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improve BIOS about screen

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This commit is contained in:
Jorj Bauer 2021-01-09 12:15:12 -05:00
parent 0cf57dd265
commit c6f39f9b39
4 changed files with 85 additions and 2 deletions
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76
bios.cpp
View File

@ -527,6 +527,13 @@ uint16_t BIOS::AboutScreenHandler(bool needsRedraw, bool performAction)
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,
@ -544,13 +551,80 @@ uint16_t BIOS::AboutScreenHandler(bool needsRedraw, bool performAction)
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;
}

3
globals.h
View File

@ -19,7 +19,8 @@ enum {
M_NORMAL = 0,
M_SELECTED = 1,
M_DISABLED = 2,
M_SELECTDISABLED = 3
M_SELECTDISABLED = 3,
M_PLAIN = 4
};
// debug modes

4
sdl/sdl-display.cpp
View File

@ -200,6 +200,10 @@ void SDLDisplay::drawCharacter(uint8_t mode, uint16_t x, uint8_t y, char c)
onPixel = 0x7BEF;
offPixel = 0xFFE0;
break;
case M_PLAIN:
onPixel = 0xFFFF;
offPixel = 0x0000;
break;
}

4
teensy/teensy-display.cpp
View File

@ -225,6 +225,10 @@ void TeensyDisplay::drawCharacter(uint8_t mode, uint16_t x, uint8_t y, char c)
onPixel = 0x7BEF;
offPixel = 0xFFE0;
break;
case M_PLAIN:
onPixel = 0xFFFF;
offPixel = 0x0000;
break;
}
// This does not scale when drawing, because drawPixel scales.