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(hilbert) Terminate properly

This commit is contained in:
Devine Lu Linvega 2024-01-21 09:38:25 -08:00
parent af7a59623b
commit f34bab675a

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@ -15,20 +15,20 @@
( | pen )
#0020
( ) DUP2 .Screen/x DEO2
.Screen/y DEO2
( ) .Screen/y DEO2
( | vector )
;on-frame .Screen/vector DEO2
BRK
@on-frame ( -> )
[ LIT2 &x1 0020 ] [ LIT2 &y1 0020 ]
( ) [ LIT2 &f $2 ] INC2 DUP2 ,&f STR2
[ LIT2 &f $2 ] INC2 DUP2 ,&f STR2
DUP2 #0400 LTH2 ?{
POP2 #0000 .Screen/vector DEO2
BRK }
d2xy
( cache y ) DUP2 ,&y1 STR2
( cache x ) OVR2 ,&x1 STR2
( | draw line )
ROT2 SWP2 diff ,&y STR2
diff ,&x STR2
.Screen/y DEI2 diff ,&y STR2
.Screen/x DEI2 diff ,&x STR2
#0400
&l ( -- )
.Screen/x DEI2k [ LIT2 &x $2 ] ADD2 ROT DEO2
@ -39,7 +39,7 @@
@diff ( a* b* -- dir* )
EQU2k ?{
GTH2 ?{ #0001 JMP2r }
LTH2 ?{ #0001 JMP2r }
#ffff JMP2r }
POP2 POP2 #0000 JMP2r
@ -52,7 +52,7 @@
&l ( -- )
#00 OVR STH2
[ LIT2 &t $2 ]
( ) DUP2 DUP2 #01 SFT2 #0001 AND2 DUP2 ,&rx STR2
( ) DUP2k #01 SFT2 #0001 AND2 DUP2 ,&rx STR2
( ) EOR2 #0001 AND2 ,&ry STR2
( ) #02 SFT2 ,&t STR2
[ LIT2 &x $2 ] [ LIT2 &y $2 ] [ LIT2 &rx $2 ] [ LIT2 &ry $2 ]