(brainfuck.tal) Removed extra labels

This commit is contained in:
Devine Lu Linvega 2021-11-13 11:08:21 -05:00
parent 92b5624e2f
commit 10aec891e7
1 changed files with 11 additions and 15 deletions

View File

@ -12,11 +12,11 @@
|0000
@pointer $2
@ptr $2
|0100 ( -> )
MEMORY .pointer STZ2
MEMORY .ptr STZ2
;program
&while
@ -31,15 +31,15 @@ BRK
@op ( op -- )
( Move the pointer to the right )
LIT '> !~ ,&movr JCN [ .pointer LDZ2k INC2 ROT STZ2 POP RTN ] &movr
LIT '> !~ ,&movr JCN [ .ptr LDZ2k INC2 ROT STZ2 POP RTN ] &movr
( Move the pointer to the left )
LIT '< !~ ,&movl JCN [ .pointer LDZ2k DEC2 ROT STZ2 POP RTN ] &movl
LIT '< !~ ,&movl JCN [ .ptr LDZ2k DEC2 ROT STZ2 POP RTN ] &movl
( Increment the memory cell at the pointer )
LIT '+ !~ ,&incr JCN [ .pointer LDZ2 STH2k LDA INC STH2r STA POP RTN ] &incr
LIT '+ !~ ,&incr JCN [ .ptr LDZ2 STH2k LDA INC STH2r STA POP RTN ] &incr
( Decrement the memory cell at the pointer )
LIT '- !~ ,&decr JCN [ .pointer LDZ2 STH2k LDA DEC STH2r STA POP RTN ] &decr
LIT '- !~ ,&decr JCN [ .ptr LDZ2 STH2k LDA DEC STH2r STA POP RTN ] &decr
( Output the character signified by the cell at the pointer )
LIT '. !~ ,&emit JCN [ .pointer LDZ2 LDA EMIT POP RTN ] &emit
LIT '. !~ ,&emit JCN [ .ptr LDZ2 LDA EMIT POP RTN ] &emit
( Jump past the matching ] if the cell at the pointer is 0 )
LIT '[ !~ ,&next JCN [ POP ,goto-next JSR RTN ] &next
( Jump back to the matching [ if the cell at the pointer is nonzero )
@ -50,14 +50,12 @@ RTN
@goto-next ( -- )
.pointer LDZ2 LDA #00 EQU JMP RTN
.ptr LDZ2 LDA #00 EQU JMP RTN
( depth ) LITr 00
INC2
&loop
LDAk LIT '[ NEQ ,&no-depth JCN
INCr
&no-depth
LDAk LIT '[ NEQ JMP INCr
LDAk LIT '] NEQ ,&no-end JCN
STHkr #00 EQU ,&end JCN
DECr
@ -70,14 +68,12 @@ RTN
@goto-back ( -- )
.pointer LDZ2 LDA #00 NEQ JMP RTN
.ptr LDZ2 LDA #00 NEQ JMP RTN
( depth ) LITr 00
DEC2
&loop
LDAk LIT '] NEQ ,&no-depth JCN
INCr
&no-depth
LDAk LIT '] NEQ JMP INCr
LDAk LIT '[ NEQ ,&no-end JCN
STHkr #00 EQU ,&end JCN
DECr