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mirror of https://gitlab.com/camelot/kickc.git synced 2024-10-01 16:57:43 +00:00

Added test with both break & continue. Added SID-files to assembly.

This commit is contained in:
jespergravgaard 2019-03-31 23:32:25 +02:00
parent 7687163a4a
commit fe9a9005ed
7 changed files with 620 additions and 0 deletions

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@ -31,6 +31,7 @@
<includes>
<include>*/*.kc</include>
<include>*/*.png</include>
<include>*/*.sid</include>
</includes>
</fileSet>
<fileSet>

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@ -32,6 +32,11 @@ public class TestPrograms {
public TestPrograms() {
}
@Test
public void testLoopBreakContinue() throws IOException, URISyntaxException {
compileAndCompare("loop-break-continue");
}
@Test
public void testLoopWhileContinue() throws IOException, URISyntaxException {
compileAndCompare("loop-while-continue");

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@ -0,0 +1,11 @@
// Illustrates both break & continue statements in a loop
// Prints a message ending at '@' skipping all spaces
void main() {
byte* screen = $400;
byte[] str = "hello brave new world@";
for( byte i: 0..255) {
if(str[i]=='@') break;
if(str[i]==' ') continue;
*screen++ = str[i];
}
}

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@ -0,0 +1,38 @@
// Illustrates both break & continue statements in a loop
// Prints a message ending at '@' skipping all spaces
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
main: {
.label screen = 2
lda #<$400
sta screen
lda #>$400
sta screen+1
ldx #0
b1:
lda str,x
cmp #'@'
bne b2
breturn:
rts
b2:
lda str,x
cmp #' '
bne b3
b4:
inx
cpx #0
bne b1
jmp breturn
b3:
lda str,x
ldy #0
sta (screen),y
inc screen
bne !+
inc screen+1
!:
jmp b4
str: .text "hello brave new world@"
}

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@ -0,0 +1,32 @@
@begin: scope:[] from
[0] phi()
to:@1
@1: scope:[] from @begin
[1] phi()
[2] call main
to:@end
@end: scope:[] from @1
[3] phi()
main: scope:[main] from @1
[4] phi()
to:main::@1
main::@1: scope:[main] from main main::@4
[5] (byte*) main::screen#2 ← phi( main/((byte*))(word/signed word/dword/signed dword) $400 main::@4/(byte*) main::screen#5 )
[5] (byte) main::i#2 ← phi( main/(byte/signed byte/word/signed word/dword/signed dword) 0 main::@4/(byte) main::i#1 )
[6] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) '@') goto main::@2
to:main::@return
main::@return: scope:[main] from main::@1 main::@4
[7] return
to:@return
main::@2: scope:[main] from main::@1
[8] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) ' ') goto main::@3
to:main::@4
main::@4: scope:[main] from main::@2 main::@3
[9] (byte*) main::screen#5 ← phi( main::@2/(byte*) main::screen#2 main::@3/(byte*) main::screen#1 )
[10] (byte) main::i#1 ← ++ (byte) main::i#2
[11] if((byte) main::i#1!=(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@1
to:main::@return
main::@3: scope:[main] from main::@2
[12] *((byte*) main::screen#2) ← *((const byte[]) main::str#0 + (byte) main::i#2)
[13] (byte*) main::screen#1 ← ++ (byte*) main::screen#2
to:main::@4

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@ -0,0 +1,512 @@
CONTROL FLOW GRAPH SSA
@begin: scope:[] from
to:@1
main: scope:[main] from @1
(byte*) main::screen#0 ← ((byte*)) (word/signed word/dword/signed dword) $400
(byte[]) main::str#0 ← (const string) main::$5
(byte) main::i#0 ← (byte/signed byte/word/signed word/dword/signed dword) 0
to:main::@1
main::@1: scope:[main] from main main::@5
(byte*) main::screen#4 ← phi( main/(byte*) main::screen#0 main::@5/(byte*) main::screen#5 )
