mirror of
https://github.com/sanni/cartreader.git
synced 2024-11-23 21:19:16 +01:00
948 lines
25 KiB
C++
948 lines
25 KiB
C++
//******************************************
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// INTELLIVISION MODULE
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//******************************************
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#ifdef enable_INTV
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// Mattel Intellivision
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// Cartridge Pinout
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// 44P 2.54mm pitch connector
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//
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// TOP SIDE BOTTOM SIDE
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// (EVEN) (ODD)
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// +-------+
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// GND -| 2 1 |- GND
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// CBLNK -| 4 3 |- /MSYNC
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// EXT AUD -| 6 5 |- DB7
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// EXT VID -| 8 7 |- DB8
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// MCLK -| 10 9 |- DB6
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// RESET -| 12 11 |- DB9
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// SR1 -| 14 13 |- DB5
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// VOICE -| 16 15 |- DB10
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// VOICE -| 18 17 |- DB4
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// GND -| 20 19 |- DB11
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// GND -| 22 21 |- DB3
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// GND -| 24 23 |- DB12
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// GND -| 26 25 |- DB13
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// GND -| 28 27 |- DB2
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// /BUSAK -| 30 29 |- DB14
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// BC1 -| 32 31 |- DB1
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// BC2 -| 34 33 |- DB0
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// BDIR -| 36 35 |- DB15
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// BDIR -| 38 37 |- BDIR
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// BC2 -| 40 39 |- BC2
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// BC1 -| 42 41 |- BC1
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// GND -| 44 43 |- VCC(+5V)
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// +-------+
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// CONTROL PINS:
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// /MSYNC(PH3)- PIN 3 [ROM PIN 14]
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// BC1(PH4) - PIN 41 [ROM PIN 28]
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// BC2(PH5) - PIN 39 [ROM PIN 27]
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// BDIR(PH6) - PIN 37 [ROM PIN 26]
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// NOTE: BDIR/BC1/BC2 ONLY CONNECTED TO BOTTOM (ODD) PINS
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// NOT CONNECTED:
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// RESET(PH0) - N/C - GND IN CART
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// MCLK(PH1) - N/C - GND IN CART
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// BUS PROTOCOL COMMANDS - BDIR/BC1/BC2
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// NO ACTION (NACT): 0/0/0
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// ADDR TO REG (ADAR): 0/1/0
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// INT ADDR TO BUS (IAB): 0/0/1
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// DATA TO BUS (DTB): 0/1/1
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// BUS TO ADDR (BAR): 1/0/0
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// DATA WRITE (DW): 1/1/0
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// DATA WRITE STROBE (DWS): 1/0/1
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// INTERRUPT ACK (INTAK): 1/1/1
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// Cart Configurations
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// Format = {mapper,romlo,romhi,ramsize}
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static const byte PROGMEM intvmapsize[] = {
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0, 0, 2, 0, // default mattel up to 32K (8K/16K/24K/32K)
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1, 1, 3, 0, // demo cart 16K, championship tennis 32K, wsml baseball 48K
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2, 1, 3, 0, // up to 48K (16K/32K/48K)
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3, 4, 4, 0, // tower of doom 48K
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4, 0, 1, 1, // uscf chess 16K + RAM 1K
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5, 2, 3, 0, // congo bongo/defender/pac-man 24K, dig dug 32K
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6, 1, 1, 0, // centipede 16K
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7, 1, 1, 0, // imagic carts 16K
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8, 1, 1, 0, // mte-201 test cart 16K
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9, 3, 3, 2, // triple challenge 32K + RAM 2K
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};
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byte intvmapcount = 10; // (sizeof(mapsize)/sizeof(mapsize[0])) / 4;
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boolean intvmapfound = false;
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byte intvmapselect;
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int intvindex;
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const byte INTV[] PROGMEM = { 8, 16, 24, 32, 48 };
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byte intvlo = 0; // Lowest Entry
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byte intvhi = 4; // Highest Entry
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byte intvmapper;
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byte newintvmapper;
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byte intvsize;
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byte newintvsize;
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// EEPROM MAPPING
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// 07 MAPPER
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// 08 ROM SIZE
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//******************************************
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// Menu
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//******************************************
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// Base Menu
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static const char intvMenuItem1[] PROGMEM = "Select Cart";
