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https://gitlab.com/camelot/kickc.git
synced 2024-09-08 17:54:40 +00:00
Added KC-based scroller
This commit is contained in:
jespergravgaard
parent
7be265f42c
commit
5a4388d6d3
@ -24,6 +24,10 @@ public class TestCompilationOutput extends TestCase {
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helper = new ReferenceHelper("dk/camelot64/kickc/test/ref/");
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}
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public void testScroll() throws IOException, URISyntaxException {
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compileAndCompare("scroll");
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}
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public void testConstantMin() throws IOException, URISyntaxException {
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compileAndCompare("constantmin");
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}
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88
src/main/java/dk/camelot64/kickc/test/ref/scroll.asm
Normal file
88
src/main/java/dk/camelot64/kickc/test/ref/scroll.asm
Normal file
@ -0,0 +1,88 @@
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.const SCREEN = $400
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.const RASTER = $d012
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.const BGCOL = $d020
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.const SCROLL = $d016
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TEXT: .text "this is rex of camelot testing a scroller created in kickc. kickc is an optimizing c-compiler for 6502 assembler. "
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STOP: .byte 0
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jsr main
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main: {
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.const line = SCREEN+$28
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.label nxt = 2
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jsr fillscreen
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lda #<TEXT
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sta nxt
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lda #>TEXT
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sta nxt+1
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ldx #7
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b2:
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lda RASTER
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cmp #$fe
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bne b2
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b3:
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lda RASTER
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cmp #$ff
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bne b3
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lda BGCOL
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clc
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adc #1
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sta BGCOL
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dex
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cpx #$ff
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bne b4
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ldx #0
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b5:
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lda line+1,x
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sta line,x
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inx
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cpx #$27
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bne b5
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ldy #0
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lda (nxt),y
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cmp #0
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bne b6
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lda #<TEXT
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sta nxt
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lda #>TEXT
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sta nxt+1
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lda TEXT
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b6:
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sta line+$27
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inc nxt
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bne !+
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inc nxt+1
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!:
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ldx #7
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b4:
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stx SCROLL
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lda BGCOL
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sec
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sbc #1
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sta BGCOL
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jmp b2
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rts
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}
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fillscreen: {
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.const fill = $20
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.label cursor = 2
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lda #<SCREEN
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sta cursor
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lda #>SCREEN
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sta cursor+1
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b1:
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ldy #0
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lda #fill
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sta (cursor),y
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inc cursor
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bne !+
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inc cursor+1
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!:
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lda cursor+1
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cmp #>SCREEN+$3e8
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bcc b1
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bne !+
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lda cursor
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cmp #<SCREEN+$3e8
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bcc b1
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!:
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rts
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}
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69
src/main/java/dk/camelot64/kickc/test/ref/scroll.cfg
Normal file
69
src/main/java/dk/camelot64/kickc/test/ref/scroll.cfg
Normal file
@ -0,0 +1,69 @@
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@begin: scope:[] from
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[0] call main param-assignment [ ]
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to:@end
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@end: scope:[] from @begin
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main: scope:[main] from @begin
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[1] phi() [ ]
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[2] call fillscreen param-assignment [ ]
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to:main::@2
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main::@2: scope:[main] from main main::@2 main::@4
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[3] (byte*) main::nxt#3 ← phi( main::@4/(byte*) main::nxt#10 main/(const byte*) TEXT#0 ) [ main::scroll#3 main::nxt#3 ]
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[3] (byte) main::scroll#3 ← phi( main::@4/(byte) main::scroll#10 main/(byte) 7 ) [ main::scroll#3 main::nxt#3 ]
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[4] (byte~) main::$2 ← * (const byte*) RASTER#0 [ main::scroll#3 main::nxt#3 main::$2 ]