(byte) main::i#2 ← phi( main/(byte) main::i#0 main::@5/(byte) main::i#1 )
(bool~) main::$0 ← *((byte[]) main::str#0 + (byte) main::i#2) == (byte) '@'
(bool~) main::$1 ← ! (bool~) main::$0
if((bool~) main::$1) goto main::@2
to:main::@return
main::@2: scope:[main] from main::@1
(byte*) main::screen#3 ← phi( main::@1/(byte*) main::screen#4 )
(byte) main::i#3 ← phi( main::@1/(byte) main::i#2 )
(bool~) main::$2 ← *((byte[]) main::str#0 + (byte) main::i#3) == (byte) ' '
(bool~) main::$3 ← ! (bool~) main::$2
if((bool~) main::$3) goto main::@4
to:main::@5
main::@4: scope:[main] from main::@2
(byte*) main::screen#2 ← phi( main::@2/(byte*) main::screen#3 )
(byte) main::i#4 ← phi( main::@2/(byte) main::i#3 )
*((byte*) main::screen#2) ← *((byte[]) main::str#0 + (byte) main::i#4)
(byte*) main::screen#1 ← ++ (byte*) main::screen#2
to:main::@5
main::@5: scope:[main] from main::@2 main::@4
(byte*) main::screen#5 ← phi( main::@2/(byte*) main::screen#3 main::@4/(byte*) main::screen#1 )
(byte) main::i#5 ← phi( main::@2/(byte) main::i#3 main::@4/(byte) main::i#4 )
(byte) main::i#1 ← (byte) main::i#5 + rangenext(0,$ff)
(bool~) main::$4 ← (byte) main::i#1 != rangelast(0,$ff)
if((bool~) main::$4) goto main::@1
to:main::@return
main::@return: scope:[main] from main::@1 main::@5
return
to:@return
@1: scope:[] from @begin
call main
to:@2
@2: scope:[] from @1
to:@end
@end: scope:[] from @2
SYMBOL TABLE SSA
(label) @1
(label) @2
(label) @begin
(label) @end
(void()) main()
(bool~) main::$0
(bool~) main::$1
(bool~) main::$2
(bool~) main::$3
(bool~) main::$4
(const string) main::$5 = (string) "hello brave new world@"
(label) main::@1
(label) main::@2
(label) main::@4
(label) main::@5
(label) main::@return
(byte) main::i
(byte) main::i#0
(byte) main::i#1
(byte) main::i#2
(byte) main::i#3
(byte) main::i#4
(byte) main::i#5
(byte*) main::screen
(byte*) main::screen#0
(byte*) main::screen#1
(byte*) main::screen#2
(byte*) main::screen#3
(byte*) main::screen#4
(byte*) main::screen#5
(byte[]) main::str
(byte[]) main::str#0
Culled Empty Block (label) @2
Successful SSA optimization Pass2CullEmptyBlocks
Inversing boolean not [5] (bool~) main::$1 ← *((byte[]) main::str#0 + (byte) main::i#2) != (byte) '@' from [4] (bool~) main::$0 ← *((byte[]) main::str#0 + (byte) main::i#2) == (byte) '@'
Inversing boolean not [9] (bool~) main::$3 ← *((byte[]) main::str#0 + (byte) main::i#3) != (byte) ' ' from [8] (bool~) main::$2 ← *((byte[]) main::str#0 + (byte) main::i#3) == (byte) ' '
Successful SSA optimization Pass2UnaryNotSimplification
Alias (byte) main::i#2 = (byte) main::i#3 (byte) main::i#4
Alias (byte*) main::screen#2 = (byte*) main::screen#3 (byte*) main::screen#4
Successful SSA optimization Pass2AliasElimination
Alias (byte) main::i#2 = (byte) main::i#5
Successful SSA optimization Pass2AliasElimination
Simple Condition (bool~) main::$1 [6] if(*((byte[]) main::str#0 + (byte) main::i#2)!=(byte) '@') goto main::@2
Simple Condition (bool~) main::$3 [10] if(*((byte[]) main::str#0 + (byte) main::i#2)!=(byte) ' ') goto main::@4
Simple Condition (bool~) main::$4 [17] if((byte) main::i#1!=rangelast(0,$ff)) goto main::@1
Successful SSA optimization Pass2ConditionalJumpSimplification
Constant (const byte*) main::screen#0 = ((byte*))$400
Constant (const byte[]) main::str#0 = main::$5
Constant (const byte) main::i#0 = 0
Successful SSA optimization Pass2ConstantIdentification
Resolved ranged next value main::i#1 ← ++ main::i#2 to ++
Resolved ranged comparison value if(main::i#1!=rangelast(0,$ff)) goto main::@1 to (byte/signed byte/word/signed word/dword/signed dword) 0
Inlining constant with var siblings (const byte*) main::screen#0
