Ps/2 Compatible Mouse Driver __full__ May 2026

Your main loop can now poll mouse_x , mouse_y , and mouse_buttons . Here’s a simple console debug:

void install_mouse_handler() set_idt_gate(0x2C, (uint32_t)mouse_isr, 0x08, 0x8E); outb(0x21, inb(0x21) & ~0x20); // Unmask IRQ12 on slave PIC outb(0xA1, inb(0xA1) & ~0x20); ps/2 compatible mouse driver

Enabling Scroll Wheel (IntelliMouse) Send this sequence to switch to 4-byte packets: Your main loop can now poll mouse_x ,