mirror of
https://github.com/JorjBauer/aiie.git
synced 2024-11-22 15:31:41 +00:00
949 lines
22 KiB
C++
949 lines
22 KiB
C++
#include <string.h>
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#include "globals.h"
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#include "bios.h"
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#include "applevm.h"
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#include "physicalkeyboard.h"
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#include "physicaldisplay.h"
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#include "cpu.h"
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#ifdef TEENSYDUINO
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#include <TeensyThreads.h>
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#include <Bounce2.h>
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#include "teensy-paddles.h"
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extern Bounce resetButtonDebouncer;
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#endif
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// Experimenting with using EXTMEM to cache all the filenames in a directory
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#ifndef TEENSYDUINO
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#define EXTMEM
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#endif
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struct _cacheEntry {
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char fn[BIOS_MAXPATH];
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};
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#define BIOSCACHESIZE 1024 // hope that's enough files?
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EXTMEM char cachedPath[BIOS_MAXPATH] = {0};
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EXTMEM char cachedFilter[BIOS_MAXPATH] = {0};
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EXTMEM struct _cacheEntry biosCache[BIOSCACHESIZE];
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uint16_t numCacheEntries = 0;
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enum {
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ACT_EXIT = 1,
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ACT_RESET = 2,
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ACT_COLDBOOT = 3,
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ACT_MONITOR = 4,
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ACT_DISPLAYTYPE = 5,
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ACT_DEBUG = 6,
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ACT_DISK1 = 7,
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ACT_DISK2 = 8,
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ACT_HD1 = 9,
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ACT_HD2 = 10,
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ACT_VOLPLUS = 11,
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ACT_VOLMINUS = 12,
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ACT_SUSPEND = 13,
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ACT_RESTORE = 14,
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ACT_PADX_INV = 15,
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ACT_PADY_INV = 16,
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ACT_PADDLES = 17,
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ACT_SPEED = 18,
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ACT_ABOUT = 19,
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};
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#define NUM_TITLES 4
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const char *menuTitles[NUM_TITLES] = { "Aiie", "VM", "Hardware", "Disks" };
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const uint8_t titleWidths[NUM_TITLES] = {45, 28, 80, 45 };
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const uint8_t aiieActions[] = { ACT_ABOUT };
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const uint8_t vmActions[] = { ACT_EXIT, ACT_RESET, ACT_COLDBOOT, ACT_MONITOR,
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ACT_DEBUG, ACT_SUSPEND, ACT_RESTORE };
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const uint8_t hardwareActions[] = { ACT_DISPLAYTYPE, ACT_SPEED,
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ACT_PADX_INV, ACT_PADY_INV,
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ACT_PADDLES, ACT_VOLPLUS, ACT_VOLMINUS };
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const uint8_t diskActions[] = { ACT_DISK1, ACT_DISK2,
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ACT_HD1, ACT_HD2 };
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#define CPUSPEED_HALF 0
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#define CPUSPEED_FULL 1
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#define CPUSPEED_DOUBLE 2
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#define CPUSPEED_QUAD 3
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const char *staticPathConcat(const char *rootPath, const char *filePath)
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{
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static char buf[MAXPATH];
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strncpy(buf, rootPath, sizeof(buf)-1);
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strncat(buf, filePath, sizeof(buf)-strlen(buf)-1);
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return buf;
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}
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BIOS::BIOS()
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{
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selectedMenu = 1;
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selectedMenuItem = 0;
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selectedFile = -1;
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for (int8_t i=0; i<BIOS_MAXFILES; i++) {
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// Put end terminators in place; strncpy won't copy over them
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fileDirectory[i][BIOS_MAXPATH] = '\0';
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}
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}
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BIOS::~BIOS()
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{
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}
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void BIOS::DrawMenuBar()
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{
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uint8_t xpos = 0;
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if (selectedMenu < 0) {
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selectedMenu = NUM_TITLES-1;
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}
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selectedMenu %= NUM_TITLES;
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#define XPADDING 2
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for (int i=0; i<NUM_TITLES; i++) {
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for (int x=0; x<titleWidths[i] + 2*XPADDING; x++) {
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g_display->drawPixel(xpos+x, 0, 0xFFFF);
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g_display->drawPixel(xpos+x, 16, 0xFFFF);
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}
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for (int y=0; y<=16; y++) {
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g_display->drawPixel(xpos, y, 0xFFFF);
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g_display->drawPixel(xpos + titleWidths[i] + 2*XPADDING, y, 0xFFFF);
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}
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xpos += XPADDING;
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g_display->drawString(selectedMenu == i ? M_SELECTDISABLED : M_DISABLED,
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xpos, 2, menuTitles[i]);
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xpos += titleWidths[i] + XPADDING;
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}
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}
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bool BIOS::runUntilDone()
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{
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// Reset the cache
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cachedPath[0] = 0;
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numCacheEntries = 0;
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g_filemanager->getRootPath(rootPath, sizeof(rootPath));
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// FIXME: abstract these constant speeds
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currentCPUSpeedIndex = CPUSPEED_FULL;
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if (g_speed == 1023000/2)