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static const char intvMenuItem2[] PROGMEM = "Read ROM";
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static const char intvMenuItem3[] PROGMEM = "Set Mapper + Size";
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//static const char intvMenuItem4[] PROGMEM = "Reset"; (stored in common strings array)
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static const char* const menuOptionsINTV[] PROGMEM = { intvMenuItem1, intvMenuItem2, intvMenuItem3, string_reset2 };
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void setup_INTV() {
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// Set Address Pins to Output (UNUSED)
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//A0-A7
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DDRF = 0xFF;
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//A8-A15
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DDRK = 0xFF;
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//A16-A23
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DDRL = 0xFF;
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// Set Control Pins to Output
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// ---(PH0) ---(PH1) /MSYNC(PH3) BC1(PH4) BC2(PH5) BDIR(PH6)
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DDRH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
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// Set TIME(PJ0) to Output (UNUSED)
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DDRJ |= (1 << 0);
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// Set Pins (DB0-DB15) to Input
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DDRC = 0x00;
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DDRA = 0x00;
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// Setting Control Pins to HIGH
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// ---(PH0) ---(PH1) /MSYNC(PH3) BC1(PH4) BC2(PH5) BDIR(PH6)
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PORTH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
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// Set Unused Pins HIGH
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PORTF = 0xFF; // A0-A7
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PORTK = 0xFF; // A8-A15
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PORTL = 0xFF; // A16-A23
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PORTJ |= (1 << 0); // TIME(PJ0)
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checkStatus_INTV();
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strcpy(romName, "INTV");
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mode = mode_INTV;
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}
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void intvMenu() {
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vselect(false);
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convertPgm(menuOptionsINTV, 4);
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uint8_t mainMenu = question_box(F("INTELLIVISION MENU"), menuOptions, 4, 0);
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switch (mainMenu) {
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case 0:
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// Select Cart
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setCart_INTV();
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setup_INTV();
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break;
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case 1:
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// Read ROM
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sd.chdir("/");
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readROM_INTV();
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sd.chdir("/");
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break;
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case 2:
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// Set Mapper
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setMapper_INTV();
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checkMapperSize_INTV();
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setROMSize_INTV();
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break;
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case 3:
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// reset
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resetArduino();
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break;
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}
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}
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//******************************************
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// INTELLIVISION BUS PROTOCOL COMMANDS
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//******************************************
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// CONTROL PINS - BDIR/BC1/BC2
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// NO ACTION (NACT): 0/0/0
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// ADDR TO REG (ADAR): 0/1/0 [NOTE: ORDER BDIR/BC1/BC2]
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// DATA TO BUS (DTB): 0/1/1
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// BUS TO ADDR (BAR): 1/0/0
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// DATA WRITE (DW): 1/1/0 [NOTE: ORDER BDIR/BC1/BC2]
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// DATA WRITE STROBE (DWS): 1/0/1 [NOTE: ORDER BDIR/BC1/BC2]
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// IMMEDIATE MODE DATA READ SEQUENCE: BAR-NACT-DTB-NACT
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// IMMEDIATE MODE DATA WRITE SEQUENCE: BAR-NACT-DW-DWS-NACT
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// DIRECT ADDRESSING MODE READ SEQUENCE: BAR-NACT-ADAR-NACT-DTB-NACT
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// NO ACTION (NACT) - 0/0/0
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void NACT_INT() {
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// Switch BC1(PH4) + BC2(PH5) + BDIR(PH6) to LOW
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PORTH &= ~(1 << 4) & ~(1 << 5) & ~(1 << 6);
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// DB0..DB15 INPUT
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DDRC = 0x00;
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DDRA = 0x00;
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}
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// SET ADDRESS - BUS TO ADDR (BAR) - 1/0/0
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void BAR_INT() {
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// Switch BDIR(PH6) to HIGH
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PORTH |= (1 << 6);
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// Switch BC1(PH4) + BC2(PH5) to LOW