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[5] if((byte~) main::$2!=(byte) 254) goto main::@2 [ main::scroll#3 main::nxt#3 ]
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to:main::@3
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main::@3: scope:[main] from main::@2 main::@3
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[6] (byte~) main::$4 ← * (const byte*) RASTER#0 [ main::scroll#3 main::nxt#3 main::$4 ]
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[7] if((byte~) main::$4!=(byte) 255) goto main::@3 [ main::scroll#3 main::nxt#3 ]
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to:main::@8
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main::@8: scope:[main] from main::@3
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[8] (byte~) main::$6 ← * (const byte*) BGCOL#0 [ main::scroll#3 main::nxt#3 main::$6 ]
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[9] (byte~) main::$7 ← (byte~) main::$6 + (byte) 1 [ main::scroll#3 main::nxt#3 main::$7 ]
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[10] *((const byte*) BGCOL#0) ← (byte~) main::$7 [ main::scroll#3 main::nxt#3 ]
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[11] (byte) main::scroll#1 ← -- (byte) main::scroll#3 [ main::nxt#3 main::scroll#1 ]
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[12] if((byte) main::scroll#1!=(byte) 255) goto main::@4 [ main::nxt#3 main::scroll#1 ]
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to:main::@5
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main::@5: scope:[main] from main::@5 main::@8
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[13] (byte) main::i#2 ← phi( main::@5/(byte) main::i#1 main::@8/(byte) 0 ) [ main::nxt#3 main::i#2 ]
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[14] (byte~) main::$11 ← (const byte[]) main::line#0+(byte) 1 *idx (byte) main::i#2 [ main::nxt#3 main::i#2 main::$11 ]
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[15] *((const byte[]) main::line#0 + (byte) main::i#2) ← (byte~) main::$11 [ main::nxt#3 main::i#2 ]
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[16] (byte) main::i#1 ← ++ (byte) main::i#2 [ main::nxt#3 main::i#1 ]
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[17] if((byte) main::i#1!=(byte) 39) goto main::@5 [ main::nxt#3 main::i#1 ]
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to:main::@10
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main::@10: scope:[main] from main::@5
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[18] (byte) main::c#0 ← * (byte*) main::nxt#3 [ main::nxt#3 main::c#0 ]
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[19] if((byte) main::c#0!=(byte) 0) goto main::@6 [ main::nxt#3 main::c#0 ]
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to:main::@11
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main::@11: scope:[main] from main::@10
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[20] (byte) main::c#1 ← * (const byte*) TEXT#0 [ main::c#1 ]
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to:main::@6
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main::@6: scope:[main] from main::@10 main::@11
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[21] (byte*) main::nxt#4 ← phi( main::@10/(byte*) main::nxt#3 main::@11/(const byte*) TEXT#0 ) [ main::c#2 main::nxt#4 ]
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[21] (byte) main::c#2 ← phi( main::@10/(byte) main::c#0 main::@11/(byte) main::c#1 ) [ main::c#2 main::nxt#4 ]
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[22] *((const byte[]) main::line#0+(byte) 39) ← (byte) main::c#2 [ main::nxt#4 ]
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[23] (byte*) main::nxt#1 ← ++ (byte*) main::nxt#4 [ main::nxt#1 ]
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to:main::@4
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main::@4: scope:[main] from main::@6 main::@8
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[24] (byte*) main::nxt#10 ← phi( main::@6/(byte*) main::nxt#1 main::@8/(byte*) main::nxt#3 ) [ main::scroll#10 main::nxt#10 ]
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[24] (byte) main::scroll#10 ← phi( main::@6/(byte) 7 main::@8/(byte) main::scroll#1 ) [ main::scroll#10 main::nxt#10 ]
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[25] *((const byte*) SCROLL#0) ← (byte) main::scroll#10 [ main::scroll#10 main::nxt#10 ]
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[26] (byte~) main::$17 ← * (const byte*) BGCOL#0 [ main::scroll#10 main::nxt#10 main::$17 ]
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[27] (byte~) main::$18 ← (byte~) main::$17 - (byte) 1 [ main::scroll#10 main::nxt#10 main::$18 ]
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[28] *((const byte*) BGCOL#0) ← (byte~) main::$18 [ main::scroll#10 main::nxt#10 ]
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[29] if(true) goto main::@2 [ main::scroll#10 main::nxt#10 ]
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to:main::@return
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main::@return: scope:[main] from main::@4
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[30] return [ ]
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to:@return
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fillscreen: scope:[fillscreen] from main
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[31] phi() [ ]
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to:fillscreen::@1
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fillscreen::@1: scope:[fillscreen] from fillscreen fillscreen::@1
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[32] (byte*) fillscreen::cursor#2 ← phi( fillscreen/(const byte*) SCREEN#0 fillscreen::@1/(byte*) fillscreen::cursor#1 ) [ fillscreen::cursor#2 ]
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[33] *((byte*) fillscreen::cursor#2) ← (const byte) fillscreen::fill#0 [ fillscreen::cursor#2 ]
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[34] (byte*) fillscreen::cursor#1 ← ++ (byte*) fillscreen::cursor#2 [ fillscreen::cursor#1 ]
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[35] if((byte*) fillscreen::cursor#1<(const byte*) SCREEN#0+(word) 1000) goto fillscreen::@1 [ fillscreen::cursor#1 ]
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to:fillscreen::@return
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fillscreen::@return: scope:[fillscreen] from fillscreen::@1
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[36] return [ ]
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to:@return
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5205
src/main/java/dk/camelot64/kickc/test/ref/scroll.log
Normal file
5205
src/main/java/dk/camelot64/kickc/test/ref/scroll.log
Normal file
File diff suppressed because it is too large
Load Diff
70
src/main/java/dk/camelot64/kickc/test/ref/scroll.sym
Normal file
70
src/main/java/dk/camelot64/kickc/test/ref/scroll.sym
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@ -0,0 +1,70 @@
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(label) @begin
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(label) @end
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(byte*) BGCOL
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(const byte*) BGCOL#0 BGCOL = (word) 53280
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(byte*) RASTER
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(const byte*) RASTER#0 RASTER = (word) 53266
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(byte*) SCREEN
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(const byte*) SCREEN#0 SCREEN = (word) 1024
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(byte*) SCROLL
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(const byte*) SCROLL#0 SCROLL = (word) 53270
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(byte[]) STOP
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(const byte[]) STOP#0 STOP = { (byte) 0 }
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(byte*) TEXT
