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aiie/bios.cpp

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#include <string.h>
#include "globals.h"
#include "bios.h"
#include "applevm.h"
#include "physicalkeyboard.h"
#include "physicaldisplay.h"
#include "cpu.h"
#include "appledisplay.h"
#ifdef TEENSYDUINO
#include <Bounce2.h>
#include "teensy-paddles.h"
extern Bounce resetButtonDebouncer;
extern void runDebouncer();
#endif
// using EXTMEM to cache all the filenames in a directory
#ifndef TEENSYDUINO
#define EXTMEM
#endif
struct _cacheEntry {
char fn[BIOS_MAXPATH];
};
#define BIOSCACHESIZE 1024 // hope that's enough files?
EXTMEM char cachedPath[BIOS_MAXPATH] = {0};
EXTMEM char cachedFilter[BIOS_MAXPATH] = {0};
EXTMEM struct _cacheEntry biosCache[BIOSCACHESIZE];
uint16_t numCacheEntries = 0;
// When selecting files...
char fileFilter[16]; // FIXME length & Strcpy -> strncpy
uint16_t fileSelectionFor; // define what the returned name is for
#define LINEHEIGHT 10
#define MENUINDENT 10
#define MAXFILESPERPAGE BIOS_MAXFILES
#define FILEMENUSTARTAT (LINEHEIGHT+1)
// menu screen enums
enum {
BIOS_AIIE = 0,
BIOS_VM = 1,
BIOS_HARDWARE = 2,
BIOS_DISKS = 3,
BIOS_ABOUT = 4,
BIOS_PADDLES = 5,
BIOS_SELECTFILE = 6,
BIOS_DONE = 99,
};
enum {
ACT_EXIT = 1,
ACT_RESET = 2,
ACT_REBOOT = 3,
ACT_REBOOTANDEJECT = 4,
ACT_MONITOR = 5,
ACT_DISPLAYTYPE = 6,
ACT_LUMINANCEUP = 7,
ACT_LUMINANCEDOWN = 8,
ACT_DEBUG = 9,
ACT_DISK1 = 10,
ACT_DISK2 = 11,
ACT_HD1 = 12,
ACT_HD2 = 13,
ACT_VOLPLUS = 14,
ACT_VOLMINUS = 15,
ACT_SUSPEND = 16,
ACT_RESTORE = 17,
ACT_PADX_INV = 18,
ACT_PADY_INV = 19,
ACT_PADDLES = 20,
ACT_SPEED = 21,
ACT_ABOUT = 22,
};
#define NUM_TITLES 4
const char *menuTitles[NUM_TITLES] = { "Aiie", "VM", "Hardware", "Disks" };
const uint8_t titleWidths[NUM_TITLES] = {45, 28, 80, 45 };
const uint8_t aiieActions[] = { ACT_ABOUT };
const uint8_t vmActions[] = { ACT_EXIT, ACT_RESET, ACT_REBOOT, ACT_REBOOTANDEJECT,
ACT_MONITOR,
ACT_DEBUG, ACT_SUSPEND, ACT_RESTORE };
const uint8_t hardwareActions[] = { ACT_DISPLAYTYPE, ACT_LUMINANCEUP,
ACT_LUMINANCEDOWN, ACT_SPEED,
ACT_PADX_INV, ACT_PADY_INV,
ACT_PADDLES, ACT_VOLPLUS, ACT_VOLMINUS };
const uint8_t diskActions[] = { ACT_DISK1, ACT_DISK2,
ACT_HD1, ACT_HD2 };
#define CPUSPEED_HALF 0
#define CPUSPEED_FULL 1
#define CPUSPEED_DOUBLE 2
#define CPUSPEED_QUAD 3
const char *staticPathConcat(const char *rootPath, const char *filePath)
{
static char buf[MAXPATH];
strncpy(buf, rootPath, sizeof(buf)-1);
strncat(buf, filePath, sizeof(buf)-strlen(buf)-1);
return buf;
}
BIOS::BIOS()
{
selectedMenu = BIOS_VM;
selectedMenuItem = 0;
selectedFile = -1;
for (int8_t i=0; i<BIOS_MAXFILES; i++) {
// Put end terminators in place; strncpy won't copy over them
fileDirectory[i][BIOS_MAXPATH] = '\0';
}
}
BIOS::~BIOS()
{
}
void BIOS::DrawMenuBar()
{
uint8_t xpos = 0;
if (selectedMenu < 0) {