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PORTH &= ~(1 << 4) & ~(1 << 5);
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// Address OUT
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DDRC = 0xFF;
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DDRA = 0xFF;
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}
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// READ DATA - DATA TO BUS (DTB) - 0/1/1
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void DTB_INT() {
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// Switch BDIR(PH6) to LOW
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PORTH &= ~(1 << 6);
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// Switch BC1(PH4) + BC2(PH5) to HIGH
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PORTH |= (1 << 4) | (1 << 5);
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// Data IN
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DDRC = 0x00;
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DDRA = 0x00;
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}
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// ADDRESS DATA TO ADDRESS REGISTER (ADAR) - 0/1/0
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void ADAR_INT() {
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// Switch BC2(PH5) + BDIR(PH6) to LOW
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PORTH &= ~(1 << 5) & ~(1 << 6);
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// Switch BC1(PH4) to HIGH
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PORTH |= (1 << 4);
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}
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// DATA WRITE PAIRED COMMAND - DW + DWS
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// DATA SHOULD BE STABLE ACROSS BOTH
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// DATA WRITE (DW) - 1/1/0
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void DW_INT() {
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// Switch BC1(PH4) + BDIR(PH6) to HIGH
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PORTH |= (1 << 4) | (1 << 6);
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// Switch BC2(PH5) to LOW
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PORTH &= ~(1 << 5);
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}
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// DATA WRITE STROBE (DWS) - 1/0/1
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void DWS_INT() {
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// Switch BC2(PH5) + BDIR(PH6) to HIGH
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PORTH |= (1 << 5) | (1 << 6);
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// Switch BC1(PH4) to LOW
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PORTH &= ~(1 << 4);
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}
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//******************************************
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// READ CODE
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//******************************************
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uint16_t readData_INTV(uint32_t addr) {
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PORTC = addr & 0xFF;
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PORTA = (addr >> 8) & 0xFF;
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BAR_INT();
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// Wait for bus
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// 5 x 62.5ns = 312.5ns
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NACT_INT();
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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DTB_INT();
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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uint16_t ret = (((PINA & 0xFF) << 8) | (PINC & 0xFF));
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NACT_INT();
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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return ret;
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}
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// MAPPER ROM ADDRESSES
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// 0: 0x50-0x70,0xD0-0xE0,0xF0-0x100, // default mattel up to 32K (8K/16K/24K/32K)
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// 1: 0x50-0x70,0xD0-0x100, // demo cart 16K, championship tennis 32K, wsml baseball 48K
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// 2: 0x50-0x70,0x90-0xC0,0xD0-0xE0, // up to 48K (16K/32K/48K)
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// 3: 0x50-0x70,0x90-0xB0,0xD0-0xE0,0xF0-0x100, // tower of doom 48K
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// 4: 0x50-0x70, // uscf chess 16K + RAM 1K
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// 5: 0x50-0x80,0x90-0xC0, // congo bongo/defender/pac-man 24K, dig dug 32K
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// 6: 0x60-0x80, // centipede 16K
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// 7: 0x48-0x68, // imagic carts 16K
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// 8: 0x50-0x60,0x70-0x80, // mte-201 test cart 16K
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// 9: 0x50-0x70,0x90-0xB0,[0xC0-0xC8,0xD0-0xD8] // triple challenge 32K + RAM 2K [0xC0 + 0xD0 segments are not needed]
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void readSegment_INTV(uint32_t startaddr, uint32_t endaddr) {
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for (uint32_t addr = startaddr; addr < endaddr; addr += 256) {
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for (uint16_t w = 0; w < 256; w++) {
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uint16_t temp = readData_INTV(addr + w);
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sdBuffer[w * 2] = (temp >> 8) & 0xFF;
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sdBuffer[(w * 2) + 1] = temp & 0xFF;
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}
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myFile.write(sdBuffer, 512);
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}
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}
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// MODIFIED READ ROUTINE FOR ALL 10 MAPPERS
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void readROM_INTV() {
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strcpy(fileName, romName);
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strcat(fileName, ".int");
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// create a new folder for storing rom file
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EEPROM_readAnything(0, foldern);
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sprintf(folder, "INTV/ROM/%d", foldern);
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sd.mkdir(folder, true);