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currentCPUSpeedIndex = CPUSPEED_HALF;
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if (g_speed == 1023000*2)
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currentCPUSpeedIndex = CPUSPEED_DOUBLE;
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if (g_speed == 1023000*4)
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currentCPUSpeedIndex = CPUSPEED_QUAD;
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int8_t prevAction = ACT_EXIT;
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while (1) {
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switch (prevAction = GetAction(prevAction)) {
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case ACT_EXIT:
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goto done;
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case ACT_COLDBOOT:
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ColdReboot();
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goto done;
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case ACT_RESET:
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WarmReset();
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goto done;
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case ACT_MONITOR:
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((AppleVM *)g_vm)->Monitor();
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goto done;
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case ACT_DISPLAYTYPE:
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g_displayType++;
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g_displayType %= 4; // FIXME: abstract max #
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((AppleDisplay*)g_display)->displayTypeChanged();
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break;
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case ACT_ABOUT:
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showAbout();
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break;
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case ACT_SPEED:
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currentCPUSpeedIndex++;
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currentCPUSpeedIndex %= 4;
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switch (currentCPUSpeedIndex) {
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case CPUSPEED_HALF:
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g_speed = 1023000/2;
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break;
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case CPUSPEED_DOUBLE:
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g_speed = 1023000*2;
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break;
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case CPUSPEED_QUAD:
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g_speed = 1023000*4;
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break;
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default:
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g_speed = 1023000;
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break;
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}
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break;
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case ACT_DEBUG:
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g_debugMode++;
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g_debugMode %= 9; // FIXME: abstract max #
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break;
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case ACT_DISK1:
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if (((AppleVM *)g_vm)->DiskName(0)[0] != '\0') {
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((AppleVM *)g_vm)->ejectDisk(0);
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} else {
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if (SelectDiskImage("dsk,.po,nib,woz")) {
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((AppleVM *)g_vm)->insertDisk(0, staticPathConcat(rootPath, fileDirectory[selectedFile]), false);
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goto done;
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}
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}
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break;
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case ACT_DISK2:
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if (((AppleVM *)g_vm)->DiskName(1)[0] != '\0') {
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((AppleVM *)g_vm)->ejectDisk(1);
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} else {
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if (SelectDiskImage("dsk,.po,nib,woz")) {
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((AppleVM *)g_vm)->insertDisk(1, staticPathConcat(rootPath, fileDirectory[selectedFile]), false);
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goto done;
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}
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}
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break;
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case ACT_HD1:
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if (((AppleVM *)g_vm)->HDName(0)[0] != '\0') {
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((AppleVM *)g_vm)->ejectHD(0);
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} else {
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if (SelectDiskImage("img")) {
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((AppleVM *)g_vm)->insertHD(0, staticPathConcat(rootPath, fileDirectory[selectedFile]));
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goto done;
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}
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}
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break;
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case ACT_HD2:
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if (((AppleVM *)g_vm)->HDName(1)[0] != '\0') {
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((AppleVM *)g_vm)->ejectHD(1);
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} else {
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if (SelectDiskImage("img")) {
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((AppleVM *)g_vm)->insertHD(1, staticPathConcat(rootPath, fileDirectory[selectedFile]));
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goto done;
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}
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}
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break;
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case ACT_PADX_INV:
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g_invertPaddleX = !g_invertPaddleX;
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#ifdef TEENSYDUINO
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((TeensyPaddles *)g_paddles)->setRev(g_invertPaddleX, g_invertPaddleY);
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#endif
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break;
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case ACT_PADY_INV:
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g_invertPaddleY = !g_invertPaddleY;
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#ifdef TEENSYDUINO
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((TeensyPaddles *)g_paddles)->setRev(g_invertPaddleX, g_invertPaddleY);
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#endif
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break;
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case ACT_PADDLES:
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ConfigurePaddles();
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break;
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case ACT_VOLPLUS:
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g_volume ++;
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if (g_volume > 15) {
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g_volume = 15;
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}
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break;
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case ACT_VOLMINUS:
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g_volume--;
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if (g_volume < 0) {
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g_volume = 0;
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}
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break;
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case ACT_SUSPEND:
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g_display->clrScr();
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g_display->drawString(M_SELECTED, 80, 100,"Suspending VM...");
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g_display->flush();
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// CPU is already suspended, so this is safe...