Inlining constant with var siblings (const byte) main::i#0
Constant inlined main::$5 = (const byte[]) main::str#0
Constant inlined main::screen#0 = ((byte*))(word/signed word/dword/signed dword) $400
Constant inlined main::i#0 = (byte/signed byte/word/signed word/dword/signed dword) 0
Successful SSA optimization Pass2ConstantInlining
Added new block during phi lifting main::@11(between main::@5 and main::@1)
Added new block during phi lifting main::@12(between main::@2 and main::@5)
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @end
Adding NOP phi() at start of main
CALL GRAPH
Calls in [] to main:2
Created 3 initial phi equivalence classes
Coalesced [9] main::screen#7 ← main::screen#2
Coalesced [13] main::i#6 ← main::i#1
Coalesced (already) [14] main::screen#6 ← main::screen#5
Coalesced [17] main::screen#8 ← main::screen#1
Coalesced down to 2 phi equivalence classes
Culled Empty Block (label) main::@12
Culled Empty Block (label) main::@11
Renumbering block main::@4 to main::@3
Renumbering block main::@5 to main::@4
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @end
Adding NOP phi() at start of main
FINAL CONTROL FLOW GRAPH
@begin: scope:[] from
[0] phi()
to:@1
@1: scope:[] from @begin
[1] phi()
[2] call main
to:@end
@end: scope:[] from @1
[3] phi()
main: scope:[main] from @1
[4] phi()
to:main::@1
main::@1: scope:[main] from main main::@4
[5] (byte*) main::screen#2 ← phi( main/((byte*))(word/signed word/dword/signed dword) $400 main::@4/(byte*) main::screen#5 )
[5] (byte) main::i#2 ← phi( main/(byte/signed byte/word/signed word/dword/signed dword) 0 main::@4/(byte) main::i#1 )
[6] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) '@') goto main::@2
to:main::@return
main::@return: scope:[main] from main::@1 main::@4
[7] return
to:@return
main::@2: scope:[main] from main::@1
[8] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) ' ') goto main::@3
to:main::@4
main::@4: scope:[main] from main::@2 main::@3
[9] (byte*) main::screen#5 ← phi( main::@2/(byte*) main::screen#2 main::@3/(byte*) main::screen#1 )
[10] (byte) main::i#1 ← ++ (byte) main::i#2
[11] if((byte) main::i#1!=(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@1
to:main::@return
main::@3: scope:[main] from main::@2
[12] *((byte*) main::screen#2) ← *((const byte[]) main::str#0 + (byte) main::i#2)
[13] (byte*) main::screen#1 ← ++ (byte*) main::screen#2
to:main::@4
VARIABLE REGISTER WEIGHTS
(void()) main()
(byte) main::i
(byte) main::i#1 16.5
(byte) main::i#2 9.166666666666666
(byte*) main::screen
(byte*) main::screen#1 22.0
(byte*) main::screen#2 11.0
(byte*) main::screen#5 11.0
(byte[]) main::str
Initial phi equivalence classes
[ main::i#2 main::i#1 ]
[ main::screen#2 main::screen#5 main::screen#1 ]
Complete equivalence classes
[ main::i#2 main::i#1 ]
[ main::screen#2 main::screen#5 main::screen#1 ]
Allocated zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
Allocated zp ZP_WORD:3 [ main::screen#2 main::screen#5 main::screen#1 ]
INITIAL ASM
//SEG0 File Comments
// Illustrates both break & continue statements in a loop
// Prints a message ending at '@' skipping all spaces
//SEG1 Basic Upstart
.pc = $801 "Basic"
:BasicUpstart(bbegin)
.pc = $80d "Program"
//SEG2 Global Constants & labels
//SEG3 @begin
bbegin:
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
b1_from_bbegin:
jmp b1
//SEG5 @1
b1:
//SEG6 [2] call main
//SEG7 [4] phi from @1 to main [phi:@1->main]
main_from_b1:
jsr main
//SEG8 [3] phi from @1 to @end [phi:@1->@end]
bend_from_b1:
jmp bend
//SEG9 @end
bend:
//SEG10 main
main: {
.label screen = 3
.label i = 2
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
b1_from_main:
//SEG12 [5] phi (byte*) main::screen#2 = ((byte*))(word/signed word/dword/signed dword) $400 [phi:main->main::@1#0] -- pbuz1=pbuc1
lda #<$400
sta screen
lda #>$400
sta screen+1
//SEG13 [5] phi (byte) main::i#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:main->main::@1#1] -- vbuz1=vbuc1
lda #0
sta i
jmp b1
//SEG14 [5] phi from main::@4 to main::@1 [phi:main::@4->main::@1]
b1_from_b4:
//SEG15 [5] phi (byte*) main::screen#2 = (byte*) main::screen#5 [phi:main::@4->main::@1#0] -- register_copy
//SEG16 [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@4->main::@1#1] -- register_copy
jmp b1
//SEG17 main::@1
b1:
//SEG18 [6] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) '@') goto main::@2 -- pbuc1_derefidx_vbuz1_neq_vbuc2_then_la1
lda #'@'
ldy i
cmp str,y
bne b2
jmp breturn
//SEG19 main::@return
breturn:
//SEG20 [7] return
rts
//SEG21 main::@2
b2:
//SEG22 [8] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) ' ') goto main::@3 -- pbuc1_derefidx_vbuz1_neq_vbuc2_then_la1
lda #' '
ldy i
cmp str,y
bne b3
//SEG23 [9] phi from main::@2 main::@3 to main::@4 [phi:main::@2/main::@3->main::@4]
b4_from_b2:
b4_from_b3:
//SEG24 [9] phi (byte*) main::screen#5 = (byte*) main::screen#2 [phi:main::@2/main::@3->main::@4#0] -- register_copy
jmp b4
//SEG25 main::@4
b4:
//SEG26 [10] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuz1=_inc_vbuz1
inc i
//SEG27 [11] if((byte) main::i#1!=(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@1 -- vbuz1_neq_0_then_la1
lda i
cmp #0
bne b1_from_b4
jmp breturn
//SEG28 main::@3
b3:
//SEG29 [12] *((byte*) main::screen#2) ← *((const byte[]) main::str#0 + (byte) main::i#2) -- _deref_pbuz1=pbuc1_derefidx_vbuz2
ldy i
lda str,y
ldy #0
sta (screen),y
//SEG30 [13] (byte*) main::screen#1 ← ++ (byte*) main::screen#2 -- pbuz1=_inc_pbuz1
inc screen
bne !+
inc screen+1
!:
jmp b4_from_b3
str: .text "hello brave new world@"
}
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [6] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) '@') goto main::@2 [ main::i#2 main::screen#2 ] ( main:2 [ main::i#2 main::screen#2 ] ) always clobbers reg byte a
Removing always clobbered register reg byte a as potential for zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
Statement [8] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) ' ') goto main::@3 [ main::i#2 main::screen#2 ] ( main:2 [ main::i#2 main::screen#2 ] ) always clobbers reg byte a
Statement [12] *((byte*) main::screen#2) ← *((const byte[]) main::str#0 + (byte) main::i#2) [ main::i#2 main::screen#2 ] ( main:2 [ main::i#2 main::screen#2 ] ) always clobbers reg byte a reg byte y
Removing always clobbered register reg byte y as potential for zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
Statement [6] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) '@') goto main::@2 [ main::i#2 main::screen#2 ] ( main:2 [ main::i#2 main::screen#2 ] ) always clobbers reg byte a
Statement [8] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) ' ') goto main::@3 [ main::i#2 main::screen#2 ] ( main:2 [ main::i#2 main::screen#2 ] ) always clobbers reg byte a
Statement [12] *((byte*) main::screen#2) ← *((const byte[]) main::str#0 + (byte) main::i#2) [ main::i#2 main::screen#2 ] ( main:2 [ main::i#2 main::screen#2 ] ) always clobbers reg byte a reg byte y
Potential registers zp ZP_BYTE:2 [ main::i#2 main::i#1 ] : zp ZP_BYTE:2 , reg byte x ,
Potential registers zp ZP_WORD:3 [ main::screen#2 main::screen#5 main::screen#1 ] : zp ZP_WORD:3 ,
REGISTER UPLIFT SCOPES
Uplift Scope [main] 44: zp ZP_WORD:3 [ main::screen#2 main::screen#5 main::screen#1 ] 25.67: zp ZP_BYTE:2 [ main::i#2 main::i#1 ]
Uplift Scope []
