HelenOS sources
EGA_SCREEN 44 kernel/genarch/include/genarch/drivers/ega/ega.h #define EGA_VRAM_SIZE (2 * EGA_SCREEN)
EGA_SCREEN 445 kernel/genarch/src/drivers/ega/ega.c if (instance->cursor < EGA_SCREEN)
EGA_SCREEN 450 kernel/genarch/src/drivers/ega/ega.c (EGA_SCREEN - EGA_COLS) * 2);
EGA_SCREEN 451 kernel/genarch/src/drivers/ega/ega.c memsetw(instance->backbuf + (EGA_SCREEN - EGA_COLS) * 2,
EGA_SCREEN 457 kernel/genarch/src/drivers/ega/ega.c (EGA_SCREEN - EGA_COLS) * 2);
EGA_SCREEN 458 kernel/genarch/src/drivers/ega/ega.c memsetw(instance->addr + (EGA_SCREEN - EGA_COLS) * 2,
EGA_SCREEN 499 kernel/genarch/src/drivers/ega/ega.c if (instance->cursor >= EGA_SCREEN)
EGA_SCREEN 507 kernel/genarch/src/drivers/ega/ega.c EGA_SCREEN - instance->cursor, EMPTY_CHAR);
EGA_SCREEN 511 kernel/genarch/src/drivers/ega/ega.c EGA_SCREEN - instance->cursor, EMPTY_CHAR);
HelenOS homepage, sources at GitHub