79 lines
1.2 KiB
Fortran
79 lines
1.2 KiB
Fortran
/**
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* Constants
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*/
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const str nl = "\n";
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const nat WHITE = 255;
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/**
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* Devices
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*/
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plex Terminal {
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nat handle;
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init() {
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handle = open("/dev/term/0", 0);
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}
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}
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plex Screen {
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nat handle;
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nat width;
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nat height;
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nat buffer_size;
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byte[] screen_buffer;
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init() {
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this.handle = open("/dev/screen/0", 0);
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}
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draw() {
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write(this.handle, this.screen_buffer, this.buffer_size);
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}
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}
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plex Mouse {
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nat handle;
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nat x;
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nat y;
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bool left;
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bool right;
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bool middle;
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bool btn4;
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nat size;
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init() {
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this.handle = open("/dev/mouse/0", 0);
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}
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}
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/**
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* Main function
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*/
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function main() {
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Screen screen();
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pln(screen.handle.str);
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pln(screen.width.str);
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pln(screen.size.str);
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pln(screen.screen_buffer.ptr.str);
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Mouse mouse();
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screen.draw();
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loop {
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if (mouse.btn1) {
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screen.screen_buffer[mouse.y * width + mouse.x +
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screen.screen_buffer.ptr + 4] = WHITE;
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screen.draw();
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}
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}
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}
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/**
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* Print with a newline
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*/
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function pln(str message) {
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Terminal term();
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write(term, message, message.length);
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write(term, nl, nl.length);
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}
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