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sd.chdir(folder);
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display_Clear();
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print_STR(saving_to_STR, 0);
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print_Msg(folder);
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println_Msg(F("/..."));
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display_Update();
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// open file on sdcard
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if (!myFile.open(fileName, O_RDWR | O_CREAT))
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print_FatalError(create_file_STR);
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// write new folder number back to EEPROM
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foldern++;
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EEPROM_writeAnything(0, foldern);
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switch (intvmapper) {
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case 0: //default mattel up to 32K (8K/16K/24K/32K)
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readSegment_INTV(0x5000, 0x6000); // 8K
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if (intvsize > 0) {
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readSegment_INTV(0x6000, 0x7000); // +8K = 16K
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if (intvsize > 1) {
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readSegment_INTV(0xD000, 0xE000); // +8K = 24K
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if (intvsize > 2)
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readSegment_INTV(0xF000, 0x10000); // +8K = 32K
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}
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}
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break;
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case 1: // demo cart/championship tennis/wsml baseball
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readSegment_INTV(0x5000, 0x7000); // 16K Demo Cart
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if (intvsize > 1) {
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readSegment_INTV(0xD000, 0xE000); // +8K = 24K [NONE]
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if (intvsize > 2) {
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readSegment_INTV(0xE000, 0xF000); // +8K = 32K Championship Tennis
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if (intvsize > 3) {
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readSegment_INTV(0xF000, 0x10000); // +8K = 40K WSML Baseball [MISSING 8K ECS BANK]
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// ecs bank switch
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ecsBank(0xFFFF, 0x1); // switch ecs page 1 to 0xF000
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readSegment_INTV(0xF000, 0x10000); // + 8K = 48K WSML Baseball
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ecsBank(0xFFFF, 0x0); // reset ecs page 0 to 0xF000
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}
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}
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}
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break;
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case 2: // up to 48K (16K/32K/48K)
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readSegment_INTV(0x5000, 0x7000); // 16K
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if (intvsize > 1) {
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readSegment_INTV(0x9000, 0xA000); // +8K = 24K [NONE]
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if (intvsize > 2) {
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readSegment_INTV(0xA000, 0xB000); // +8K = 32K
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if (intvsize > 3) {
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readSegment_INTV(0xB000, 0xC000); // +8K = 40K
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readSegment_INTV(0xD000, 0xE000); // +8K = 48K
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}
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}
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}
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break;
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case 3: // tower of doom 48K
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readSegment_INTV(0x5000, 0x7000); // 16K
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readSegment_INTV(0x9000, 0xB000); // +16K = 32K
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readSegment_INTV(0xD000, 0xE000); // +8K = 40K
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readSegment_INTV(0xF000, 0x10000); // +8K = 48K
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break;
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case 4: // chess 16K
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PORTH &= ~(1 << 3); // /MSYNC to LOW
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readSegment_INTV(0x5000, 0x6000); // 8K
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PORTH |= (1 << 3); // /MSYNC to HIGH
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readSegment_INTV(0x6000, 0x7000); // 8K
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break;
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case 5: // congo bongo/defender/pac-man/dig dug
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readSegment_INTV(0x5000, 0x7000); // 16K
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readSegment_INTV(0x7000, 0x8000); // +8K = 24K Congo Bongo/Defender/Pac-Man
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if (intvsize > 2) {
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readSegment_INTV(0x9000, 0xA000); // +8K = 32K Dig Dug
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//readSegment_INTV(0xA000,0xC000); // +16K = 48K [UNUSED]
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}
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break;
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case 6: // centipede 16K
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readSegment_INTV(0x6000, 0x8000); // 16K
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break;
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case 7: // imagic carts 16K
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readSegment_INTV(0x4800, 0x6800); // 16K
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break;
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case 8: //mte-201 test cart 16K
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readSegment_INTV(0x5000, 0x6000); // 8K
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readSegment_INTV(0x7000, 0x8000); // +8K = 16K
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break;
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case 9: // triple challenge 32K [KNOWN ROM 44K BAD!]