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((AppleVM *)g_vm)->Suspend("suspend.vm");
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break;
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case ACT_RESTORE:
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// CPU is already suspended, so this is safe...
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g_display->clrScr();
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g_display->drawString(M_SELECTED, 80, 100,"Resuming VM...");
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g_display->flush();
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((AppleVM *)g_vm)->Resume("suspend.vm");
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break;
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}
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}
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done:
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// Undo whatever damage we've done to the screen
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g_display->redraw();
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AiieRect r = { 0, 0, 191, 279 };
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g_display->blit(r);
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// return true if any persistent setting changed that we want to store in eeprom
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return true;
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}
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void BIOS::WarmReset()
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{
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g_cpu->Reset();
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}
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void BIOS::ColdReboot()
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{
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g_vm->Reset();
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g_cpu->Reset();
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}
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uint8_t BIOS::GetAction(int8_t selection)
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{
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while (1) {
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DrawMainMenu();
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while (!g_keyboard->kbhit()
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#ifdef TEENSYDUINO
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&&
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(resetButtonDebouncer.read() == HIGH)
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#endif
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) {
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#ifdef TEENSYDUINO
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threads.delay(1);
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#else
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usleep(100);
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#endif
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// Wait for either a keypress or the reset button to be pressed
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}
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#ifdef TEENSYDUINO
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if (resetButtonDebouncer.read() == LOW) {
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// wait until it's no longer pressed
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while (resetButtonDebouncer.read() == HIGH)
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;
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threads.delay(100); // wait long enough for it to debounce
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// then return an exit code
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return ACT_EXIT;
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}
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#else
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// FIXME: look for F10 or ESC & return ACT_EXIT?
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#endif
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// selectedMenuItem and selectedMenu can go out of bounds here, and that's okay;
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// the current menu (and the menu bar) will re-pin it appropriately...
