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#include <lcom/lcf.h>
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#include <lcom/lab5.h>
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#include <stdint.h>
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#include <stdio.h>
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#include "sprite.h"
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#include "graphics.h"
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#include "graphics_macros.h"
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#include "keyboard.h"
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#include "kbc.h"
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#include "kbc_macros.h"
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#include "timer.h"
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// Any header files included below this line should have been created by you
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int main(int argc, char *argv[]) {
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    // sets the language of LCF messages (can be either EN-US or PT-PT)
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    lcf_set_language("EN-US");
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    // enables to log function invocations that are being "wrapped" by LCF
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    // [comment this out if you don't want/need it]
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    lcf_trace_calls("/home/lcom/labs/lab5/trace.txt");
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    // enables to save the output of printf function calls on a file
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    // [comment this out if you don't want/need it]
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    lcf_log_output("/home/lcom/labs/lab5/output.txt");
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    // handles control over to LCF
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    // [LCF handles command line arguments and invokes the right function]
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    if (lcf_start(argc, argv))
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    return 1;
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    // LCF clean up tasks
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    // [must be the last statement before return]
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    lcf_cleanup();
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    return 0;
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}
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int(video_test_init)(uint16_t mode, uint8_t delay) {
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    if (vbe_get_mode_information(mode)) {
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        printf("%s: failed to get information for mode %x.\n", __func__, mode);
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        if (vg_exit())
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        return 1;
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    }
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    map_vram(); // if function fails it aborts program
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    if (set_graphics_mode(mode)) {
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        printf("%s: failed to set graphic mode %x.\n", __func__, mode);
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        if (vg_exit())
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        return 1;
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    };
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    tickdelay(micros_to_ticks(delay*1e6));
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    if (vg_exit()) {
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        printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        if (free_memory_map())
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            printf("%s: lm_free failed\n", __func__);
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        return 1;
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    }
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    if (free_memory_map()) {
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        printf("%s: lm_free failed\n", __func__);
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        return 1;
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    }
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    return 0;
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}
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// lcom_run lab5 "rectangle 105 100 100 100 100 1"
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// lcom_run lab5 "rectangle 115 100 100 100 100 FF0000"
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int(video_test_rectangle)(uint16_t mode, uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint32_t color) {
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    int r;
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    if (vbe_get_mode_information(mode)) {
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        printf("%s: failed to get information for mode %x.\n", __func__, mode);
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        if (vg_exit())
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        return 1;
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    }
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    map_vram(); // if function fails it aborts program
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    if (set_graphics_mode(mode)) {
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        printf("%s: failed to set graphic mode %x.\n", __func__, mode);
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        if (vg_exit()) printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        return 1;
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    };
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    if (vg_draw_rectangle(x, y, width, height, color)) {
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        if (vg_exit()) {
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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            if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        }
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        return 1;
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    }
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    /// loop stuff
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    int ipc_status;
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    message msg;
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    /// Keyboard interrupt handling
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    uint8_t kbc_irq_bit = KBC_IRQ;
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    int kbc_id = 0;
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    int kbc_irq = BIT(kbc_irq_bit);
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    if (subscribe_kbc_interrupt(kbc_irq_bit, &kbc_id)) {
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        if (vg_exit()) {
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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            if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        }
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        return 1;
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    }
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    /// cycle
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    int good = 1;
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    while (good) {
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        /* Get a request message. */
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        if ((r = driver_receive(ANY, &msg, &ipc_status)) != 0) {
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            printf("driver_receive failed with %d", r);
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            continue;
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        }
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        if (is_ipc_notify(ipc_status)) { /* received notification */
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            switch (_ENDPOINT_P(msg.m_source)) {
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                case HARDWARE: /* hardware interrupt notification */
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                    if (msg.m_notify.interrupts & kbc_irq) { /* subscribed interrupt */
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                        kbc_ih();
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                        if (scancode[0] == ESC_BREAK_CODE) good = 0;
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                    }
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                    break;
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                default:
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                    break; /* no other notifications expected: do nothing */
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            }
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        } else { /* received standart message, not a notification */
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            /* no standart message expected: do nothing */
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        }
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    }
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    if (unsubscribe_interrupt(&kbc_id)) {
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        if (vg_exit()) {
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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            if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        }
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        return 1;