selectedMenu = NUM_TITLES-1;
}
selectedMenu %= NUM_TITLES;
#define XPADDING 2
for (int i=0; i<NUM_TITLES; i++) {
for (int x=0; x<titleWidths[i] + 2*XPADDING; x++) {
g_display->drawUIPixel(xpos+x, 0, 0xFFFF);
g_display->drawUIPixel(xpos+x, LINEHEIGHT, 0xFFFF);
}
for (int y=0; y<=LINEHEIGHT; y++) {
g_display->drawUIPixel(xpos, y, 0xFFFF);
g_display->drawUIPixel(xpos + titleWidths[i] + 2*XPADDING, y, 0xFFFF);
}
xpos += XPADDING;
g_display->drawString(selectedMenu == i ? M_SELECTDISABLED : M_DISABLED,
xpos, 2, menuTitles[i]);
xpos += titleWidths[i] + XPADDING;
}
}
bool BIOS::loop()
{
static bool needsinit = true;
if (needsinit) {
g_filemanager->getRootPath(rootPath, sizeof(rootPath));
needsinit = false;
}
static bool needsRedraw = true;
if (selectedMenu == BIOS_DONE) {
// We're returning to the bios a second time
selectedMenu = BIOS_VM;
needsRedraw = true;
}
#ifdef TEENSYDUINO
if (resetButtonDebouncer.read() == LOW) {
// wait until it's no longer pressed
while (resetButtonDebouncer.read() == LOW)
runDebouncer();
delay(100); // wait long enough for it to debounce
return BIOS_DONE;
}
#endif
bool hitReturn = false;
uint16_t rv = BIOS_DONE;
bool changingMenu = false;
if (g_keyboard->kbhit()) {
switch (g_keyboard->read()) {
case PK_DARR:
selectedMenuItem++; // modded by current action
needsRedraw = true;
break;
case PK_UARR:
selectedMenuItem--; // modded by current action
needsRedraw = true;
break;
case PK_RARR:
if (selectedMenu < NUM_TITLES) {
selectedMenuItem = 0;
selectedMenu++;
selectedMenu %= NUM_TITLES;
changingMenu = true;
needsRedraw = true;
}
break;
case PK_LARR:
if (selectedMenu < NUM_TITLES) {
selectedMenuItem = 0;
selectedMenu--;
changingMenu = true;
if (selectedMenu < 0) {
selectedMenu = NUM_TITLES-1;
}
needsRedraw = true;
}
break;
case PK_RET:
hitReturn = true;
needsRedraw = true;
break;
default:
break;
}
}
if (changingMenu && selectedMenu == BIOS_HARDWARE) {
// Need to initialize the CPU speed from g_speed
switch (g_speed) {
case 1023000:
currentCPUSpeedIndex = CPUSPEED_FULL;
break;
case 1023000/2:
currentCPUSpeedIndex = CPUSPEED_HALF;
break;
case 1023000*2:
currentCPUSpeedIndex = CPUSPEED_DOUBLE;
break;
case 1023000*4:
currentCPUSpeedIndex = CPUSPEED_QUAD;
break;
default:
// Dunno what happened, but we'll default back to full (normal) speed
currentCPUSpeedIndex = CPUSPEED_FULL;
g_speed = 1023000;
break;
}
}
switch (selectedMenu) {
case BIOS_AIIE:
rv = AiieMenuHandler(needsRedraw, hitReturn);
break;
case BIOS_VM:
rv = VmMenuHandler(needsRedraw, hitReturn);
break;
case BIOS_HARDWARE:
rv = HardwareMenuHandler(needsRedraw, hitReturn);
break;
case BIOS_DISKS:
rv = DisksMenuHandler(needsRedraw, hitReturn);
break;
case BIOS_ABOUT:
rv = AboutScreenHandler(needsRedraw, hitReturn);
break;
case BIOS_PADDLES:
rv = PaddlesScreenHandler(needsRedraw, hitReturn);
break;
case BIOS_SELECTFILE:
rv = SelectFileScreenHandler(needsRedraw, hitReturn);
break;
}
if (rv != selectedMenu) {
selectedMenuItem = 0;
needsRedraw = true;
selectedMenu = rv;
}
else
needsRedraw = false; // assume the handler drew
return ((selectedMenu == BIOS_DONE) ? false : true);
}
uint16_t BIOS::AiieMenuHandler(bool needsRedraw, bool performAction)
{
static bool localRedraw = true;
if (selectedMenuItem < 0)
selectedMenuItem = sizeof(aiieActions)-1;
selectedMenuItem %= sizeof(aiieActions);
if (needsRedraw || localRedraw) {
g_display->clrScr(c_darkblue);
DrawMenuBar();
DrawAiieMenu();
g_display->flush();
localRedraw = false;
}
if (performAction) {
// there is only ACT_ABOUT
return BIOS_ABOUT;
}
return BIOS_AIIE;
}
uint16_t BIOS::VmMenuHandler(bool needsRedraw, bool performAction)
{
static bool localRedraw = true;
if (selectedMenuItem < 0)
selectedMenuItem = sizeof(vmActions)-1;
selectedMenuItem %= sizeof(vmActions);
if (needsRedraw || localRedraw) {
g_display->clrScr(c_darkblue);
DrawMenuBar();
DrawVMMenu();
g_display->flush();
localRedraw = false;
}
if (performAction) {
if (isActionActive(vmActions[selectedMenuItem])) {
switch (vmActions[selectedMenuItem]) {
case ACT_EXIT:
return BIOS_DONE;
case ACT_RESET:
WarmReset();
return BIOS_DONE;
case ACT_REBOOT:
// Reboot, but don't eject disks
RebootAsIs();
return BIOS_DONE;
case ACT_REBOOTANDEJECT:
// Power off and on, ejecting disks
ColdReboot();
return BIOS_DONE;
case ACT_MONITOR:
((AppleVM *)g_vm)->Monitor();
return BIOS_DONE;
case ACT_DEBUG:
g_debugMode++;
g_debugMode %= 9; // FIXME: abstract max #
localRedraw = true;
return BIOS_VM;
case ACT_SUSPEND:
g_display->clrScr(c_darkblue);
g_display->drawString(M_SELECTED, 80, 100,"Suspending VM...");
g_display->flush();
// CPU is already suspended, so this is safe...
((AppleVM *)g_vm)->Suspend("suspend.vm");
localRedraw = true;
return BIOS_VM;
case ACT_RESTORE:
g_display->clrScr(c_darkblue);
g_display->drawString(M_SELECTED, 80, 100,"Resuming VM...");
g_display->flush();
((AppleVM *)g_vm)->Resume("suspend.vm");
return BIOS_DONE;
}
}
}
return BIOS_VM;
}
uint16_t BIOS::HardwareMenuHandler(bool needsRedraw, bool performAction)
{
static bool localRedraw = true;
if (selectedMenuItem < 0)
selectedMenuItem = sizeof(hardwareActions)-1;
selectedMenuItem %= sizeof(hardwareActions);
if (needsRedraw || localRedraw) {
g_display->clrScr(c_darkblue);
DrawMenuBar();
DrawHardwareMenu();
g_display->flush();
localRedraw = false;
}
if (performAction) {
if (isActionActive(hardwareActions[selectedMenuItem])) {
switch (hardwareActions[selectedMenuItem]) {
case ACT_DISPLAYTYPE:
g_displayType++;
g_displayType %= 4; // FIXME: abstract max #
((AppleDisplay*)g_display)->displayTypeChanged();
localRedraw = true;
break;
case ACT_LUMINANCEUP:
if (g_luminanceCutoff < 255)
g_luminanceCutoff++;
((AppleDisplay*)g_display)->displayTypeChanged();
localRedraw = true;