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switch (g_keyboard->read()) {
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case PK_DARR:
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selectedMenuItem++;
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break;
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case PK_UARR:
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selectedMenuItem--;
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break;
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case PK_RARR:
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selectedMenu++;
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break;
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case PK_LARR:
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selectedMenu--;
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break;
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case PK_RET:
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{
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int8_t activeAction = getCurrentMenuAction();
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if (activeAction > 0) {
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return activeAction;
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}
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}
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break;
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}
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}
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}
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int8_t BIOS::getCurrentMenuAction()
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{
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int8_t ret = -1;
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switch (selectedMenu) {
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case 0: // Aiie
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if (isActionActive(aiieActions[selectedMenuItem]))
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return aiieActions[selectedMenuItem];
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break;
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case 1: // VM
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if (isActionActive(vmActions[selectedMenuItem]))
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return vmActions[selectedMenuItem];
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break;
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case 2: // Hardware
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if (isActionActive(hardwareActions[selectedMenuItem]))
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return hardwareActions[selectedMenuItem];
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break;
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case 3: // Disks
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if (isActionActive(diskActions[selectedMenuItem]))
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return diskActions[selectedMenuItem];
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break;
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}
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return ret;
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}
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bool BIOS::isActionActive(int8_t action)
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{
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// don't return true for disk events that aren't valid
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switch (action) {
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case ACT_EXIT:
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case ACT_RESET:
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case ACT_COLDBOOT:
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case ACT_MONITOR:
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case ACT_DISPLAYTYPE:
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case ACT_SPEED:
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case ACT_ABOUT:
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case ACT_DEBUG:
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case ACT_DISK1:
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case ACT_DISK2:
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case ACT_HD1:
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case ACT_HD2:
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case ACT_SUSPEND:
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case ACT_RESTORE:
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case ACT_PADX_INV:
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case ACT_PADY_INV:
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case ACT_PADDLES:
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return true;
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case ACT_VOLPLUS:
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return (g_volume < 15);
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case ACT_VOLMINUS:
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return (g_volume > 0);
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}
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/* NOTREACHED */
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return false;
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}
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void BIOS::DrawAiieMenu()
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{
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if (selectedMenuItem < 0)
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selectedMenuItem = sizeof(aiieActions)-1;
