145 lines
4.2 KiB
C
145 lines
4.2 KiB
C
/////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// Name: tzpu.c
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// Created: May 2020
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// Author(s): Philip Smart
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// Description: The TranZPUter control program, responsible for booting up and configuring the
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// underlying host, providing SD card services and interactive menus.
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// Credits:
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// Copyright: (c) 2019-2020 Philip Smart <philip.smart@net2net.org>
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//
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// History: May 2020 - Initial write of the TranZPUter software.
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//
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// Notes: See Makefile to enable/disable conditional components
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//
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/////////////////////////////////////////////////////////////////////////////////////////////////////////
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// This source file is free software: you can redistribute it and#or modify
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// it under the terms of the GNU General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This source file is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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/////////////////////////////////////////////////////////////////////////////////////////////////////////
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#define TZPU_VERSION "1.0"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(__K64F__)
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#include <stdio.h>
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#include <ctype.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include <usb_serial.h>
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#include <core_pins.h>
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#include <Arduino.h>
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#include "k64f_soc.h"
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#include <../../libraries/include/stdmisc.h>
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#elif defined(__ZPU__)
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#include <stdint.h>
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#include <stdio.h>
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#include "zpu_soc.h"
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#include <stdlib.h>
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#include <ctype.h>
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#include <stdmisc.h>
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#else
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#error "Target CPU not defined, use __ZPU__ or __K64F__"
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#endif
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#include "interrupts.h"
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#include "ff.h" /* Declarations of FatFs API */
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#include "utils.h"
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//
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#if defined __ZPUTA__
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#include "zputa_app.h"
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#elif defined __ZOS__
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#include "zOS_app.h"
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#else
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#error OS not defined, use __ZPUTA__ or __ZOS__
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#endif
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//
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#include <app.h>
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#include <tranzputer.h>
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#include "tzpu.h"
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// Utility functions.
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#include <tools.c>
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// Version info.
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#define VERSION "v1.0"
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#define VERSION_DATE "15/05/2020"
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#define APP_NAME "TZPU"
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void testBus(void)
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{
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printf("Requesting Z80 BUS and Mainboard access\n");
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if(reqMainboardBus(100) == 0)
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{
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setupSignalsForZ80Access(WRITE);
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uint8_t data = 0x00;
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// while(digitalRead(Z80_WAIT) == 0);
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for(uint16_t idx=0xD000; idx < 0xD800; idx++)
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{
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writeZ80Memory(idx, data);
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// delay(1000000);
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data++;
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}
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releaseZ80();
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}
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else
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{
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printf("Failed to obtain the Z80 bus.\n");
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}
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}
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// Main entry and start point of a zOS/ZPUTA Application. Only 2 parameters are catered for and a 32bit return code, additional parameters can be added by changing the appcrt0.s
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// startup code to add them to the stack prior to app() call.
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//
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// Return code for the ZPU is saved in _memreg by the C compiler, this is transferred to _memreg in zOS/ZPUTA in appcrt0.s prior to return.
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// The K64F ARM processor uses the standard register passing conventions, return code is stored in R0.
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//
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uint32_t app(uint32_t param1, uint32_t param2)
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{
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// Initialisation.
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//
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// char *ptr = (char *)param1;
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// char *pathName;
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uint32_t retCode = 1;
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// Get name of file to load.
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//
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//pathName = getStrParam(&ptr);
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//if(strlen(pathName) == 0)
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//{
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// printf("Usage: tzpu <file>\n");
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//}
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// _init_Teensyduino_internal_();
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// setupZ80Pins(1, G->millis);
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printf("Loading Monitor ROM\n");
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loadZ80Memory("SA1510.rom", 0, 0x00000000, 0, 0, 0, 1);
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printf("Loading Floppy ROM\n");
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loadZ80Memory("1Z-013A.rom", 0, 0x0000F000, 0, 0, 0, 1);
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printf("Testing Display\n");
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testBus();
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//displaySignals();
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return(retCode);
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}
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#ifdef __cplusplus
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}
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#endif
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