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readSegment_INTV(0x5000, 0x7000); // 16K
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readSegment_INTV(0x9000, 0xB000); // +16K = 32K
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// 0xC000 + 0xD000 SEGMENTS ARE NOT NEEDED (PER INTVNUT POST)
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// readSegment_INTV(0xC000,0xC800); // +4K = 36K
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// readSegment_INTV(0xD000,0xE000); // +8K = 44K
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break;
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}
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myFile.close();
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// Compare CRC32 to database and rename ROM if found
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compareCRC("intv.txt", 0, 1, 0);
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println_Msg(F(""));
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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}
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// ECS BANKSWITCH FOR WSML BASEBALL
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// write $xA5y to $xFFF
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// x = rom location ($x000 - $xFFF)
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// y = page (up to 16 - WSML Baseball only uses 0/1)
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void ecsBank(uint32_t addr, uint8_t bank) {
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uint16_t ecsdata = (addr & 0xF000) + 0x0A50 + bank; // $xA5y
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// Data OUT
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DDRA = 0xFF;
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DDRC = 0xFF;
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// Set Address
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PORTA = (addr >> 8) & 0xFF;
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PORTC = addr & 0xFF;
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BAR_INT();
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NOP;
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NOP;
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NOP;
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NOP;
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NOP;
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NACT_INT();
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NOP;
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// Data OUT
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DDRA = 0xFF;
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DDRC = 0xFF;
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PORTA = (ecsdata >> 8) & 0xFF; // $xA
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PORTC = ecsdata & 0xFF; // $5y
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DW_INT();
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NOP;
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NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
DWS_INT();
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NACT_INT();
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
NOP;
|
|
}
|
|
|
|
//******************************************
|
|
// MAPPER CODE
|
|
//******************************************
|
|
|
|
void setMapper_INTV() {
|
|
#if (defined(enable_OLED) || defined(enable_LCD))
|
|
int b = 0;
|
|
int i = 0;
|
|
// Check Button Status
|
|
#if defined(enable_OLED)
|
|
buttonVal1 = (PIND & (1 << 7)); // PD7
|
|
#elif defined(enable_LCD)
|
|
boolean buttonVal1 = (PING & (1 << 2)); // PG2
|
|
#endif
|
|
if (buttonVal1 == LOW) { // Button Pressed
|
|
