mirror of
https://github.com/usatiuk/nand2tetris.git
synced 2025-10-28 16:17:48 +01:00
201 lines
2.7 KiB
Plaintext
201 lines
2.7 KiB
Plaintext
function Ball.new 0
|
|
push constant 5
|
|
call Memory.alloc 1
|
|
pop pointer 0
|
|
push argument 0
|
|
pop this 0
|
|
push argument 1
|
|
pop this 1
|
|
push argument 2
|
|
pop this 2
|
|
push argument 3
|
|
pop this 3
|
|
push argument 4
|
|
pop this 4
|
|
push pointer 0
|
|
return
|
|
function Ball.setPos 0
|
|
push argument 0
|
|
pop pointer 0
|
|
push pointer 0
|
|
call Ball.erase 1
|
|
pop temp 0
|
|
push argument 1
|
|
pop this 0
|
|
push argument 2
|
|
pop this 1
|
|
push constant 0
|
|
return
|
|
function Ball.setSpeed 0
|
|
push argument 0
|
|
pop pointer 0
|
|
push argument 1
|
|
pop this 3
|
|
push argument 2
|
|
pop this 4
|
|
push constant 0
|
|
return
|
|
function Ball.draw 0
|
|
push argument 0
|
|
pop pointer 0
|
|
push constant 0
|
|
not
|
|
call Screen.setColor 1
|
|
pop temp 0
|
|
push this 0
|
|
push this 1
|
|
push this 2
|
|
call Screen.drawCircle 3
|
|
pop temp 0
|
|
push constant 0
|
|
return
|
|
function Ball.erase 0
|
|
push argument 0
|
|
pop pointer 0
|
|
push constant 0
|
|
call Screen.setColor 1
|
|
pop temp 0
|
|
push this 0
|
|
push this 1
|
|
push this 2
|
|
call Screen.drawCircle 3
|
|
pop temp 0
|
|
push constant 0
|
|
return
|
|
function Ball.update 5
|
|
push argument 0
|
|
pop pointer 0
|
|
push pointer 0
|
|
call Ball.getLeft 1
|
|
pop local 1
|
|
push pointer 0
|
|
call Ball.getRight 1
|
|
pop local 2
|
|
push pointer 0
|
|
call Ball.getTop 1
|
|
pop local 3
|
|
push pointer 0
|
|
call Ball.getBottom 1
|
|
pop local 4
|
|
push pointer 0
|
|
call Ball.erase 1
|
|
pop temp 0
|
|
push local 1
|
|
push constant 2
|
|
lt
|
|
push this 3
|
|
and
|
|
push constant 0
|
|
lt
|
|
if-goto IF_TRUE0
|
|
goto IF_FALSE0
|
|
label IF_TRUE0
|
|
push pointer 0
|
|
call Ball.invertHspeed 1
|
|
pop temp 0
|
|
label IF_FALSE0
|
|
push local 2
|
|
push constant 508
|
|
gt
|
|
push this 3
|
|
and
|
|
push constant 0
|
|
gt
|
|
if-goto IF_TRUE1
|
|
goto IF_FALSE1
|
|
label IF_TRUE1
|
|
push pointer 0
|
|
call Ball.invertHspeed 1
|
|
pop temp 0
|
|
label IF_FALSE1
|
|
push local 3
|
|
push constant 2
|
|
lt
|
|
push this 4
|
|
and
|
|
push constant 0
|
|
lt
|
|
if-goto IF_TRUE2
|
|
goto IF_FALSE2
|
|
label IF_TRUE2
|
|
push pointer 0
|
|
call Ball.invertVspeed 1
|
|
pop temp 0
|
|
label IF_FALSE2
|
|
push local 4
|
|
push constant 250
|
|
gt
|
|
push this 4
|
|
and
|
|
push constant 0
|
|
gt
|
|
if-goto IF_TRUE3
|
|
goto IF_FALSE3
|
|
label IF_TRUE3
|
|
push pointer 0
|
|
call Ball.invertVspeed 1
|
|
pop temp 0
|
|
label IF_FALSE3
|
|
push this 0
|
|
push this 3
|
|
add
|
|
pop this 0
|
|
push this 1
|
|
push this 4
|
|
add
|
|
pop this 1
|
|
push pointer 0
|
|
call Ball.draw 1
|
|
pop temp 0
|
|
push constant 0
|
|
return
|
|
function Ball.invertVspeed 0
|
|
push argument 0
|
|
pop pointer 0
|
|
push this 4
|
|
neg
|
|
pop this 4
|
|
push constant 0
|
|
return
|
|
function Ball.invertHspeed 0
|
|
push argument 0
|
|
pop pointer 0
|
|
push this 3
|
|
neg
|
|
pop this 3
|
|
push constant 0
|
|
return
|
|
function Ball.getLeft 0
|
|
push argument 0
|
|
pop pointer 0
|
|
push this 0
|
|
push this 2
|
|
sub
|
|
return
|
|
function Ball.getRight 0
|
|
push argument 0
|
|
pop pointer 0
|
|
push this 0
|
|
push this 2
|
|
add
|
|
return
|
|
function Ball.getTop 0
|
|
push argument 0
|
|
pop pointer 0
|
|
push this 1
|
|
push this 2
|
|
sub
|
|
return
|
|
function Ball.getBottom 0
|
|
push argument 0
|
|
pop pointer 0
|
|
push this 1
|
|
push this 2
|
|
add
|
|
return
|
|
function Ball.getVspeed 0
|
|
push argument 0
|
|
pop pointer 0
|
|
push this 4
|
|
return
|