mirror of
https://github.com/irmen/prog8.git
synced 2024-12-27 05:29:38 +00:00
104 lines
2.7 KiB
Lua
104 lines
2.7 KiB
Lua
%import textio
|
|
%import test_stack
|
|
|
|
%zeropage basicsafe
|
|
|
|
; Note: this program is compatible with C64 and CX16.
|
|
|
|
main {
|
|
|
|
sub start() {
|
|
str input = ".........."
|
|
ubyte ballCount
|
|
ubyte[255] BX
|
|
ubyte[255] BY
|
|
ubyte[255] BC
|
|
ubyte[255] DX
|
|
ubyte[255] DY
|
|
|
|
txt.print("number of balls (1-255)? ")
|
|
void txt.input_chars(input)
|
|
ballCount = conv.str2ubyte(input)
|
|
txt.fill_screen(81, 0)
|
|
|
|
; Setup Starting Ball Positions
|
|
ubyte lp
|
|
for lp in 0 to ballCount-1 {
|
|
BX[lp] = rnd() % txt.DEFAULT_WIDTH
|
|
BY[lp] = rnd() % txt.DEFAULT_HEIGHT
|
|
BC[lp] = rnd() & 15
|
|
DX[lp] = rnd() & 1
|
|
DY[lp] = rnd() & 1
|
|
void rnd()
|
|
}
|
|
|
|
; start clock
|
|
c64.SETTIM(0,0,0)
|
|
|
|
; display balls
|
|
uword frame
|
|
for frame in 0 to 999 {
|
|
; Loop though all balls clearing current spot and setting new spot
|
|
for lp in 0 to ballCount-1 {
|
|
|
|
; Clear existing Location the ball is at
|
|
txt.setclr(BX[lp], BY[lp], 0)
|
|
|
|
if DX[lp] == 0 {
|
|
if (BX[lp] == 0)
|
|
{
|
|
DX[lp] = 1
|
|
} else {
|
|
BX[lp]=BX[lp]-1
|
|
}
|
|
} else if DX[lp] == 1 {
|
|
if (BX[lp] == txt.DEFAULT_WIDTH-1)
|
|
{
|
|
BX[lp] = txt.DEFAULT_WIDTH-2
|
|
DX[lp] = 0
|
|
} else {
|
|
BX[lp]=BX[lp]+1
|
|
}
|
|
}
|
|
if DY[lp] == 0 {
|
|
if (BY[lp] == 0)
|
|
{
|
|
DY[lp] = 1
|
|
} else {
|
|
BY[lp]=BY[lp]-1
|
|
}
|
|
} else if DY[lp] == 1 {
|
|
if (BY[lp] == txt.DEFAULT_HEIGHT-1)
|
|
{
|
|
BY[lp] = txt.DEFAULT_HEIGHT-2
|
|
DY[lp] = 0
|
|
} else {
|
|
BY[lp]=BY[lp]+1
|
|
}
|
|
}
|
|
|
|
; Put the new ball possition
|
|
txt.setclr(BX[lp], BY[lp], BC[lp])
|
|
}
|
|
|
|
;txt.plot(0,0)
|
|
;txt.print_uw(frame)
|
|
}
|
|
|
|
; read clock
|
|
uword jiffies
|
|
%asm {{
|
|
stx P8ZP_SCRATCH_REG
|
|
jsr c64.RDTIM
|
|
sta jiffies
|
|
stx jiffies+1
|
|
ldx P8ZP_SCRATCH_REG
|
|
}}
|
|
txt.print("\nbenchmark: ")
|
|
txt.print_uw(jiffies)
|
|
txt.print(" jiffies for 1000 frames.\n")
|
|
|
|
; test_stack.test()
|
|
}
|
|
}
|