while (1) { // Scroll Mapper List
|
|
#if defined(enable_OLED)
|
|
buttonVal1 = (PIND & (1 << 7)); // PD7
|
|
#elif defined(enable_LCD)
|
|
boolean buttonVal1 = (PING & (1 << 2)); // PG2
|
|
#endif
|
|
if (buttonVal1 == HIGH) { // Button Released
|
|
// Correct Overshoot
|
|
if (i == 0)
|
|
i = intvmapcount - 1;
|
|
else
|
|
i--;
|
|
break;
|
|
}
|
|
display_Clear();
|
|
print_Msg(F("Mapper: "));
|
|
intvindex = i * 4;
|
|
intvmapselect = pgm_read_byte(intvmapsize + intvindex);
|
|
println_Msg(intvmapselect);
|
|
display_Update();
|
|
if (i == (intvmapcount - 1))
|
|
i = 0;
|
|
else
|
|
i++;
|
|
delay(250);
|
|
}
|
|
}
|
|
|
|
display_Clear();
|
|
print_Msg(F("Mapper: "));
|
|
intvindex = i * 4;
|
|
intvmapselect = pgm_read_byte(intvmapsize + intvindex);
|
|
println_Msg(intvmapselect);
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
print_STR(press_to_change_STR, 1);
|
|
print_STR(right_to_select_STR, 1);
|
|
#elif defined(enable_LCD)
|
|
print_STR(rotate_to_change_STR, 1);
|
|
print_STR(press_to_select_STR, 1);
|
|
#endif
|
|
display_Update();
|
|
|
|
while (1) {
|
|
b = checkButton();
|
|
|
|
if (b == 2) { // Previous Mapper (doubleclick)
|
|
if (i == 0)
|
|
i = intvmapcount - 1;
|
|
else
|
|
i--;
|
|
|
|
// Only update display after input because of slow LCD library
|
|
display_Clear();
|
|
print_Msg(F("Mapper: "));
|
|
intvindex = i * 4;
|
|
intvmapselect = pgm_read_byte(intvmapsize + intvindex);
|
|
println_Msg(intvmapselect);
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
print_STR(press_to_change_STR, 1);
|
|
print_STR(right_to_select_STR, 1);
|
|
#elif defined(enable_LCD)
|
|
print_STR(rotate_to_change_STR, 1);
|
|
print_STR(press_to_select_STR, 1);
|
|
#endif
|
|
display_Update();
|
|
}
|
|
if (b == 1) { // Next Mapper (press)
|
|
if (i == (intvmapcount - 1))
|
|
i = 0;
|
|
else
|
|
i++;
|
|
|
|
// Only update display after input because of slow LCD library
|
|
display_Clear();
|
|
print_Msg(F("Mapper: "));
|
|
intvindex = i * 4;
|
|
intvmapselect = pgm_read_byte(intvmapsize + intvindex);
|
|
println_Msg(intvmapselect);
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
print_STR(press_to_change_STR, 1);
|
|
print_STR(right_to_select_STR, 1);
|
|
#elif defined(enable_LCD)
|
|
print_STR(rotate_to_change_STR, 1);
|
|
print_STR(press_to_select_STR, 1);
|
|
#endif
|
|
display_Update();
|
|
}
|
|
if (b == 3) { // Long Press - Execute (hold)
|
|
newintvmapper = intvmapselect;
|
|
break;
|
|
}
|
|
}
|
|
display.setCursor(0, 56);
|
|
print_Msg(F("MAPPER "));
|
|
print_Msg(newintvmapper);
|
|
println_Msg(F(" SELECTED"));
|
|
display_Update();
|
|
delay(1000);
|
|
#else
|
|
setmapper:
|
|
String newmap;
|
|
intvmapfound = false;
|
|
Serial.print(F("Enter Mapper [0-9]: "));
|
|
while (Serial.available() == 0) {}
|
|
newmap = Serial.readStringUntil('\n');
|
|
Serial.println(newmap);
|
|
newintvmapper = newmap.toInt();
|
|
for (int i = 0; i < intvmapcount; i++) {
|
|
intvindex = i * 4;
|
|
intvmapselect = pgm_read_byte(intvmapsize + intvindex);
|
|
if (newintvmapper == intvmapselect)
|
|
intvmapfound = true;
|
|
}
|
|
if (intvmapfound == false) {
|
|
Serial.println(F("MAPPER NOT SUPPORTED!"));
|
|
Serial.println(F(""));
|
|
newintvmapper = 0;
|
|
goto setmapper;
|
|
}
|
|
#endif
|
|
EEPROM_writeAnything(7, newintvmapper);
|
|
intvmapper = newintvmapper;
|
|
}
|
|
|
|
void checkMapperSize_INTV() {
|
|
for (int i = 0; i < intvmapcount; i++) {
|
|
intvindex = i * 4;
|
|
byte mapcheck = pgm_read_byte(intvmapsize + intvindex);
|
|
if (mapcheck == intvmapper) {
|
|
intvlo = pgm_read_byte(intvmapsize + intvindex + 1);
|
|
intvhi = pgm_read_byte(intvmapsize + intvindex + 2);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void setROMSize_INTV() {
|
|
#if (defined(enable_OLED) || defined(enable_LCD))