Uplifting [main] best 813 combination zp ZP_WORD:3 [ main::screen#2 main::screen#5 main::screen#1 ] reg byte x [ main::i#2 main::i#1 ]
Uplifting [] best 813 combination
Allocated (was zp ZP_WORD:3) zp ZP_WORD:2 [ main::screen#2 main::screen#5 main::screen#1 ]
ASSEMBLER BEFORE OPTIMIZATION
//SEG0 File Comments
// Illustrates both break & continue statements in a loop
// Prints a message ending at '@' skipping all spaces
//SEG1 Basic Upstart
.pc = $801 "Basic"
:BasicUpstart(bbegin)
.pc = $80d "Program"
//SEG2 Global Constants & labels
//SEG3 @begin
bbegin:
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
b1_from_bbegin:
jmp b1
//SEG5 @1
b1:
//SEG6 [2] call main
//SEG7 [4] phi from @1 to main [phi:@1->main]
main_from_b1:
jsr main
//SEG8 [3] phi from @1 to @end [phi:@1->@end]
bend_from_b1:
jmp bend
//SEG9 @end
bend:
//SEG10 main
main: {
.label screen = 2
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
b1_from_main:
//SEG12 [5] phi (byte*) main::screen#2 = ((byte*))(word/signed word/dword/signed dword) $400 [phi:main->main::@1#0] -- pbuz1=pbuc1
lda #<$400
sta screen
lda #>$400
sta screen+1
//SEG13 [5] phi (byte) main::i#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:main->main::@1#1] -- vbuxx=vbuc1
ldx #0
jmp b1
//SEG14 [5] phi from main::@4 to main::@1 [phi:main::@4->main::@1]
b1_from_b4:
//SEG15 [5] phi (byte*) main::screen#2 = (byte*) main::screen#5 [phi:main::@4->main::@1#0] -- register_copy
//SEG16 [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@4->main::@1#1] -- register_copy
jmp b1
//SEG17 main::@1
b1:
//SEG18 [6] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) '@') goto main::@2 -- pbuc1_derefidx_vbuxx_neq_vbuc2_then_la1
lda str,x
cmp #'@'
bne b2
jmp breturn
//SEG19 main::@return
breturn:
//SEG20 [7] return
rts
//SEG21 main::@2
b2:
//SEG22 [8] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) ' ') goto main::@3 -- pbuc1_derefidx_vbuxx_neq_vbuc2_then_la1
lda str,x
cmp #' '
bne b3
//SEG23 [9] phi from main::@2 main::@3 to main::@4 [phi:main::@2/main::@3->main::@4]
b4_from_b2:
b4_from_b3:
//SEG24 [9] phi (byte*) main::screen#5 = (byte*) main::screen#2 [phi:main::@2/main::@3->main::@4#0] -- register_copy
jmp b4
//SEG25 main::@4
b4:
//SEG26 [10] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
inx
//SEG27 [11] if((byte) main::i#1!=(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@1 -- vbuxx_neq_0_then_la1
cpx #0
bne b1_from_b4
jmp breturn
//SEG28 main::@3
b3:
//SEG29 [12] *((byte*) main::screen#2) ← *((const byte[]) main::str#0 + (byte) main::i#2) -- _deref_pbuz1=pbuc1_derefidx_vbuxx
lda str,x
ldy #0
sta (screen),y
//SEG30 [13] (byte*) main::screen#1 ← ++ (byte*) main::screen#2 -- pbuz1=_inc_pbuz1
inc screen
bne !+
inc screen+1
!:
jmp b4_from_b3
str: .text "hello brave new world@"
}
ASSEMBLER OPTIMIZATIONS
Removing instruction jmp b1
Removing instruction jmp bend
Removing instruction jmp b1
Removing instruction jmp breturn
Removing instruction jmp b4
Succesful ASM optimization Pass5NextJumpElimination
Replacing label b1_from_b4 with b1
Replacing label b4_from_b3 with b4
Removing instruction b1_from_bbegin:
Removing instruction b1:
Removing instruction main_from_b1:
Removing instruction bend_from_b1:
Removing instruction b1_from_b4:
Removing instruction b4_from_b2:
Removing instruction b4_from_b3:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction bend:
Removing instruction b1_from_main:
Succesful ASM optimization Pass5UnusedLabelElimination
Updating BasicUpstart to call main directly
Removing instruction jsr main
Succesful ASM optimization Pass5SkipBegin
Removing instruction jmp b1
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction bbegin:
Succesful ASM optimization Pass5UnusedLabelElimination
FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(void()) main()
(label) main::@1
(label) main::@2
(label) main::@3
(label) main::@4
(label) main::@return
(byte) main::i
(byte) main::i#1 reg byte x 16.5
(byte) main::i#2 reg byte x 9.166666666666666
(byte*) main::screen
(byte*) main::screen#1 screen zp ZP_WORD:2 22.0
(byte*) main::screen#2 screen zp ZP_WORD:2 11.0
(byte*) main::screen#5 screen zp ZP_WORD:2 11.0
(byte[]) main::str
(const byte[]) main::str#0 str = (string) "hello brave new world@"
reg byte x [ main::i#2 main::i#1 ]
zp ZP_WORD:2 [ main::screen#2 main::screen#5 main::screen#1 ]
FINAL ASSEMBLER
Score: 681
//SEG0 File Comments
// Illustrates both break & continue statements in a loop
// Prints a message ending at '@' skipping all spaces
//SEG1 Basic Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
//SEG2 Global Constants & labels
//SEG3 @begin
//SEG4 [1] phi from @begin to @1 [phi:@begin->@1]
//SEG5 @1
//SEG6 [2] call main
//SEG7 [4] phi from @1 to main [phi:@1->main]
//SEG8 [3] phi from @1 to @end [phi:@1->@end]
//SEG9 @end
//SEG10 main
main: {
.label screen = 2
//SEG11 [5] phi from main to main::@1 [phi:main->main::@1]
//SEG12 [5] phi (byte*) main::screen#2 = ((byte*))(word/signed word/dword/signed dword) $400 [phi:main->main::@1#0] -- pbuz1=pbuc1
lda #<$400
sta screen
lda #>$400
sta screen+1
//SEG13 [5] phi (byte) main::i#2 = (byte/signed byte/word/signed word/dword/signed dword) 0 [phi:main->main::@1#1] -- vbuxx=vbuc1
ldx #0
//SEG14 [5] phi from main::@4 to main::@1 [phi:main::@4->main::@1]
//SEG15 [5] phi (byte*) main::screen#2 = (byte*) main::screen#5 [phi:main::@4->main::@1#0] -- register_copy
//SEG16 [5] phi (byte) main::i#2 = (byte) main::i#1 [phi:main::@4->main::@1#1] -- register_copy
//SEG17 main::@1
b1:
//SEG18 [6] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) '@') goto main::@2 -- pbuc1_derefidx_vbuxx_neq_vbuc2_then_la1
lda str,x
cmp #'@'
bne b2
//SEG19 main::@return
breturn:
//SEG20 [7] return
rts
//SEG21 main::@2
b2:
//SEG22 [8] if(*((const byte[]) main::str#0 + (byte) main::i#2)!=(byte) ' ') goto main::@3 -- pbuc1_derefidx_vbuxx_neq_vbuc2_then_la1
lda str,x
cmp #' '
bne b3
//SEG23 [9] phi from main::@2 main::@3 to main::@4 [phi:main::@2/main::@3->main::@4]
//SEG24 [9] phi (byte*) main::screen#5 = (byte*) main::screen#2 [phi:main::@2/main::@3->main::@4#0] -- register_copy
//SEG25 main::@4
b4:
//SEG26 [10] (byte) main::i#1 ← ++ (byte) main::i#2 -- vbuxx=_inc_vbuxx
inx
//SEG27 [11] if((byte) main::i#1!=(byte/signed byte/word/signed word/dword/signed dword) 0) goto main::@1 -- vbuxx_neq_0_then_la1
cpx #0
bne b1
jmp breturn
//SEG28 main::@3
b3:
//SEG29 [12] *((byte*) main::screen#2) ← *((const byte[]) main::str#0 + (byte) main::i#2) -- _deref_pbuz1=pbuc1_derefidx_vbuxx
lda str,x
ldy #0
sta (screen),y
//SEG30 [13] (byte*) main::screen#1 ← ++ (byte*) main::screen#2 -- pbuz1=_inc_pbuz1
inc screen
bne !+
inc screen+1
!:
jmp b4
str: .text "hello brave new world@"
}

View File

@ -0,0 +1,21 @@
(label) @1
(label) @begin
(label) @end
(void()) main()
(label) main::@1
(label) main::@2
(label) main::@3
(label) main::@4
(label) main::@return
(byte) main::i
(byte) main::i#1 reg byte x 16.5
(byte) main::i#2 reg byte x 9.166666666666666
(byte*) main::screen
(byte*) main::screen#1 screen zp ZP_WORD:2 22.0
(byte*) main::screen#2 screen zp ZP_WORD:2 11.0
(byte*) main::screen#5 screen zp ZP_WORD:2 11.0
(byte[]) main::str
(const byte[]) main::str#0 str = (string) "hello brave new world@"
reg byte x [ main::i#2 main::i#1 ]
zp ZP_WORD:2 [ main::screen#2 main::screen#5 main::screen#1 ]