//
// MAIN: Using keyboard to move a sprite example
//
void initialize() {
u8* pvideomem; // Pointer to video memory
// Disable firmware to prevent it from interfering with setPalette and setVideoMode
cpct_disableFirmware();
// Set up the hardware palette using hardware colour values
cpct_setPalette(g_palette, 16);
cpct_setBorder(HW_BLACK);
// Set video mode 0 (160x200, 16 colours)
cpct_setVideoMode(0);
// Draw floor. As cpct_drawSolidBox cannot draw boxes wider than 63 bytes
// and Screen width is 80 bytes, we draw 2 boxes of SCR_W/2 (40 bytes) each
pvideomem = cpct_getScreenPtr(CPCT_VMEM_START, 0, FLOOR_Y);
cpct_drawSolidBox(pvideomem, FLOOR_COLOR, SCR_W/2, FLOOR_HEIGHT);
pvideomem = cpct_getScreenPtr(CPCT_VMEM_START, SCR_W/2, FLOOR_Y);
cpct_drawSolidBox(pvideomem, FLOOR_COLOR, SCR_W/2, FLOOR_HEIGHT);
// Draw instructions
pvideomem = cpct_getScreenPtr(CPCT_VMEM_START, 0, 20);
cpct_drawStringM0(" Sprite Flip Demo ", pvideomem, 2, 0);
pvideomem = cpct_getScreenPtr(CPCT_VMEM_START, 0, 34);
cpct_drawStringM0("[Cursor]", pvideomem, 4, 0);
pvideomem = cpct_getScreenPtr(CPCT_VMEM_START, 40, 34);
cpct_drawStringM0("Left/Right", pvideomem, 3, 0);
}
//
// MAIN: Keyboard check example
//
void main(void) {
// 32 bits counter, to let it count passed 65536 (up to 4 Billions)
u32 i;
// Disable firmware to prevent it from interfering with setVideoMode
cpct_disableFirmware();
// Convert palettes from firmware colour values to
// hardware colours (which are used by cpct_setPalette)
cpct_fw2hw(G_banner_palette, 16);
cpct_fw2hw(G_logo_palette, 4);
// Set the border white, using colour 0 from G_banner_palette
// after converting the colours to hardware values
cpct_setBorder(G_banner_palette[0]);
// Infinite main loop
while (1) {
// Draw CPCtelera's Logo and wait for a while
drawLogo();
for(i=0; i < WAITLOOPS; ++i);
// Draw CPCtelera's Banner and wait for a while
drawBanner();
for(i=0; i < WAITLOOPS; ++i);
}
}
/////////////////////////////////////////////////////////////////
// initialize
// Initialize this application when it starts. Disable firmware,
// set the video mode and colours, and initialize map and cursor.
//
void initialize() {
u8 *pmem;
// Disable firmware to prevent it from restoring video mode or
// interfering with our drawString functions
cpct_disableFirmware();
// Set the video Mode to 1 (320x200, 4 colours)
cpct_setVideoMode(1);
// Use default colours except for palette index 0 (background).
// Default colours are (Blue, Yellow, Cyan, Red), let's use
// (Black, Yellow, Cyan, Red). Change only colour 0 and border.
cpct_setPALColour(0, 0x14);
cpct_setBorder(0x14);
// Initialize Base Pointer of the map in video memory. This is
// the place where the map will start to be drawn (0,0). This
// location is (MAP_START_X, MAP_START_Y) with respect to CPCT_VMEM_START.
pmem = cpct_getScreenPtr(CPCT_VMEM_START, MAP_START_X, MAP_START_Y);
map_setBaseMem(pmem);
// Set cursor at the top-left corner of the screen
cursor_setLocation(0, 0);
// Draw messages with instructions, the map and the cursor
drawMessages();
map_draw();
cursor_draw();
}
//////////////////////////////////////////////////////////////////////////////
// Initialization of the CPC
// This function will be called once at the start of the program. After
// that, it won't be required anymore. Therefore, its code will be placed at
// 0x4000 to be used once and then removed when an image is written to
// this second video buffer (0x4000-0x7FFF)
///
void initializeCPC() {
cpct_disableFirmware(); // Disable the firmware not to interfere with us
cpct_setVideoMode(0); // Set mode 0 (160x200, 16 colours)
cpct_setPalette(g_palette, 16); // Set colour palette
cpct_setBorder(g_palette[0]); // Set the border with same colour used for background (0)
// Set up the main video buffer (0xC000) with a message and all colours set up
setUpVideoBuffer(VMEM_0, 0, "Main Screen Buffer", 6, 0);
}
void initCPC() {
cpct_disableFirmware();
cpct_fw2hw(g_palette,16);
cpct_fw2hw(g_palette2,16);
cpct_fw2hw(g_palette3,16);
cpct_setPalette(g_palette,16);
cpct_setBorder (g_palette[0]);
cpct_setVideoMode(0);
cpct_akp_musicInit(G_menu);
// cpct_akp_SFXInit (G_menu);
}
/////////////////////////////////////////////////////////////////////////
// Initialization routine
// Disables firmware, initializes palette and video mode and
// draws the background
//
void initialization (){
cpct_disableFirmware(); // Disable firmware to prevent it from interfering
cpct_setPalette(g_palette, 7); // Set palette using hardware colour values
cpct_setBorder (g_palette[0]); // Set border colour same as background (0)
cpct_setVideoMode(0); // Change to Mode 0 (160x200, 16 colours)
// Set the internal tileset for drawing Tilemaps
cpct_etm_setTileset2x4(g_tileset);
// Draw the background tilemap
cpct_etm_drawTilemap2x4_f(MAP_WIDTH_TILES, MAP_HEIGHT_TILES,
CPCT_VMEM_START, g_background);
}
//
// EXAMPLE: Measuring free cycles after moving an sprite