|
|
display_Clear();
|
|
if (intvlo == intvhi)
|
|
newintvsize = intvlo;
|
|
else {
|
|
int b = 0;
|
|
int i = intvlo;
|
|
|
|
// Only update display after input because of slow LCD library
|
|
display_Clear();
|
|
print_Msg(F("ROM Size: "));
|
|
println_Msg(pgm_read_byte(&(INTV[i])));
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
print_STR(press_to_change_STR, 1);
|
|
print_STR(right_to_select_STR, 1);
|
|
#elif defined(enable_LCD)
|
|
print_STR(rotate_to_change_STR, 1);
|
|
print_STR(press_to_select_STR, 1);
|
|
#endif
|
|
display_Update();
|
|
|
|
while (1) {
|
|
b = checkButton();
|
|
if (b == 2) { // Previous (doubleclick)
|
|
if (i == intvlo)
|
|
i = intvhi;
|
|
else
|
|
i--;
|
|
|
|
// Only update display after input because of slow LCD library
|
|
display_Clear();
|
|
print_Msg(F("ROM Size: "));
|
|
println_Msg(pgm_read_byte(&(INTV[i])));
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
print_STR(press_to_change_STR, 1);
|
|
print_STR(right_to_select_STR, 1);
|
|
#elif defined(enable_LCD)
|
|
print_STR(rotate_to_change_STR, 1);
|
|
print_STR(press_to_select_STR, 1);
|
|
#endif
|
|
display_Update();
|
|
}
|
|
if (b == 1) { // Next (press)
|
|
if (i == intvhi)
|
|
i = intvlo;
|
|
else
|
|
i++;
|
|
|
|
display_Clear();
|
|
print_Msg(F("ROM Size: "));
|
|
println_Msg(pgm_read_byte(&(INTV[i])));
|
|
println_Msg(F(""));
|
|
#if defined(enable_OLED)
|
|
print_STR(press_to_change_STR, 1);
|
|
print_STR(right_to_select_STR, 1);
|
|
#elif defined(enable_LCD)
|
|
print_STR(rotate_to_change_STR, 1);
|
|
print_STR(press_to_select_STR, 1);
|
|
#endif
|
|
display_Update();
|
|
}
|
|
if (b == 3) { // Long Press - Execute (hold)
|
|
newintvsize = i;
|
|
break;
|
|
}
|
|
}
|
|
display.setCursor(0, 56); // Display selection at bottom
|
|
}
|
|
print_Msg(F("ROM SIZE "));
|
|
print_Msg(pgm_read_byte(&(INTV[newintvsize])));
|
|
println_Msg(F("K"));
|
|
display_Update();
|
|
delay(1000);
|
|
#else
|
|
if (intvlo == intvhi)
|
|
newintvsize = intvlo;
|
|
else {
|
|
setrom:
|
|
String sizeROM;
|
|
for (int i = 0; i < (intvhi - intvlo + 1); i++) {
|
|
Serial.print(F("Select ROM Size: "));
|
|
Serial.print(i);
|
|
Serial.print(F(" = "));
|
|
Serial.print(pgm_read_byte(&(INTV[i + intvlo])));
|
|
Serial.println(F("K"));
|
|
}
|
|
Serial.print(F("Enter ROM Size: "));
|
|
while (Serial.available() == 0) {}
|
|
sizeROM = Serial.readStringUntil('\n');
|
|
Serial.println(sizeROM);
|
|
newintvsize = sizeROM.toInt() + intvlo;
|
|
if (newintvsize > intvhi) {
|
|
Serial.println(F("SIZE NOT SUPPORTED"));
|
|
Serial.println(F(""));
|
|
goto setrom;
|
|
}
|
|
}
|
|
Serial.print(F("ROM Size = "));
|
|
Serial.print(pgm_read_byte(&(INTV[newintvsize])));
|
|
Serial.println(F("K"));
|
|
#endif
|
|
EEPROM_writeAnything(8, newintvsize);
|
|
intvsize = newintvsize;
|
|
}
|
|
|
|
void checkStatus_INTV() {
|
|
EEPROM_readAnything(7, intvmapper);
|
|
EEPROM_readAnything(8, intvsize);
|
|
if (intvmapper > 9) {
|
|
intvmapper = 0;
|
|
EEPROM_writeAnything(7, intvmapper);
|
|
}
|
|
if (intvsize > 4) {
|
|
intvsize = 0;
|
|
EEPROM_writeAnything(8, intvsize);
|
|
}
|
|
|
|
#if (defined(enable_OLED) || defined(enable_LCD))
|
|
display_Clear();
|
|
println_Msg(F("INTELLIVISION READER"));
|
|
println_Msg(F("CURRENT SETTINGS"));
|
|
println_Msg(F(""));
|
|
print_Msg(F("MAPPER: "));
|
|
println_Msg(intvmapper);
|
|
print_Msg(F("ROM SIZE: "));
|
|
print_Msg(pgm_read_byte(&(INTV[intvsize])));
|
|
println_Msg(F("K"));
|
|
display_Update();
|
|
wait();
|
|
#else
|
|
Serial.print(F("CURRENT MAPPER: "));
|
|
Serial.println(intvmapper);
|
|
Serial.print(F("CURRENT ROM SIZE: "));
|
|
Serial.print(pgm_read_byte(&(INTV[intvsize])));
|
|
Serial.println(F("K"));
|
|
Serial.println(F(""));
|
|
#endif
|
|
}
|
|
|
|