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selectedMenuItem %= sizeof(aiieActions);
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char buf[40];
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for (int i=0; i<sizeof(aiieActions); i++) {
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switch (aiieActions[i]) {
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case ACT_ABOUT:
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sprintf(buf, "About...");
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break;
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}
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if (isActionActive(aiieActions[i])) {
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g_display->drawString(selectedMenuItem == i ? M_SELECTED : M_NORMAL, 10, 20 + 14 * i, buf);
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} else {
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g_display->drawString(selectedMenuItem == i ? M_SELECTDISABLED : M_DISABLED, 10, 20 + 14 * i,
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buf);
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}
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}
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}
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void BIOS::DrawVMMenu()
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{
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if (selectedMenuItem < 0)
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selectedMenuItem = sizeof(vmActions)-1;
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selectedMenuItem %= sizeof(vmActions);
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char buf[40];
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for (int i=0; i<sizeof(vmActions); i++) {
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switch (vmActions[i]) {
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case ACT_DEBUG:
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{
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const char *templateString = "Debug: %s";
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switch (g_debugMode) {
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case D_NONE:
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sprintf(buf, templateString, "off");
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break;
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case D_SHOWFPS:
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sprintf(buf, templateString, "Show FPS");
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break;
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case D_SHOWMEMFREE:
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sprintf(buf, templateString, "Show mem free");
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break;
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case D_SHOWPADDLES:
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sprintf(buf, templateString, "Show paddles");
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break;
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case D_SHOWPC:
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sprintf(buf, templateString, "Show PC");
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break;
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case D_SHOWCYCLES:
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sprintf(buf, templateString, "Show cycles");
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break;
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case D_SHOWBATTERY:
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sprintf(buf, templateString, "Show battery");
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break;
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case D_SHOWTIME:
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sprintf(buf, templateString, "Show time");
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break;
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case D_SHOWDSK:
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sprintf(buf, templateString, "Show Disk");
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break;
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}
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}
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break;
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case ACT_EXIT:
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strcpy(buf, "Resume");
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break;
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case ACT_RESET:
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strcpy(buf, "Reset");
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break;
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case ACT_COLDBOOT:
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strcpy(buf, "Cold Reboot");
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break;
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case ACT_MONITOR:
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strcpy(buf, "Drop to Monitor");
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break;
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case ACT_SUSPEND:
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strcpy(buf, "Suspend VM");
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break;
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case ACT_RESTORE:
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strcpy(buf, "Restore VM");
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break;