break;
case ACT_LUMINANCEDOWN:
if (g_luminanceCutoff > 0)
g_luminanceCutoff--;
((AppleDisplay*)g_display)->displayTypeChanged();
localRedraw = true;
break;
case ACT_SPEED:
currentCPUSpeedIndex++;
currentCPUSpeedIndex %= 4;
switch (currentCPUSpeedIndex) {
case CPUSPEED_HALF:
g_speed = 1023000/2;
break;
case CPUSPEED_DOUBLE:
g_speed = 1023000*2;
break;
case CPUSPEED_QUAD:
g_speed = 1023000*4;
break;
default:
g_speed = 1023000;
break;
}
localRedraw = true;
break;
case ACT_PADX_INV:
g_invertPaddleX = !g_invertPaddleX;
#ifdef TEENSYDUINO
((TeensyPaddles *)g_paddles)->setRev(g_invertPaddleX, g_invertPaddleY);
#endif
localRedraw = true;
break;
case ACT_PADY_INV:
g_invertPaddleY = !g_invertPaddleY;
#ifdef TEENSYDUINO
((TeensyPaddles *)g_paddles)->setRev(g_invertPaddleX, g_invertPaddleY);
#endif
localRedraw = true;
break;
case ACT_PADDLES:
return BIOS_PADDLES;
case ACT_VOLPLUS:
g_volume ++;
if (g_volume > 15) {
g_volume = 15;
}
localRedraw = true;
break;
case ACT_VOLMINUS:
g_volume--;
if (g_volume < 0) {
g_volume = 0;
}
localRedraw = true;
break;
}
}
}
return BIOS_HARDWARE;
}
uint16_t BIOS::DisksMenuHandler(bool needsRedraw, bool performAction)
{
static bool localRedraw = true;
if (selectedMenuItem < 0)
selectedMenuItem = sizeof(diskActions)-1;
selectedMenuItem %= sizeof(diskActions);
if (needsRedraw || localRedraw) {
g_display->clrScr(c_darkblue);
DrawMenuBar();
DrawDisksMenu();
g_display->flush();
localRedraw = false;
}
if (performAction) {
if (isActionActive(diskActions[selectedMenuItem])) {
switch (diskActions[selectedMenuItem]) {
case ACT_DISK1:
if (((AppleVM *)g_vm)->DiskName(0)[0] != '\0') {
((AppleVM *)g_vm)->ejectDisk(0);
localRedraw = true;
break;
} else {
strcpy(fileFilter, "dsk,.po,nib,woz");
fileSelectionFor = ACT_DISK1;
return BIOS_SELECTFILE;
}
break;
case ACT_DISK2:
if (((AppleVM *)g_vm)->DiskName(1)[0] != '\0') {
((AppleVM *)g_vm)->ejectDisk(1);
localRedraw = true;
break;
} else {
strcpy(fileFilter, "dsk,.po,nib,woz");
fileSelectionFor = ACT_DISK2;
return BIOS_SELECTFILE;
}
break;
case ACT_HD1:
if (((AppleVM *)g_vm)->HDName(0)[0] != '\0') {
((AppleVM *)g_vm)->ejectHD(0);
localRedraw = true;
break;
} else {
strcpy(fileFilter, "img,hdv");
fileSelectionFor = ACT_HD1;
return BIOS_SELECTFILE;
}
break;
case ACT_HD2:
if (((AppleVM *)g_vm)->HDName(1)[0] != '\0') {
((AppleVM *)g_vm)->ejectHD(1);
localRedraw = true;
break;
} else {
strcpy(fileFilter, "img,hdv");
fileSelectionFor = ACT_HD2;
return BIOS_SELECTFILE;
}
break;
}
}
}
return BIOS_DISKS;
};
uint16_t BIOS::AboutScreenHandler(bool needsRedraw, bool performAction)
{
static bool localRedraw = true;
selectedMenuItem = 0;
if (needsRedraw || localRedraw) {
g_display->clrScr(c_darkblue);
// Draw a black area where we're going to "boot" a fake //e for the about screen. Don't put the whole graphic around it so it's obvious it's not a //e.