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    };
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    if (vg_exit()) {
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        printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        return 1;
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    }
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    if (free_memory_map()) {
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        printf("%s: lm_free failed\n", __func__);
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        return 1;
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    }
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    return 0;
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}
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int(video_test_pattern)(uint16_t mode, uint8_t no_rectangles, uint32_t first, uint8_t step) {
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    int r;
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    if (vbe_get_mode_information(mode)) {
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        printf("%s: failed to get information for mode %x.\n", __func__, mode);
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        if (vg_exit())
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        return 1;
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    }
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    map_vram(); // if function fails it aborts program
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    if (set_graphics_mode(mode)) {
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        printf("%s: failed to set graphic mode %x.\n", __func__, mode);
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        if (vg_exit()) printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        return 1;
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    };
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    uint16_t W = get_XRes()/no_rectangles;
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    uint16_t H = get_YRes()/no_rectangles;
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    uint32_t color, R, G, B;
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    for(uint8_t row = 0; row < no_rectangles; ++row){
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        for(uint8_t col = 0; col < no_rectangles; ++col){
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            if(get_bytes_pixel() == 1){
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                color = (first + (row * no_rectangles + col) * step) % (1 << get_bits_pixel());
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            }else{
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                R = (GET_RED(first) + col*step) % (1 << get_RedMaskSize());
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                G = (GET_GRE(first) + row*step) % (1 << get_GreenMaskSize());
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                B = (GET_BLU(first) + (col+row)*step) % (1 << get_BlueMaskSize());
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                color = SET_COLOR(R,G,B);
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            }
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            if (vg_draw_rectangle(col*W,row*H,W,H,color)) {
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                if (vg_exit()) {
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                    printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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                    if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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                }
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                return 1;
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            }
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        }
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    }
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    /// loop stuff
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    int ipc_status;
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    message msg;
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    /// Keyboard interrupt handling
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    uint8_t kbc_irq_bit = KBC_IRQ;
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    int kbc_id = 0;
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    int kbc_irq = BIT(kbc_irq_bit);
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    if (subscribe_kbc_interrupt(kbc_irq_bit, &kbc_id)) {
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        if (vg_exit()) {
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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            if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        }
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        return 1;
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    }
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    /// cycle
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    int good = 1;
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    while (good) {
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        /* Get a request message. */
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        if ((r = driver_receive(ANY, &msg, &ipc_status)) != 0) {
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            printf("driver_receive failed with %d", r);
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            continue;
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        }
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        if (is_ipc_notify(ipc_status)) { /* received notification */
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            switch (_ENDPOINT_P(msg.m_source)) {
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                case HARDWARE: /* hardware interrupt notification */
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                    if (msg.m_notify.interrupts & kbc_irq) { /* subscribed interrupt */
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                        kbc_ih();
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                        if (scancode[0] == ESC_BREAK_CODE) good = 0;
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                    }
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                    break;
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                default:
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                    break; /* no other notifications expected: do nothing */
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            }
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        } else { /* received standart message, not a notification */
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            /* no standart message expected: do nothing */
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        }
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    }
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    if (unsubscribe_interrupt(&kbc_id)) {
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        if (vg_exit()) {
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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            if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        }
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        return 1;
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    };
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    if (vg_exit()) {
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        printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        return 1;
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    }
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    if (free_memory_map()) {
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        printf("%s: lm_free failed\n", __func__);
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        return 1;
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    }
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    return 0;
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}
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int(video_test_xpm)(xpm_map_t xpm, uint16_t x, uint16_t y) {
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    int r;
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    if (vbe_get_mode_information(INDEXED_1024_768)) {
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        printf("%s: failed to get information for mode %x.\n", __func__, INDEXED_1024_768);
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        if (vg_exit())
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        return 1;
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    }
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    map_vram(); // if function fails it aborts program
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    if (set_graphics_mode(INDEXED_1024_768)) {
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        printf("%s: failed to set graphic mode %x.\n", __func__, INDEXED_1024_768);
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        if (vg_exit()) printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        return 1;
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    };
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    sprite_t *sp = sprite_ctor(xpm);
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    sprite_set_pos(sp, x, y);
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    sprite_draw(sp);
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    /// loop stuff
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    int ipc_status;
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    message msg;
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    /// Keyboard interrupt handling