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(const byte*) TEXT#0 TEXT = (string) "this is rex of camelot testing a scroller created in kickc. kickc is an optimizing c-compiler for 6502 assembler. "
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(void()) fillscreen((byte*) fillscreen::screen , (byte) fillscreen::fill)
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(label) fillscreen::@1
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(label) fillscreen::@return
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(byte*) fillscreen::cursor
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(byte*) fillscreen::cursor#1 cursor zp ZP_PTR_BYTE:2 16.5
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(byte*) fillscreen::cursor#2 cursor zp ZP_PTR_BYTE:2 16.5
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(byte) fillscreen::fill
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(const byte) fillscreen::fill#0 fill = (byte) 32
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(byte*) fillscreen::screen
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(void()) main()
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(byte~) main::$11 reg byte a 202.0
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(byte~) main::$17 reg byte a 22.0
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(byte~) main::$18 reg byte a 22.0
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(byte~) main::$2 reg byte a 202.0
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(byte~) main::$4 reg byte a 202.0
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(byte~) main::$6 reg byte a 22.0
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(byte~) main::$7 reg byte a 22.0
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(label) main::@10
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(label) main::@11
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(label) main::@2
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(label) main::@3
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(label) main::@4
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(label) main::@5
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(label) main::@6
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(label) main::@8
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(label) main::@return
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(byte) main::c
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(byte) main::c#0 reg byte a 16.5
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(byte) main::c#1 reg byte a 22.0
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(byte) main::c#2 reg byte a 33.0
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(byte) main::i
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(byte) main::i#1 reg byte x 151.5
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(byte) main::i#2 reg byte x 134.66666666666666
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(byte[]) main::line
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(const byte[]) main::line#0 line = (const byte*) SCREEN#0+(byte) 40
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(byte*) main::nxt
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(byte*) main::nxt#1 nxt zp ZP_PTR_BYTE:2 22.0
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(byte*) main::nxt#10 nxt zp ZP_PTR_BYTE:2 5.5
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(byte*) main::nxt#3 nxt zp ZP_PTR_BYTE:2 2.588235294117647
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(byte*) main::nxt#4 nxt zp ZP_PTR_BYTE:2 11.0
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(byte) main::scroll
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(byte) main::scroll#1 reg byte x 16.5
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(byte) main::scroll#10 reg byte x 5.5
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(byte) main::scroll#3 reg byte x 2.75
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reg byte x [ main::scroll#3 main::scroll#10 main::scroll#1 ]
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reg byte x [ main::i#2 main::i#1 ]
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reg byte a [ main::c#2 main::c#0 main::c#1 ]
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zp ZP_PTR_BYTE:2 [ main::nxt#4 main::nxt#3 main::nxt#10 main::nxt#1 fillscreen::cursor#2 fillscreen::cursor#1 ]
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reg byte a [ main::$2 ]
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reg byte a [ main::$4 ]
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reg byte a [ main::$6 ]
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reg byte a [ main::$7 ]
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reg byte a [ main::$11 ]
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reg byte a [ main::$17 ]
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reg byte a [ main::$18 ]
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44
src/main/java/dk/camelot64/kickc/test/scroll.kc
Normal file
44
src/main/java/dk/camelot64/kickc/test/scroll.kc
Normal file
@ -0,0 +1,44 @@
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byte* SCREEN = $0400;
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byte* RASTER = $d012;
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byte* BGCOL = $d020;
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byte* SCROLL = $d016;
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byte* TEXT = "this is rex of camelot testing a scroller created in kickc. kickc is an optimizing c-compiler for 6502 assembler. ";
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byte[] STOP = { 0 };
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main();
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void main() {
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fillscreen(SCREEN, $20);
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byte scroll = 7;
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byte* nxt = TEXT;
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byte[] line = SCREEN+40;
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do {
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// Wait for raster
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do {} while(*RASTER!=$fe)
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do {} while(*RASTER!=$ff)
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*BGCOL = *BGCOL+1;
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// Soft scroll
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if(--scroll==$ff) {
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scroll = 7;
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// Hard scroll
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for(byte i=0;i!=39;i++) {
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line[i]=line[i+1];
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}
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// Render next char
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byte c = *nxt;
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if(c==0) {
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nxt = TEXT;
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c = *nxt;
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}
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line[39] = c;
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nxt++;
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}
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*SCROLL = scroll;
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*BGCOL = *BGCOL-1;
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} while(true)
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}
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void fillscreen(byte* screen, byte fill) {
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for( byte* cursor = screen; cursor < screen+1000; cursor++) {
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*cursor = fill;
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}
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}
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