50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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//
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// Created by william on 5/1/24.
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//
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#include <stdlib.h>
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#include "ppu_view.h"
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void ppv_print_line(PpuView *view, byte reg, int line, char *fmt) {
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int reg_value = view->ppu->registers[reg];
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window_print(view->window, 0, line, fmt);
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for (int i = 0; i < 0x8; i++) {
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byte mask = 0x80 >> i;
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byte bit = (reg_value & mask) >> (8 - i - 1);
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int print_offset = 10 + i;
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if (i > 3) {
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print_offset += 1;
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}
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window_print(view->window, print_offset, line, "%d", bit);
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}
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}
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void ppv_print(PpuView *view) {
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ppv_print_line(view, PPU_REGISTER_CTRL, 0, " CTRL:");
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ppv_print_line(view, PPU_REGISTER_MASK, 1, " MASK:");
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ppv_print_line(view, PPU_REGISTER_STATUS, 2, " STATUS:");
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ppv_print_line(view, PPU_REGISTER_OAM_ADDR, 3, "OAM_ADDR:");
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ppv_print_line(view, PPU_REGISTER_OAM_DATA, 4, "OAM_DATA:");
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ppv_print_line(view, PPU_REGISTER_SCROLL, 5, " SCROLL:");
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ppv_print_line(view, PPU_REGISTER_ADDR, 6, " ADDR:");
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ppv_print_line(view, PPU_REGISTER_DATA, 7, " DATA:");
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}
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PpuView *ppv_init(PPU *ppu, int x, int y) {
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PpuView *view = malloc(sizeof(PpuView));
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view->window = malloc(sizeof(Window));
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view->ppu = ppu;
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window_init(view->window, x, y, PPU_VIEW_WIDTH, PPU_VIEW_HEIGHT, "PPU VIEW");
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ppv_print(view);
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return view;
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}
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void ppv_uninit(PpuView *view) {
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free(view->window);
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free(view);
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}
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