Apple-2-SW/prog8
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speedup at every 10 lines

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This commit is contained in:
Irmen de Jong 2019-03-10 03:53:17 +01:00
parent f36ce5e0ee
commit b040e5ddad
1 changed files with 24 additions and 9 deletions
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33
examples/tehtriz.p8
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@ -15,12 +15,13 @@
const ubyte boardHeight = 20
const ubyte startXpos = boardOffsetX + 3
const ubyte startYpos = boardOffsetY - 2
const ubyte startSpeedLevel = 30
uword lines
uword score
ubyte xpos
ubyte ypos
ubyte nextBlock
ubyte speedlevel = startSpeedLevel
sub start() {
@ -36,7 +37,7 @@ newgame:
spawnNextBlock()
waitkey:
if c64.TIME_LO==30 {
if c64.TIME_LO>=speedlevel {
c64.TIME_LO = 0
drawBlock(xpos, ypos, 32) ; hide block
@ -63,6 +64,13 @@ waitkey:
ubyte key=c64.GETIN()
if key==0 goto waitkey
keypress(key)
goto waitkey
}
sub keypress(ubyte key) {
if key==157 or key==',' {
; move left
drawBlock(xpos, ypos, 32)
@ -146,9 +154,6 @@ waitkey:
}
drawBlock(xpos, ypos, 160)
}
goto waitkey
}
sub checkForLines() {
@ -174,8 +179,13 @@ waitkey:
if linepos and blocklogic.isLineFull(linepos)
blocklogic.collapse(linepos)
lines += num_lines
uword[4] scores = [100, 250, 500, 800] ; can never clear more than 4 lines
uword[4] scores = [10, 25, 50, 100] ; can never clear more than 4 lines
score += scores[num_lines-1]
word speed = startSpeedLevel-(lines as word)/10
if speed>0
speedlevel = lsb(speed)
else
speedlevel = 0
drawScore()
}
}
@ -236,6 +246,8 @@ waitkey:
c64scr.print("irmen's")
c64scr.PLOT(1,2)
c64scr.print("teh▁triz")
c64scr.PLOT(2,22)
c64scr.print("speed: ")
c64.COLOR = 5
c64scr.PLOT(28,3)
c64scr.print("next:")
@ -278,7 +290,7 @@ waitkey:
c64scr.setcc(boardOffsetX+boardWidth, i, 84, 11)
}
for i in 6 to 0 step -1 {
for i in 5 to 0 step -1 {
blocklogic.newCurrentBlock(i)
drawBlock(3, 3+i*3, 102) ; 102 = stipple
}
@ -291,10 +303,13 @@ waitkey:
c64scr.print_uw(lines)
c64scr.PLOT(30,15)
c64scr.print_uw(score)
c64scr.PLOT(9,22)
c64scr.print_ub(startSpeedLevel+1-speedlevel)
}
sub drawNextBlock() {
for ubyte x in 31 to 28 step -1 {
const ubyte nextBlockXpos = 29
for ubyte x in nextBlockXpos+3 to nextBlockXpos step -1 {
c64scr.setcc(x, 5, ' ', 0)
c64scr.setcc(x, 6, ' ', 0)
}
@ -302,7 +317,7 @@ waitkey:
; reuse the normal block draw routine (because we can't manipulate array pointers yet)
ubyte prev = blocklogic.currentBlockNum
blocklogic.newCurrentBlock(nextBlock)
drawBlock(28, 5, 160)
drawBlock(nextBlockXpos, 5, 160)
blocklogic.newCurrentBlock(prev)
}