triangle.noth

可配置的vga显示控制器

typedef struct {
  int   ax, ay;
  int   bx, by;
  int   cx, cy;
  int   spans_needed;
  int   max_span;
  int   top_y;
  int   bottom_y;
  int   col;
  int   *span_array;
} triangle_struct;

typedef struct {
  int   x[2];        // Start and end position of the span
} span_struct;