//
void main(void) {
u8 i; // Loop index
u8 x=0, y=0; // Sprite coordinates (in bytes)
u8* pvideomem = (u8*)0xC000; // Sprite initial video memory byte location (where it will be drawn)
u16 avc = 0; // Available cycles until next VSYNC, after all main loop calculations
// First, disable firmware to prevent it from intercepting our palette and video mode settings (and,
// at the same time, winning some speed not having to process firmware code at every interrupt)
cpct_disableFirmware();
// Set palette and Screen Border (transform firmware to hardware colours and then set them)
cpct_fw2hw (G_palette, 4);
cpct_setPalette(G_palette, 4);
cpct_setBorder (G_palette[1]);
// Ensure MODE 1 is set
cpct_setVideoMode(1);
// Main Loop
while(1) {
// First, wait VSYNC monitor signal to synchronize the loop with it. We'll start doing
// calculations always at the same time (when VSYNC is first detected)
cpct_waitVSYNC();
// Scan Keyboard and change sprite location if cursor keys are pressed
cpct_scanKeyboard_f();
if (cpct_isKeyPressed(Key_CursorRight) && x < 80 - SPR_W) { x++; pvideomem++; }
else if (cpct_isKeyPressed(Key_CursorLeft) && x > 0 ) { x--; pvideomem--; }
if (cpct_isKeyPressed(Key_CursorUp) && y > 0 ) { pvideomem -= (y-- & 7) ? 0x0800 : 0xC850; }
else if (cpct_isKeyPressed(Key_CursorDown) && y < 200 - SPR_H) { pvideomem += (++y & 7) ? 0x0800 : 0xC850; }
// Draw the sprite at its new location on screen.
// Sprite automatically erases previous copy of itself on the screen because it moves
// 1 byte at a time and has a 0x00 border that overwrites previous colours on that place
cpct_drawSprite(G_death, pvideomem, SPR_W, SPR_H);
// Wait to next VSYNC signal, calculating the amount of free cycles (time we wait for VSYNC)
// As documented on <cpct_count2VSYNC>, function returns number of loop iterations (L), and
// cycles shall be calculated doing 22 + 34*L
avc = 22 + 34 * cpct_count2VSYNC();
// Print 5 digits on the upper right corner of the screen,
// with the amount of free cycles calculated in previous step.
// Digits will be printed at screen locations (0xC046, 0xC048, 0xC04A, 0xC04C, 0xC04E)
for(i=0; i<5; i++) {
u8 digit = '0' + (avc % 10);
cpct_drawCharM1_f((void*)(0xC04E - 2*i), 3, 0, digit);
avc /= 10;
}
}
}
// Initialization of the Amstrad CPC at the start of the application
void initializeCPC() {
// Disable firmware: we dont want it to interfere with our code
cpct_disableFirmware();
// Set the function interruptHandler to be called on each interrupt.
cpct_setInterruptHandler(interruptHandler);
// Set the hardware palette (convert firmware colour values to hardware ones and set the palette)
cpct_fw2hw(G_palette, 16);
cpct_setPalette(G_palette, 16); // Descomentar estas tres lineas cuando tengamos paleta
cpct_setBorder(G_palette[0]);
// Change to Mode 0 (160x200, 16 colours)
cpct_setVideoMode(0);
}
/////////////////////////////////////////////////////////////////////////////////
// Main application's code
//
void application(void) {
// Screen tilemap
TScreenTilemap scr = { 0, 0, { 0, 0, MAP_WIDTH, MAP_HEIGHT} };
// First show user messages
showMessages();
// Initialize the application
cpct_disableFirmware(); // Firmware must be disabled for this application to work
cpct_setBorder(0x00); // Set the border colour gray and..
cpct_setPALColour(0, 0x14); // ...background black
// VERY IMPORTANT: Before using EasyTileMap functions (etm), the internal
// pointer to the tileset must be set.
cpct_etm_setTileset2x4(g_tileset);
// Indefinitely draw the tilemap, listen to user input,
// do changes and draw it again
while(1) {
drawScreenTilemap(&scr); // Redraws the tilemap
readKeyboardInput(&scr); // Waits for a user input and makes associated changes
}
}
/////////////////////////////////////////////////////////////////////////////////
// Machine initialization code
//
void initialize_CPC() {
// Initialize the application
cpct_disableFirmware(); // Firmware must be disabled for this application to work
cpct_setVideoMode(0); // Set Mode 0 (160x200, 16 Colours)
cpct_setPalette(g_palette, 13); // Set Palette
cpct_setBorder(HW_BLACK); // Set the border and background colours to black
// VERY IMPORTANT: Before using EasyTileMap functions (etm), the internal
// pointer to the tileset must be set.
cpct_etm_setTileset2x4(g_tileset);
// Clean up the screen
cpct_memset(CPCT_VMEM_START, 0x00, 0x4000);
// Draw the full tilemap for the first time
cpct_etm_drawTileBox2x4(0, 0, // (X, Y) upper-left corner of the tilemap
SCR_TILE_WIDTH, MAP_HEIGHT, // (Width, Height) of the Box to be drawn (all the screen)
MAP_WIDTH, // Width of the full tilemap (which is wider than the screen)
CPCT_VMEM_START, // Pointer to the start of video memory (upper-left corner of the
// ...tilemap in the screen)
g_tilemap); // Pointer to the first tile of the tilemap to be drawn (upper-left
// ... corner of the tilemap viewport window)
}
