Switches */ PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ENDERECAMENTO (Fixo/Sequencial)") PORT_CODE(KEYCODE_N) PORT_TOGGLE PORT_BIT(0x800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("MEMORIA (Liberada/Protegida)") PORT_CODE(KEYCODE_M) PORT_TOGGLE INPUT_PORTS_END void patinho_feio_state::patinho_feio(machine_config &config) { /* basic machine hardware */ /* CPU @ approx. 500 kHz (memory cycle time is 2usec) */ PATO_FEIO_CPU(config, m_maincpu, 500000); m_maincpu->rc_read().set_ioport("RC"); m_maincpu->buttons_read().set_ioport("BUTTONS"); /* Printer */ // m_maincpu->iodev_write<5>().set(FUNC(patinho_feio_state::printer_data_w)); /* Papertape Puncher */ // m_maincpu->iodev_write<8>().set(FUNC(patinho_feio_state::papertape_punch_data_w)); /* Card Reader */ // m_maincpu->iodev_read<9>().set(FUNC(patinho_feio_state::cardreader_data_r)); /* DECWRITER (max. speed: ?) */ m_maincpu->iodev_write<10>().set(FUNC(patinho_feio_state::decwriter_data_w)); /* Teleprinter TeleType ASR33 (max. speed: 10 characters per second) with paper tape reading (and optionally punching) capabilities */ m_maincpu->iodev_write<11>().set(FUNC(patinho_feio_state::teletype_data_w)); /* Papertape Reader Hewlett-Packard HP-2737-A Optical Papertape Reader (max. speed: 300 characters per second) */ // m_maincpu->iodev_read<14>().set(FUNC(patinho_feio_state::papertapereader_data_r)); /* DECWRITER */ TELEPRINTER(config, m_decwriter, 0); m_decwriter->set_keyboard_callback(FUNC(patinho_feio_state::decwriter_kbd_input)); /* Teletype */ TELEPRINTER(config, m_tty, 1); m_tty->set_keyboard_callback(FUNC(patinho_feio_state::teletype_kbd_input)); /* punched tape */ GENERIC_CARTSLOT(config, "cartslot", generic_plain_slot, "patinho_tape", "bin").set_device_load(FUNC(patinho_feio_state::tape_load)); config.set_default_layout(layout_patinho); // software lists // SOFTWARE_LIST(config, "tape_list").set_original("patinho"); } ROM_START( patinho ) ROM_REGION( 0x0d5, "hexam", 0 ) ROM_LOAD( "apendice_g__hexam.bin", 0x000, 0x0d5, CRC(e608f6d3) SHA1(3f76b5f91d9b2573e70919539d47752e7623e40a) ) ROM_REGION( 0x0d5, "exemplo_16.7", 0 ) ROM_LOAD( "exemplo_16.7.bin", 0x000, 0x028, CRC(0a87ac8d) SHA1(7c35ac3eed9ed239f2ef56c26e6f0c59f635e1ac) ) ROM_REGION( 0x080, "loader", 0 ) ROM_LOAD( "loader.bin", 0x000, 0x080, BAD_DUMP CRC(c2a8fa9d) SHA1(0ae4f711ef5d6e9d26c611fd2c8c8ac45ecbf9e7) ) /* Micro pre-loader: This was re-created by professor Joao Jose Neto based on his vague recollection of sequences of opcode values from almost 40 years ago :-) */ ROM_REGION( 0x02a, "micro_pre_loader", 0 ) ROM_LOAD( "micro-pre-loader.bin", 0x000, 0x02a, CRC(1921feab) SHA1(bb063102e44e9ab963f95b45710141dc2c5046b0) ) ROM_END // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1972, patinho, 0, 0, patinho_feio, patinho_feio, patinho_feio_state, init_patinho_feio, "Escola Politecnica - Universidade de Sao Paulo", "Patinho Feio" , MACHINE_NO_SOUND_HW | MACHINE_NOT_WORKING )