for (uint8_t y=12; y<12+192; y++) {
for (uint16_t x=20; x<280+20; x++) {
g_display->drawUIPixel( x, y, 0x0000 );
}
}
/*
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 return");
*/
g_display->flush();
localRedraw = false;
}
const char *str =
" "
" Aiie! "
" "
" "
" "
" "
" "
" "
" ... an Apple //e emulator "
" written by "
" Jorj Bauer <jorj@jorj.org> "
" "
" "
" "
" (c) 2017-2021 Jorj Bauer "
" "
" "
" Source code is available at "
" github.com/JorjBauer/aiie/ "
" "
" "
" "
" Press <Return>... " // intentionally short so cursor stays here
;
static uint16_t ptr = 0;
static bool didFinish = false;
if (!didFinish) {
// Draw the next character
bool didOne = false;
while (!didOne || ptr < 35*2) { // draw the first 2 lines in one go, no matter what
char charToDraw = str[ptr];
didOne = true;
int xpos = ptr % 35;
int ypos = (int)(ptr / 35);
if (charToDraw != ' ') {
// First 2 lines have a blue background on any text; others are black
g_display->drawCharacter(ptr < 70 ? M_NORMAL : M_PLAIN, xpos * 8 + 20, ypos * 8 + 12, charToDraw);
}
ptr++;
if (ptr >= strlen(str)) {
didFinish = true;
} else {
if (charToDraw == ' ') {
// Just blep the spaces to the screen toot-sweet
didOne = false;
}
}
}
} else {
// Flash the cursor until the user exits
static bool cursorOn = false;
static bool flopTime = false;
flopTime = !flopTime;
if (flopTime) {
cursorOn = !cursorOn;
}
int xpos = strlen(str) % 35;
int ypos = (int)(strlen(str) / 35);
g_display->drawCharacter(M_PLAIN, xpos * 8 + 20, ypos * 8 + 12, cursorOn ? 127 : 32);
}
g_display->flush();
if (performAction) {
ptr = 0;
didFinish = false;
return BIOS_AIIE;
}
return BIOS_ABOUT;
}
uint16_t BIOS::PaddlesScreenHandler(bool needsRedraw, bool performAction)
{
static bool localRedraw = true;
selectedMenuItem = 0;
static uint8_t lastPaddleX = g_paddles->paddle0();
static uint8_t lastPaddleY = g_paddles->paddle1();
uint8_t paddle = g_paddles->paddle0();
if (paddle != lastPaddleX) {
lastPaddleX = paddle;
localRedraw = true;
}
paddle = g_paddles->paddle1();
if (paddle != lastPaddleY) {
lastPaddleY = paddle;
localRedraw = true;
}
if (needsRedraw || localRedraw) {
char buf[50];
g_display->clrScr(c_darkblue);
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, 132, "Press return to exit");
// Draw the target for the paddle position
for (uint16_t y=10; y<=110; y++) {
for (uint16_t x=160; x<=260; x++) {
g_display->drawUIPixel(x, y, 0x0000);
g_display->drawUIPixel(x, 10, 0xFFFF);
g_display->drawUIPixel(x, 110, 0xFFFF);
}
g_display->drawUIPixel(160, y, 0xFFFF);
g_display->drawUIPixel(260, y, 0xFFFF);
}
for (uint16_t y=57; y<=63; y++) {
g_display->drawUIPixel(207,y,0xFFFF);
g_display->drawUIPixel(213,y,0xFFFF);
}
for (uint16_t x=207; x<=213; x++) {
g_display->drawUIPixel(x,57,0xFFFF);
g_display->drawUIPixel(x,63,0xFFFF);
}
float drawX = ((float)lastPaddleX/255.0)*100.0;
float drawY = ((float)lastPaddleY/255.0)*100.0;
g_display->drawUIPixel(160+drawX, 10+drawY, 0xFFFF);
g_display->flush();
localRedraw = false;
}
if (performAction) {
return BIOS_HARDWARE;
}
return BIOS_PADDLES;
}