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    uint8_t kbc_irq_bit = KBC_IRQ;
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    int kbc_id = 0;
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    int kbc_irq = BIT(kbc_irq_bit);
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    if (subscribe_kbc_interrupt(kbc_irq_bit, &kbc_id)) {
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        if (vg_exit()) {
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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            if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        }
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        return 1;
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    }
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    /// cycle
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    int good = 1;
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    while (good) {
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        /* Get a request message. */
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        if ((r = driver_receive(ANY, &msg, &ipc_status)) != 0) {
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            printf("driver_receive failed with %d", r);
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            continue;
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        }
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        if (is_ipc_notify(ipc_status)) { /* received notification */
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            switch (_ENDPOINT_P(msg.m_source)) {
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                case HARDWARE: /* hardware interrupt notification */
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                    if (msg.m_notify.interrupts & kbc_irq) { /* subscribed interrupt */
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                        kbc_ih();
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                        if (scancode[0] == ESC_BREAK_CODE) good = 0;
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                    }
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                    break;
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                default:
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                    break; /* no other notifications expected: do nothing */
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            }
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        } else { /* received standart message, not a notification */
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            /* no standart message expected: do nothing */
322
        }
323
    }
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325
    if (unsubscribe_interrupt(&kbc_id)) {
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        if (vg_exit()) {
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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            if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        }
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        return 1;
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    };
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    if (vg_exit()) {
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        printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        return 1;
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    }
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    if (free_memory_map()) {
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        printf("%s: lm_free failed\n", __func__);
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        return 1;
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    }
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    return 0;
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}
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int(video_test_move)(xpm_map_t xpm, uint16_t xi, uint16_t yi, uint16_t xf, uint16_t yf, int16_t speed, uint8_t fr_rate) {
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    int r;
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    if (vbe_get_mode_information(INDEXED_1024_768)) {
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        printf("%s: failed to get information for mode %x.\n", __func__, INDEXED_1024_768);
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        if (vg_exit())
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            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        return 1;
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    }
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    map_vram(); // if function fails it aborts program
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359
    if (set_graphics_mode(INDEXED_1024_768)) {
360
        printf("%s: failed to set graphic mode %x.\n", __func__, INDEXED_1024_768);
361
        if (vg_exit()) printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        return 1;
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    };
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    sprite_t *sp = sprite_ctor(xpm);
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367
    /// Timer interrupt handling
368
    const uint32_t frequency = sys_hz(); // Frequency asummed at 60Hz
369
    uint8_t timer_irq_bit = 0;
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    int timer_id = 0;
371
    int timer_irq = BIT(timer_irq_bit);
372
    if(subscribe_timer_interrupt(timer_irq_bit, &timer_id)) return 1;
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374
    no_interrupts = 0;
375
    /// Keyboard interrupt handling
376
    uint8_t kbc_irq_bit = KBC_IRQ;
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    int kbc_id = 0;
378
    int kbc_irq = BIT(kbc_irq_bit);
379
    if (subscribe_kbc_interrupt(kbc_irq_bit, &kbc_id)) {
380
        if (vg_exit()) {
381
            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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            if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        }
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        return 1;
385
    }
386
    ///
387
    uint16_t dx = xf-xi;
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    uint16_t dy = yf-yi;
389
    if(xi != xf) dy = 0;
390
    else         dx = 0;
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    uint16_t dframe = (speed <= 0 ? 1 : speed);
392
    uint16_t Nt     = (speed <  0 ? -speed : 1);
393
    uint32_t dt     = frequency/(uint32_t)fr_rate;
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395
    /// loop stuff
396
    int ipc_status;
397
    message msg;
398
    /// cycle
399
    uint16_t x = xi, y = yi;
400
    int i = Nt-1;
401
    int good = 1;
402
    while (good) {
403
404
        /* Get a request message. */
405
        if ((r = driver_receive(ANY, &msg, &ipc_status)) != 0) {
406
            printf("driver_receive failed with %d", r);
407
            continue;
408
        }
409
        if (is_ipc_notify(ipc_status)) { /* received notification */
410
            switch (_ENDPOINT_P(msg.m_source)) {
411
                case HARDWARE: /* hardware interrupt notification */
412
                    if (msg.m_notify.interrupts & timer_irq) { /* subscribed interrupt */
413
                        timer_int_handler();
414
                    }
415
                    if (msg.m_notify.interrupts & kbc_irq) { /* subscribed interrupt */
416
                        kbc_ih();
417
                        if (scancode[0] == ESC_BREAK_CODE) good = 0;
418
                    }
419
                    break;
420
                default:
421
                    break; /* no other notifications expected: do nothing */
422
            }
423
        } else { /* received standart message, not a notification */
424
            /* no standart message expected: do nothing */
425
        }
426
        if(good == 0) continue;
427
        if(no_interrupts == dt){
428
            no_interrupts = 0;
429
            i = (i+1)%Nt;
430
            if(i == 0){
431
                if(dx) x += dframe;
432
                if(dy) y += dframe;
433
                if((dx < 0 && x <= xf)||
434
                   (dx > 0 && x >= xf)){
435
                    x = xf;
436
                    good = 0;
437
                }
438
                if((dy < 0 && y <= yf)||
439
                   (dy > 0 && y >= yf)){
440
                    y = yf;
441
                    good = 0;
442
                }
443
                sprite_set_pos(sp,x,y);
444
                sprite_draw(sp);
445
            }
446
        }
447
    }
448
449
    if (unsubscribe_interrupt(&kbc_id)) {
450
        if (vg_exit()) {
451
            printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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            if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        }
454
        return 1;
455
    };
456
457
    if (vg_exit()) {
458
        printf("%s: vg_exit failed to exit to text mode.\n", __func__);
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        if (free_memory_map()) printf("%s: lm_free failed\n", __func__);
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        return 1;
461
    }
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    if (free_memory_map()) {
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        printf("%s: lm_free failed\n", __func__);
465
        return 1;
466
    }
467
468
    return 0;
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}
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471
int(video_test_controller)() {
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    vg_vbe_contr_info_t cntrl_info;
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    vbe_get_controller_information(&cntrl_info);
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    vg_display_vbe_contr_info(&cntrl_info);
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479
    return 0;
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}