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}
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if (isActionActive(vmActions[i])) {
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g_display->drawString(selectedMenuItem == i ? M_SELECTED : M_NORMAL, 10, 20 + 14 * i, buf);
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} else {
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g_display->drawString(selectedMenuItem == i ? M_SELECTDISABLED : M_DISABLED, 10, 20 + 14 * i, buf);
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}
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}
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}
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void BIOS::DrawHardwareMenu()
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{
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if (selectedMenuItem < 0)
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selectedMenuItem = sizeof(hardwareActions)-1;
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selectedMenuItem %= sizeof(hardwareActions);
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char buf[40];
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for (int i=0; i<sizeof(hardwareActions); i++) {
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switch (hardwareActions[i]) {
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case ACT_DISPLAYTYPE:
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{
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const char *templateString = "Display: %s";
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switch (g_displayType) {
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case m_blackAndWhite:
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sprintf(buf, templateString, "B&W");
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break;
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case m_monochrome:
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sprintf(buf, templateString, "Mono");
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break;
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case m_ntsclike:
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sprintf(buf, templateString, "NTSC-like");
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break;
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case m_perfectcolor:
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sprintf(buf, templateString, "RGB");
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break;
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}
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}
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break;
|
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case ACT_SPEED:
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{
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const char *templateString = "CPU Speed: %s";
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switch (currentCPUSpeedIndex) {
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case CPUSPEED_HALF:
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sprintf(buf, templateString, "Half [511.5 kHz]");
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break;
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case CPUSPEED_DOUBLE:
|
|
sprintf(buf, templateString, "Double (2.046 MHz)");
|
|
break;
|
|
case CPUSPEED_QUAD:
|
|
sprintf(buf, templateString, "Quad (4.092 MHz)");
|
|
break;
|
|
default:
|
|
sprintf(buf, templateString, "Normal (1.023 MHz)");
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case ACT_PADX_INV:
|
|
if (g_invertPaddleX)
|
|
strcpy(buf, "Paddle X inverted");
|
|
else
|
|
strcpy(buf, "Paddle X normal");
|
|
break;
|
|
case ACT_PADY_INV:
|
|
if (g_invertPaddleY)
|
|
strcpy(buf, "Paddle Y inverted");
|
|
else
|
|
strcpy(buf, "Paddle Y normal");
|
|
break;
|
|
case ACT_PADDLES:
|
|
strcpy(buf, "Configure paddles");
|
|
break;
|
|
case ACT_VOLPLUS:
|
|
strcpy(buf, "Volume +");
|
|
break;
|
|
case ACT_VOLMINUS:
|
|
strcpy(buf, "Volume -");
|
|
break;
|
|
}
|
|
|
|
if (isActionActive(hardwareActions[i])) {
|
|
g_display->drawString(selectedMenuItem == i ? M_SELECTED : M_NORMAL, 10, 20 + 14 * i, buf);
|
|
} else {
|
|
g_display->drawString(selectedMenuItem == i ? M_SELECTDISABLED : M_DISABLED, 10, 20 + 14 * i, buf);
|
|
}
|
|
}
|
|
|
|
// draw the volume bar
|
|
uint16_t volCutoff = 300.0 * (float)((float) g_volume / 15.0);
|
|
for (uint8_t y=234; y<=235; y++) {
|
|
for (uint16_t x = 0; x< 300; x++) {
|
|
g_display->drawPixel( x, y, x <= volCutoff ? 0xFFFF : 0x0010 );
|
|
}
|
|
}
|
|
}
|
|
|
|
void BIOS::DrawDisksMenu()
|
|
{
|
|
if (selectedMenuItem < 0)
|
|
selectedMenuItem = sizeof(diskActions)-1;
|
|
|
|
selectedMenuItem %= sizeof(diskActions);
|
|
|
|
char buf[80];
|
|
for (int i=0; i<sizeof(diskActions); i++) {
|
|
switch (diskActions[i]) {
|
|
case ACT_DISK1:
|
|
case ACT_DISK2:
|
|
{
|
|
const char *insertedDiskName = ((AppleVM *)g_vm)->DiskName(diskActions[i]==ACT_DISK2 ? 1 : 0);
|
|
// Get the name of the file; strip off the directory
|
|
const char *endPtr = &insertedDiskName[strlen(insertedDiskName)-1];
|
|
while (endPtr != insertedDiskName &&
|
|
*endPtr != '/') {
|
|
endPtr--;
|
|
}
|
|
if (*endPtr == '/') {
|
|
endPtr++;
|
|
}
|
|
|
|
if (insertedDiskName[0]) {
|
|
snprintf(buf, sizeof(buf), "Eject Disk %d [%s]", diskActions[i]==ACT_DISK2 ? 2 : 1, endPtr);
|
|
} else {
|
|
sprintf(buf, "Insert Disk %d", diskActions[i]==ACT_DISK2 ? 2 : 1);
|
|
}
|
|
}
|
|
break;
|
|
case ACT_HD1:
|
|
case ACT_HD2:
|
|
{
|
|
const char *insertedDiskName = ((AppleVM *)g_vm)->HDName(diskActions[i]==ACT_HD2 ? 1 : 0);
|
|
// Get the name of the file; strip off the directory
|
|
const char *endPtr = &insertedDiskName[strlen(insertedDiskName)-1];