static void insertDisk(int forWhat, const char *path,
const char *fileName)
{
// drawIt is false b/c we don't want to draw it immediately -- that
// would draw over the bios screen
if (forWhat == ACT_DISK1 || forWhat == ACT_DISK2) {
((AppleVM *)g_vm)->insertDisk(forWhat == ACT_DISK1 ? 0 : 1, staticPathConcat(path, fileName), false);
} else {
// must be a hard drive
((AppleVM *)g_vm)->insertHD(forWhat == ACT_HD1 ? 0 : 1, staticPathConcat(path, fileName));
}
}
uint16_t BIOS::SelectFileScreenHandler(bool needsRedraw, bool performAction)
{
if (selectedMenuItem < 0)
selectedMenuItem = BIOS_MAXFILES + 1;
selectedMenuItem %= BIOS_MAXFILES + 2;
static bool localRedraw = true;
static int8_t page = 0;
static uint16_t fileCount = 0;
if (needsRedraw || localRedraw) {
fileCount = DrawDiskNames(page, selectedMenuItem, fileFilter);
localRedraw = false;
}
if (performAction) {
if (selectedMenuItem == 0) {
page--;
if (page < 0) page = 0;
// else sel = BIOS_MAXFILES + 1;
localRedraw = true;
}
else if (selectedMenuItem == BIOS_MAXFILES+1) {
// FIXME what if there are no files on the next page? We
// shouldn't show a blank page.
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;
localRedraw = true;
}
} else if (strcmp(fileDirectory[selectedMenuItem-1], "../") == 0) {
// Go up a directory (strip a directory name from rootPath)
stripDirectory();
page = 0;
//sel = 0;
localRedraw = true;
} else if (fileDirectory[selectedMenuItem-1][strlen(fileDirectory[selectedMenuItem-1])-1] == '/') {
// Descend in to the directory. FIXME: file path length?
strcat(rootPath, fileDirectory[selectedMenuItem-1]);
selectedMenuItem = 0;
page = 0;
localRedraw = true;
} else {
selectedFile = selectedMenuItem - 1;
insertDisk(fileSelectionFor, rootPath, fileDirectory[selectedFile]);
g_display->flush();
return BIOS_DISKS;
}
}
return BIOS_SELECTFILE;
}
void BIOS::WarmReset()
{
g_cpu->Reset();
}
void BIOS::RebootAsIs()
{
// g_vm->Reset() will eject disks. We don't want to do that, so we need to
// grab the inserted disk names; reset the VM; then restore the disks.
char *disk6s1 = strdup(((AppleVM *)g_vm)->DiskName(0) ? ((AppleVM *)g_vm)->DiskName(0) : "");
char *disk6s2 = strdup(((AppleVM *)g_vm)->DiskName(1) ? ((AppleVM *)g_vm)->DiskName(1) : "");
char *hdd1 = strdup(((AppleVM *)g_vm)->HDName(0) ? ((AppleVM *)g_vm)->HDName(0) : "");
char *hdd2 = strdup(((AppleVM *)g_vm)->HDName(1) ? ((AppleVM *)g_vm)->HDName(1) : "");
g_vm->Reset();
g_cpu->Reset();
if (disk6s1[0])
((AppleVM *)g_vm)->insertDisk(0, disk6s1);
if (disk6s2[0])
((AppleVM *)g_vm)->insertDisk(1, disk6s2);
if (hdd1[0])
((AppleVM *)g_vm)->insertHD(0, hdd1);
if (hdd2[0])
((AppleVM *)g_vm)->insertHD(2, hdd2);
free(disk6s1);
free(disk6s2);
free(hdd1);
free(hdd2);
}
void BIOS::ColdReboot()
{
g_vm->Reset();
g_cpu->Reset();
}
bool BIOS::isActionActive(int8_t action)
{
// don't return true for disk events that aren't valid
switch (action) {
case ACT_EXIT:
case ACT_RESET:
case ACT_REBOOT:
case ACT_REBOOTANDEJECT:
case ACT_MONITOR:
case ACT_DISPLAYTYPE:
case ACT_SPEED:
case ACT_ABOUT:
case ACT_DEBUG:
case ACT_DISK1:
case ACT_DISK2:
case ACT_HD1:
case ACT_HD2:
case ACT_SUSPEND:
case ACT_RESTORE:
case ACT_PADX_INV:
case ACT_PADY_INV:
case ACT_PADDLES:
return true;
case ACT_LUMINANCEUP:
return (g_luminanceCutoff < 255);
case ACT_LUMINANCEDOWN:
return (g_luminanceCutoff > 0);
case ACT_VOLPLUS:
return (g_volume < 15);
case ACT_VOLMINUS:
return (g_volume > 0);
}
/* NOTREACHED */
return false;
}
void BIOS::DrawAiieMenu()
{
if (selectedMenuItem < 0)
selectedMenuItem = sizeof(aiieActions)-1;
selectedMenuItem %= sizeof(aiieActions);
char buf[40];
for (int i=0; i<sizeof(aiieActions); i++) {
switch (aiieActions[i]) {
case ACT_ABOUT:
sprintf(buf, "About...");
break;
}
if (isActionActive(aiieActions[i])) {
g_display->drawString(selectedMenuItem == i ? M_SELECTED : M_NORMAL, MENUINDENT, 20 + LINEHEIGHT * i, buf);
} else {
g_display->drawString(selectedMenuItem == i ? M_SELECTDISABLED : M_DISABLED, MENUINDENT, 20 + LINEHEIGHT * i,
buf);
}
}
}
void BIOS::DrawVMMenu()
{
if (selectedMenuItem < 0)
selectedMenuItem = sizeof(vmActions)-1;
selectedMenuItem %= sizeof(vmActions);
char buf[40];
for (int i=0; i<sizeof(vmActions); i++) {
switch (vmActions[i]) {
case ACT_DEBUG:
{
const char *templateString = "Debug: %s";
switch (g_debugMode) {
case D_NONE:
sprintf(buf, templateString, "off");
break;
case D_SHOWFPS:
sprintf(buf, templateString, "Show FPS");
break;
case D_SHOWMEMFREE:
sprintf(buf, templateString, "Show mem free");
break;
case D_SHOWPADDLES:
sprintf(buf, templateString, "Show paddles");
break;
case D_SHOWPC:
sprintf(buf, templateString, "Show PC");
break;
case D_SHOWCYCLES:
sprintf(buf, templateString, "Show cycles");
break;
case D_SHOWBATTERY:
sprintf(buf, templateString, "Show battery");
break;
case D_SHOWTIME:
sprintf(buf, templateString, "Show time");
break;
case D_SHOWDSK:
sprintf(buf, templateString, "Show Disk");
break;
}
}
break;
case ACT_EXIT:
strcpy(buf, "Resume");
break;
case ACT_RESET:
strcpy(buf, "Reset (press Reset key)");
break;
case ACT_REBOOT:
strcpy(buf, "Reboot (reboot emulator)");
break;
case ACT_REBOOTANDEJECT:
strcpy(buf, "Reboot and eject disks");
break;
case ACT_MONITOR:
strcpy(buf, "Drop to Monitor");
break;
case ACT_SUSPEND:
strcpy(buf, "Suspend VM");
break;
case ACT_RESTORE:
strcpy(buf, "Restore VM");
break;
}
if (isActionActive(vmActions[i])) {
g_display->drawString(selectedMenuItem == i ? M_SELECTED : M_NORMAL, MENUINDENT, 20 + LINEHEIGHT * i, buf);
} else {
g_display->drawString(selectedMenuItem == i ? M_SELECTDISABLED : M_DISABLED, MENUINDENT, 20 + LINEHEIGHT * i, buf);
}
}
}
void BIOS::DrawHardwareMenu()
{
if (selectedMenuItem < 0)
selectedMenuItem = sizeof(hardwareActions)-1;
selectedMenuItem %= sizeof(hardwareActions);
char buf[40];
for (int i=0; i<sizeof(hardwareActions); i++) {
switch (hardwareActions[i]) {
case ACT_DISPLAYTYPE:
{
const char *templateString = "Display: %s";
switch (g_displayType) {
case m_blackAndWhite:
sprintf(buf, templateString, "B&W");
break;
case m_monochrome:
sprintf(buf, templateString, "Mono");
break;
case m_ntsclike:
sprintf(buf, templateString, "NTSC-like");
break;
case m_perfectcolor:
sprintf(buf, templateString, "RGB");
break;
}
}
break;
case ACT_LUMINANCEUP:
sprintf(buf, "Luminance+: %d", g_luminanceCutoff);
break;
case ACT_LUMINANCEDOWN:
sprintf(buf, "Luminance-: %d", g_luminanceCutoff);
break;
case ACT_SPEED:
{
const char *templateString = "CPU Speed: %s";
switch (currentCPUSpeedIndex) {
case CPUSPEED_HALF:
sprintf(buf, templateString, "Half [511.5 kHz]");
break;
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, MENUINDENT, 20 + LINEHEIGHT * i, buf);
} else {
g_display->drawString(selectedMenuItem == i ? M_SELECTDISABLED : M_DISABLED, MENUINDENT, 20 + LINEHEIGHT * 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->drawUIPixel( 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, MENUINDENT, 20 + LINEHEIGHT * i, buf);
} else {
g_display->drawString(selectedMenuItem == i ? M_SELECTDISABLED : M_DISABLED, MENUINDENT, 20 + LINEHEIGHT * 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::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(c_darkblue);
const char *title="BIOS Configuration - pick disk image";
g_display->drawString(M_NORMAL, 0, 0, title);
for (int x=0; x<strlen(title)*8; x++) {
g_display->drawUIPixel(x, LINEHEIGHT-1, 0xFFFF);
}
uint8_t vpos = FILEMENUSTARTAT;
g_display->drawString(page==0 ? (selection == 0 ? M_SELECTDISABLED : M_DISABLED) :
(selection == 0 ? M_SELECTED : M_NORMAL),
MENUINDENT, vpos, "<Prev>");
vpos += LINEHEIGHT * 1.5;
bool endsHere = false;
uint8_t i;
for (i=0; i<BIOS_MAXFILES; i++) {
// If the file name is less than 39 characters, it fits on one
// line; but if it's longer, we need to use two lines.
const char *name = "-";
if (i < fileCount) {
name = fileDirectory[i];
}
g_display->drawString(
(i < fileCount) ? ((i == selection-1) ? M_SELECTED : M_NORMAL) :
(i == selection-1) ? M_SELECTDISABLED : M_DISABLED,
MENUINDENT, vpos,
name);
vpos += LINEHEIGHT;
if (strlen(name) > 39) {
// Break the string at 39 characters and start drawing the second line indented more
char restOfString[BIOS_MAXPATH-39+1];
strcpy(restOfString, (char *)&name[39]);
g_display->drawString(
(i < fileCount) ? ((i == selection-1) ? M_SELECTED : M_NORMAL) :
(i == selection-1) ? M_SELECTDISABLED : M_DISABLED,
MENUINDENT+15,
vpos,
restOfString);
vpos += LINEHEIGHT;
}
if (i+1 >= fileCount) {
endsHere = true;
}
}
vpos += LINEHEIGHT/2;
if (endsHere || fileCount < BIOS_MAXFILES) {
g_display->drawString((i+1 == selection) ? M_SELECTDISABLED : M_DISABLED,
MENUINDENT, vpos,
"<Next>");
} else {
g_display->drawString(i+1 == selection ? M_SELECTED : M_NORMAL,
MENUINDENT, vpos,
"<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(c_darkblue);
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) {
// add a terminating entry
biosCache[numCacheEntries].fn[0] = '\0';
return numCacheEntries;
}
idx++;
numCacheEntries++;
if (numCacheEntries >= BIOSCACHESIZE-2) {
// need a terminating entry
biosCache[BIOSCACHESIZE-1].fn[0] = '\0';
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 = MAXFILESPERPAGE * 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++;
}
}
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