//******************************************
|
|
// CART SELECT CODE
|
|
//******************************************
|
|
void setCart_INTV() {
|
|
char gamename[100];
|
|
char tempStr2[2];
|
|
char crc_search[9];
|
|
|
|
//go to root
|
|
sd.chdir();
|
|
|
|
// Select starting letter
|
|
byte myLetter = starting_letter();
|
|
|
|
// Open database
|
|
if (myFile.open("intv.txt", O_READ)) {
|
|
// Skip ahead to selected starting letter
|
|
if ((myLetter > 0) && (myLetter <= 26)) {
|
|
while (myFile.available()) {
|
|
// Read current name
|
|
get_line(gamename, &myFile, 96);
|
|
|
|
// Compare selected letter with first letter of current name until match
|
|
while (gamename[0] != 64 + myLetter) {
|
|
skip_line(&myFile);
|
|
skip_line(&myFile);
|
|
get_line(gamename, &myFile, 96);
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Rewind one line
|
|
rewind_line(myFile);
|
|
}
|
|
|
|
// Display database
|
|
while (myFile.available()) {
|
|
display_Clear();
|
|
|
|
// Read game name
|
|
get_line(gamename, &myFile, 96);
|
|
|
|
// Read CRC32 checksum
|
|
sprintf(checksumStr, "%c", myFile.read());
|
|
for (byte i = 0; i < 7; i++) {
|
|
sprintf(tempStr2, "%c", myFile.read());
|
|
strcat(checksumStr, tempStr2);
|
|
}
|
|
|
|
// Skip over semicolon
|
|
myFile.seekCur(1);
|
|
|
|
// Read CRC32 of first 512 bytes
|
|
sprintf(crc_search, "%c", myFile.read());
|
|
for (byte i = 0; i < 7; i++) {
|
|
sprintf(tempStr2, "%c", myFile.read());
|
|
strcat(crc_search, tempStr2);
|
|
}
|
|
|
|
// Skip over semicolon
|
|
myFile.seekCur(1);
|
|
|
|
// Read mapper
|
|
intvmapper = myFile.read() - 48;
|
|
|
|
// Skip over semicolon
|
|
myFile.seekCur(1);
|
|
|
|
// Read rom size
|
|
// Read the next ascii character and subtract 48 to convert to decimal
|
|
cartSize = myFile.read() - 48;
|
|
|
|
// Remove leading 0 for single digit cart sizes
|
|
if (cartSize != 0) {
|
|
cartSize = cartSize * 10 + myFile.read() - 48;
|
|
} else {
|
|
cartSize = myFile.read() - 48;
|
|
}
|
|
|
|
// Skip over semicolon
|
|
myFile.seekCur(1);
|
|
|
|
// Read SRAM size
|
|
byte sramSize __attribute__((unused)) = myFile.read() - 48;
|
|
|
|
// Skip rest of line
|
|
myFile.seekCur(2);
|
|
|
|
// Skip every 3rd line
|
|
skip_line(&myFile);
|
|
|
|
println_Msg(F("Select your cartridge"));
|
|
println_Msg(F(""));
|
|
println_Msg(gamename);
|
|
print_Msg(F("Size: "));
|
|
print_Msg(cartSize);
|
|
println_Msg(F("KB"));
|
|
print_Msg(F("Mapper: "));
|
|
println_Msg(intvmapper);
|
|
#if defined(enable_OLED)
|
|
print_STR(press_to_change_STR, 1);
|
|
print_STR(right_to_select_STR, 1);
|
|
#elif defined(enable_LCD)
|
|
print_STR(rotate_to_change_STR, 1);
|
|
print_STR(press_to_select_STR, 1);
|
|
#elif defined(SERIAL_MONITOR)
|
|
println_Msg(F("U/D to Change"));
|
|
println_Msg(F("Space to Select"));
|
|
#endif
|
|
display_Update();
|
|
|
|
int b = 0;
|
|
while (1) {
|
|
// Check button input
|
|
b = checkButton();
|
|
|
|
// Next
|
|
if (b == 1) {
|
|
break;
|
|
}
|
|
|
|
// Previous
|
|
else if (b == 2) {
|
|
rewind_line(myFile, 6);
|
|
break;
|
|
}
|
|
|
|
// Selection
|
|
else if (b == 3) {
|
|
//byte INTV[] = {8, 16, 24, 32, 48};
|
|
switch (cartSize) {
|
|
case 8:
|
|
intvsize = 0;
|
|
break;
|
|
|
|
case 16:
|
|
intvsize = 1;
|
|
break;
|
|
|
|
case 24:
|
|
intvsize = 2;
|
|
break;
|
|
|
|
case 32:
|
|
intvsize = 3;
|
|
break;
|
|
|
|
case 48:
|
|
intvsize = 4;
|
|
break;
|
|
|
|
default:
|
|
intvsize = 0;
|
|
break;
|
|
}
|
|
EEPROM_writeAnything(7, intvmapper);
|
|
EEPROM_writeAnything(8, intvsize);
|
|
myFile.close();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
print_FatalError(F("Database file not found"));
|
|
}
|
|
}
|
|
#endif
|
|
//******************************************
|
|
// End of File
|
|
//******************************************
|