|
|
while (endPtr != insertedDiskName &&
|
|
*endPtr != '/') {
|
|
endPtr--;
|
|
}
|
|
if (*endPtr == '/') {
|
|
endPtr++;
|
|
}
|
|
|
|
if (insertedDiskName[0]) {
|
|
snprintf(buf, sizeof(buf), "Remove HD %d [%s]", diskActions[i]==ACT_HD2 ? 2 : 1, endPtr);
|
|
} else {
|
|
sprintf(buf, "Connect HD %d", diskActions[i]==ACT_HD2 ? 2 : 1);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (isActionActive(diskActions[i])) {
|
|
g_display->drawString(selectedMenuItem == i ? M_SELECTED : M_NORMAL, 10, 20 + 14 * i, buf);
|
|
} else {
|
|
g_display->drawString(selectedMenuItem == i ? M_SELECTDISABLED : M_DISABLED, 10, 20 + 14 * i, buf);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void BIOS::DrawCurrentMenu()
|
|
{
|
|
switch (selectedMenu) {
|
|
case 0: // Aiie
|
|
DrawAiieMenu();
|
|
break;
|
|
case 1: // VM
|
|
DrawVMMenu();
|
|
break;
|
|
case 2: // Hardware
|
|
DrawHardwareMenu();
|
|
break;
|
|
case 3: // Disks
|
|
DrawDisksMenu();
|
|
break;
|
|
}
|
|
}
|
|
|
|
void BIOS::DrawMainMenu()
|
|
{
|
|
g_display->clrScr();
|
|
// g_display->drawString(M_NORMAL, 0, 0, "BIOS Configuration");
|
|
|
|
DrawMenuBar();
|
|
|
|
DrawCurrentMenu();
|
|
|
|
g_display->flush();
|
|
}
|
|
|
|
void BIOS::ConfigurePaddles()
|
|
{
|
|
while (1) {
|
|
bool needsUpdate = true;
|
|
uint8_t lastPaddleX = g_paddles->paddle0();
|
|
uint8_t lastPaddleY = g_paddles->paddle1();
|
|
|
|
if (g_paddles->paddle0() != lastPaddleX) {
|
|
lastPaddleX = g_paddles->paddle0();
|
|
needsUpdate = true;
|
|
}
|
|
if (g_paddles->paddle1() != lastPaddleY) {
|
|
lastPaddleY = g_paddles->paddle1();
|
|
needsUpdate = true;
|
|
}
|
|
|
|
if (needsUpdate) {
|
|
char buf[50];
|
|
g_display->clrScr();
|
|
sprintf(buf, "Paddle X: %d ", lastPaddleX);
|
|
g_display->drawString(M_NORMAL, 0, 12, buf);
|
|
sprintf(buf, "Paddle Y: %d ", lastPaddleY);
|
|
g_display->drawString(M_NORMAL, 0, 42, buf);
|
|
g_display->drawString(M_NORMAL, 0, 92, "Exit with any key");
|
|
g_display->flush();
|
|
}
|
|
|
|
if (g_keyboard->kbhit()) {
|
|
g_keyboard->read(); // throw out keypress
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// return true if the user selects an image
|
|
// sets selectedFile (index; -1 = "nope") and fileDirectory[][] (names of up to BIOS_MAXFILES files)
|
|
bool BIOS::SelectDiskImage(const char *filter)
|
|
{
|
|
int8_t sel = 0;
|
|
int8_t page = 0;
|
|
uint16_t fileCount = 0;
|
|
while (1) {
|
|
fileCount = DrawDiskNames(page, sel, filter);
|
|
|
|
while (!g_keyboard->kbhit())
|
|
;
|
|
switch (g_keyboard->read()) {
|
|
case PK_DARR:
|
|
sel++;
|
|
sel %= BIOS_MAXFILES + 2;
|
|
break;
|
|
case PK_UARR:
|
|
sel--;
|
|
if (sel < 0)
|
|
sel = BIOS_MAXFILES + 1;
|
|
break;
|
|
case PK_ESC:
|
|
return false;
|
|
case PK_RET:
|
|
if (sel == 0) {
|
|
page--;
|
|
if (page < 0) page = 0;
|
|
// else sel = BIOS_MAXFILES + 1;
|
|
}
|
|
else if (sel == BIOS_MAXFILES+1) {
|
|
if (fileCount == BIOS_MAXFILES) { // don't let them select 'Next' if there were no files in the list or if the list isn't full
|
|
page++;
|
|
//sel = 0;
|
|
}
|
|
} else if (strcmp(fileDirectory[sel-1], "../") == 0) {
|
|
// Go up a directory (strip a directory name from rootPath)
|
|
stripDirectory();
|
|
page = 0;
|
|
//sel = 0;
|
|
continue;
|
|
} else if (fileDirectory[sel-1][strlen(fileDirectory[sel-1])-1] == '/') {
|
|
// Descend in to the directory. FIXME: file path length?
|
|
strcat(rootPath, fileDirectory[sel-1]);
|
|
sel = 0;
|
|
page = 0;
|
|
continue;
|
|
} else {
|
|
selectedFile = sel - 1;
|
|
g_display->flush();
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
void BIOS::stripDirectory()
|
|
{
|
|
rootPath[strlen(rootPath)-1] = '\0'; // remove the last character
|
|
|
|
while (rootPath[0] && rootPath[strlen(rootPath)-1] != '/') {
|
|
rootPath[strlen(rootPath)-1] = '\0'; // remove the last character again
|
|
}
|
|
|
|
// We're either at the previous directory, or we've nulled out the whole thing.
|
|
|
|
if (rootPath[0] == '\0') {
|
|
// Never go beyond this
|
|
strcpy(rootPath, "/");
|
|
}
|
|
}
|
|
|
|
uint16_t BIOS::DrawDiskNames(uint8_t page, int8_t selection, const char *filter)
|
|
{
|
|
uint16_t fileCount = GatherFilenames(page, filter);
|
|
g_display->clrScr();
|
|
g_display->drawString(M_NORMAL, 0, 12, "BIOS Configuration - pick disk");
|
|
|
|
if (page == 0) {
|
|
g_display->drawString(selection == 0 ? M_SELECTDISABLED : M_DISABLED, 10, 50, "<Prev>");
|
|
} else {
|
|
g_display->drawString(selection == 0 ? M_SELECTED : M_NORMAL, 10, 50, "<Prev>");
|
|
}
|
|
|
|
uint8_t i;
|
|
for (i=0; i<BIOS_MAXFILES; i++) {
|
|
if (i < fileCount) {
|
|
g_display->drawString((i == selection-1) ? M_SELECTED : M_NORMAL, 10, 50 + 14 * (i+1), fileDirectory[i]);
|
|
} else {
|
|
g_display->drawString((i == selection-1) ? M_SELECTDISABLED : M_DISABLED, 10, 50+14*(i+1), "-");
|
|
}
|
|
|
|
}
|
|
|
|
// FIXME: this doesn't accurately say whether or not there *are* more.
|
|
if (fileCount < BIOS_MAXFILES) {
|
|
g_display->drawString((i+1 == selection) ? M_SELECTDISABLED : M_DISABLED, 10, 50 + 14 * (i+1), "<Next>");
|
|
} else {
|
|
g_display->drawString(i+1 == selection ? M_SELECTED : M_NORMAL, 10, 50 + 14 * (i+1), "<Next>");
|
|
}
|
|
|
|
g_display->flush();
|
|
return fileCount;
|
|
}
|
|
|
|
// Read a directory, cache all the entries
|
|
uint16_t BIOS::cacheAllEntries(const char *filter)
|
|
{
|
|
// If we've already cached this directory, then just return it
|
|
if (numCacheEntries && !strcmp(cachedPath, rootPath) && !strcmp(cachedFilter, filter))
|
|
return numCacheEntries;
|
|
|
|
// Otherwise flush the cache and start over
|
|
numCacheEntries = 0;
|
|
strcpy(cachedPath, rootPath);
|
|
strcpy(cachedFilter, filter);
|
|
|
|
// This could be a lengthy process, so...
