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fixed for loop with step size >1

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This commit is contained in:
Irmen de Jong 2019-01-02 03:18:32 +01:00
parent 2f9eabeac7
commit 299d1bdab8
6 changed files with 44 additions and 81 deletions
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39
compiler/examples/sprites.p8
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@ -1,10 +1,11 @@
%import c64lib
%import c64utils
%option force_output, enable_floats
%option enable_floats
~ spritedata $0a00 {
%option force_output ; make sure the data appears in the program
; this memory block contains the sprite data
; it must start on an address aligned to 64 bytes.
%option force_output ; make sure the data in this block appears in the resulting program
ubyte[63] balloonsprite = [ %00000000,%01111111,%00000000,
%00000001,%11111111,%11000000,
@ -39,14 +40,15 @@
c64.STROUT("balloon sprites!\n")
c64.STROUT("...we are all floating...\n")
c64.SPRPTR0 = $0a00//64
c64.SPRPTR1 = $0a00//64
c64.SPRPTR2 = $0a00//64
c64.SPRPTR3 = $0a00//64
c64.SPRPTR4 = $0a00//64
c64.SPRPTR5 = $0a00//64
c64.SPRPTR6 = $0a00//64
c64.SPRPTR7 = $0a00//64
const uword sprite_address_ptr = $0a00 // 64 ; @todo " &balloonsprite // 64"
c64.SPRPTR0 = sprite_address_ptr
c64.SPRPTR1 = sprite_address_ptr
c64.SPRPTR2 = sprite_address_ptr
c64.SPRPTR3 = sprite_address_ptr
c64.SPRPTR4 = sprite_address_ptr
c64.SPRPTR5 = sprite_address_ptr
c64.SPRPTR6 = sprite_address_ptr
c64.SPRPTR7 = sprite_address_ptr
for ubyte i in 0 to 7 {
@(SP0X+i*2) = 50+25*i
@ -63,16 +65,13 @@
sub irq() {
c64.EXTCOL--
; float up & wobble horizontally
; @todo for loop with step 2 doesn't work
for ubyte i in 0 to 7 {
@(main.SP0Y+i+i)--
for ubyte i in 0 to 14 step 2 {
@(main.SP0Y+i)--
ubyte r = rnd()
if r>208
@(main.SP0X+i+i)++
else if r<48
@(main.SP0X+i+i)--
if r>200
@(main.SP0X+i)++
else if r<40
@(main.SP0X+i)--
}
c64.EXTCOL++
}

62
compiler/examples/test.p8
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@ -3,61 +3,19 @@
~ main {
sub start() {
uword uw1 = 0
uword uw2 = $77ff
uword uw3 = $55aa
word w1 = 0
word w2 = $22ff
word w3 = $55aa
memory uword muw1 = $2000
memory uword muw2 = $3000
memory uword muw3 = $4000
memory word mw1 = $4100
memory word mw2 = $4200
memory word mw3 = $4300
uword[3] uwarr = $55aa
word[3] warr = $55aa
memory uword[3] muwarr = $4400
memory word[3] mwarr = $4500
muw3 = $55aa
uwarr[0] = $55aa
uwarr[1] = $55aa
uwarr[2] = $55aa
muwarr[0] = $55aa
muwarr[1] = $55aa
muwarr[2] = $55aa
mwarr[0] = $55aa
mwarr[1] = $55aa
mwarr[2] = $55aa
uw1 = uw2 + $55aa ;52649
c64scr.print_uw(uw1)
c64.CHROUT('\n')
uw1 = uw2 + uw3 ;52649
c64scr.print_uw(uw1)
c64.CHROUT('\n')
uw1 = uw2 + muw3 ;52649
c64scr.print_uw(uw1)
c64.CHROUT('\n')
; uw1 = uw2 + uwarr[2] ;52649
; c64scr.print_uw(uw1)
for ubyte j in 0 to 7 step 2 { ; @todo wrong bytecode generated!!
vm_write_num(j)
vm_write_char('\n')
;c64scr.print_ub(j)
;c64.CHROUT('\n')
}
; w1 = w2 + $55aa ; 30889
; c64scr.print_w(w1)
for ubyte j in 10 to 3 step -2 { ; @todo wrong bytecode generated!!
vm_write_num(j)
vm_write_char('\n')
;c64scr.print_ub(j)
;c64.CHROUT('\n')
; w1 = w2 + w3 ; 30889
; c64scr.print_w(w1)
; c64.CHROUT('\n')
;
; uwarr[2] = uwarr[1] + $55aa
; uwarr[2] = uwarr[1] + uw3
; uwarr[2] = uwarr[1] + uwarr[1]
}
}
}

2
compiler/src/prog8/compiler/Compiler.kt
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@ -1802,7 +1802,7 @@ private class StatementTranslator(private val prog: IntermediateProgram,
range.step>1 -> {
prog.instr(opcodePushvar(varDt), callLabel = varname)
prog.instr(opcodePush(varDt), Value(varDt, range.step))
prog.instr(opcodeSub(varDt))
prog.instr(opcodeAdd(varDt))
prog.instr(opcodePopvar(varDt), callLabel = varname)
}
range.step<1 -> {

2
compiler/src/prog8/parser/prog8Lexer.java
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@ -1,4 +1,4 @@
// Generated from /home/irmen/Projects/prog8/compiler/antlr/prog8.g4 by ANTLR 4.7.2
// Generated from ../antlr/prog8.g4 by ANTLR 4.7.2
package prog8.parser;
import org.antlr.v4.runtime.Lexer;
import org.antlr.v4.runtime.CharStream;

2
compiler/src/prog8/parser/prog8Parser.java
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@ -1,4 +1,4 @@
// Generated from /home/irmen/Projects/prog8/compiler/antlr/prog8.g4 by ANTLR 4.7.2
// Generated from ../antlr/prog8.g4 by ANTLR 4.7.2
package prog8.parser;
import org.antlr.v4.runtime.atn.*;
import org.antlr.v4.runtime.dfa.DFA;

12
prog8lib/c64lib.p8
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@ -27,10 +27,12 @@
memory uword RESET_VEC = $FFFC ; 6502 reset vector, determined by the kernal if banked in
memory uword IRQ_VEC = $FFFE ; 6502 interrupt vector, determined by the kernal if banked in
const uword Screen = $0400 ; default character screen matrix @todo matrix/array? needs to support array size > 255
const uword Colors = $d800 ; character screen colors @todo matrix/array? needs to support array size > 255
; the default addresses for the character screen chars and colors
const uword Screen = $0400 ; @todo matrix/array? needs to support array size > 255
const uword Colors = $d800 ; @todo matrix/array? needs to support array size > 255
memory ubyte SPRPTR0 = 2040 ; default sprite pointers (store address of sprite / 64)
; the default locations of the 8 sprite pointers (store address of sprite / 64)
memory ubyte SPRPTR0 = 2040
memory ubyte SPRPTR1 = 2041
memory ubyte SPRPTR2 = 2042
memory ubyte SPRPTR3 = 2043
@ -132,6 +134,10 @@
; ---- end of CIA registers ----
; @todo SID sound chip registers
; ---- C64 basic and kernal ROM float constants and functions ----
; note: the fac1 and fac2 are working registers and take 6 bytes each,