diff --git a/sysdata/programs/ps2_driver/src/main.hb b/sysdata/programs/ps2_driver/src/main.hb index a6dccf6..21946cf 100644 --- a/sysdata/programs/ps2_driver/src/main.hb +++ b/sysdata/programs/ps2_driver/src/main.hb @@ -17,14 +17,16 @@ $NoDevice := DeviceID.(0xFFFF) State := struct {value: u8} $Recive := State.(0) $Reboot := State.(1) +$GetID := State.(2) +$TurnOnStreaming := State.(3) -Port := struct {exists: bool, device: DeviceID, command_queued: bool, command_queue: u8, state: State, expecting: bool, expecting_data: u8} +Port := struct {exists: bool, device: DeviceID, commands_queued: u8, command_queue: [u8; 8], awaiting_ack: bool, state: State, expecting: bool, expecting_data: u8} $check_bit := fn(value: u8, bit: u8, state: u8): bool { return (value >> bit & 1) == state } -ports := [Port].(.(true, NoDevice, false, 0xFF, Reboot, false, 0x0), .(true, NoDevice, false, 0xFF, Reboot, false, 0x0)) +ports := [Port].(.(true, NoDevice, 1, .(0xFF, 0, 0, 0, 0, 0, 0, 0), false, Reboot, false, 0x0), .(true, NoDevice, 1, .(0xFF, 0, 0, 0, 0, 0, 0, 0), false, Reboot, false, 0x0)) initialize_controller := fn(): void { memory.outb(0x64, 0xAD) @@ -67,13 +69,13 @@ initialize_controller := fn(): void { log.info("Port 1 exists.\0") memory.outb(0x64, 0xAE) //Enables port 1. - ports[0].command_queued = true + ports[0].commands_queued = 1 } if ports[1].exists { log.info("Port 2 exists.\0") memory.outb(0x64, 0xA8) //Enables port 2. - ports[1].command_queued = true + ports[1].commands_queued = 1 } } @@ -102,14 +104,14 @@ main := fn(): void { } if (port_info & 1) == 0 { - if ports[0].exists & ports[0].command_queued { + if ports[0].exists & ports[0].commands_queued > 0 { memory.outb(0x60, ports[0].command_queue) - ports[0].command_queued = false + ports[0].commands_queued -= 1 } - if ports[1].exists & ports[1].command_queued { + if ports[1].exists & ports[1].commands_queued > 0 { memory.outb(0x64, 0xD4) memory.outb(0x60, ports[1].command_queue) - ports[1].command_queued = false + ports[1].commands_queued -= 1 } } @@ -119,7 +121,12 @@ main := fn(): void { } if ports[port].exists { - @inline(handle_input, port, memory.inb(0x60)) + input := memory.inb(0x60) + if ports[port].awaiting_ack & input == 0xFA { + ports[port].awaiting_ack = false + } else { + @inline(handle_input, port, input) + } } } } \ No newline at end of file