|
|
g_display->clrScr();
|
|
g_display->drawString(M_SELECTED,
|
|
0,
|
|
0,
|
|
"Loading...");
|
|
g_display->flush();
|
|
|
|
// read all the entries we can find
|
|
int16_t idx = 0;
|
|
while (1) {
|
|
struct _cacheEntry *ce = &biosCache[numCacheEntries];
|
|
idx = g_filemanager->readDir(rootPath, filter, ce->fn, idx, BIOS_MAXPATH);
|
|
if (idx == -1) {
|
|
return numCacheEntries;
|
|
}
|
|
idx++;
|
|
numCacheEntries++;
|
|
if (numCacheEntries >= BIOSCACHESIZE-1) {
|
|
return numCacheEntries;
|
|
}
|
|
}
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
void BIOS::swapCacheEntries(int a, int b)
|
|
{
|
|
struct _cacheEntry tmpEntry;
|
|
strcpy(tmpEntry.fn, biosCache[a].fn);
|
|
strcpy(biosCache[a].fn, biosCache[b].fn);
|
|
strcpy(biosCache[b].fn, tmpEntry.fn);
|
|
}
|
|
|
|
// Take all the entries in the cache and sort htem
|
|
void BIOS::sortCachedEntries()
|
|
{
|
|
if (numCacheEntries <= 1)
|
|
return;
|
|
|
|
bool changedAnything = true;
|
|
while (changedAnything) {
|
|
changedAnything = false;
|
|
for (int i=0; i<numCacheEntries-1; i++) {
|
|
if (strcmp(biosCache[i].fn, biosCache[i+1].fn) > 0) {
|
|
swapCacheEntries(i, i+1);
|
|
changedAnything = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
uint16_t BIOS::GatherFilenames(uint8_t pageOffset, const char *filter)
|
|
{
|
|
uint8_t startNum = 10 * pageOffset;
|
|
uint8_t count = 0; // number we're including in our listing
|
|
|
|
uint16_t numEntriesTotal = cacheAllEntries(filter);
|
|
sortCachedEntries();
|
|
if (numEntriesTotal > BIOSCACHESIZE) {
|
|
// ... umm, this is a problem. FIXME?
|
|
}
|
|
struct _cacheEntry *nextEntry = biosCache;
|
|
while (startNum) {
|
|
nextEntry++;
|
|
startNum--;
|
|
}
|
|
|
|
while (1) {
|
|
if (nextEntry->fn[0] == 0)
|
|
return count;
|
|
|
|
strncpy(fileDirectory[count], nextEntry->fn, BIOS_MAXPATH);
|
|
count++;
|
|
|
|
if (count >= BIOS_MAXFILES) {
|
|
return count;
|
|
}
|
|
nextEntry++;
|
|
}
|
|
}
|
|
|
|
void BIOS::showAbout()
|
|
{
|
|
g_display->clrScr();
|
|
|
|
g_display->drawString(M_SELECTED,
|
|
0,
|
|
0,
|
|
"Aiie! - an Apple //e emulator");
|
|
|
|
g_display->drawString(M_NORMAL,
|
|
15, 20,
|
|
"(c) 2017-2020 Jorj Bauer");
|
|
|
|
g_display->drawString(M_NORMAL,
|
|
15, 38,
|
|
"https://github.com/JorjBauer/aiie/");
|
|
|
|
g_display->drawString(M_NORMAL,
|
|
0,
|
|
200,
|
|
"Press any key");
|
|
|
|
g_display->flush();
|
|
|
|
while (!g_keyboard->kbhit())
|
|
;
|
|
g_keyboard->read(); // throw out the keypress
|
|
}
|