uxn

Varvara Ordinator, written in ANSI C(SDL2)
git clone https://git.eamoncaddigan.net/uxn.git
Log | Files | Refs | README | LICENSE

commit a41f1ce3e8fe166b7e8b8b06c20f6071d0398289
parent 57396faa94e5c85f7d28aa06ea4261609f77d097
Author: Devine Lu Linvega <aliceffekt@gmail.com>
Date:   Thu, 15 Feb 2024 20:31:27 -0800

(brainfuck.tal) Modernizing

Diffstat:
Mprojects/examples/exercises/brainfuck.tal | 115+++++++++++++++++++++++++++++++++++++------------------------------------------
Aprojects/examples/exercises/hello.bf | 2++
2 files changed, 56 insertions(+), 61 deletions(-)

diff --git a/projects/examples/exercises/brainfuck.tal b/projects/examples/exercises/brainfuck.tal @@ -1,71 +1,64 @@ -( Brainfuck: - > Move the pointer to the right - < Move the pointer to the left - + Increment the memory cell at the pointer - - Decrement the memory cell at the pointer - . Output the character signified by the cell at the pointer - , Input a character and store it in the cell at the pointer - [ Jump past the matching ] if the cell at the pointer is 0 - ] Jump back to the matching [ if the cell at the pointer is nonzero ) +( usage: cat program.bf | uxncli brainfuck.rom ) -|0100 ( -> ) +|10 @Console &vector $2 &read $1 &pad $4 &type $1 &write $1 &error $1 - ;memory - ;program - &while - LDAk LIT "> NEQ ,&movr JCN [ SWP2 INC2 SWP2 ] &movr - LDAk LIT "< NEQ ,&movl JCN [ SWP2 #0001 SUB2 SWP2 ] &movl - LDAk LIT "+ NEQ ,&incr JCN [ OVR2 STH2k LDA INC STH2r STA ] &incr - LDAk LIT "- NEQ ,&decr JCN [ OVR2 STH2k LDA #01 SUB STH2r STA ] &decr - LDAk LIT ". NEQ ,&emit JCN [ OVR2 LDA #18 DEO ] &emit - LDAk LIT "[ NEQ ,&next JCN [ ,goto-next JSR ] &next - LDAk LIT "] NEQ ,&prev JCN [ ,goto-back JSR ] &prev - INC2 LDAk ,&while JCN - POP2 - ( halt ) - #010f DEO +|0100 -BRK +@on-reset ( -> ) + ;on-console .Console/vector DEO2 + BRK -@goto-next ( -- ) +@on-console ( -> ) + .Console/read DEI DUP #20 GTH ?{ + POP <eval> + #0000 .Console/vector DEO2 + #010f DEO + BRK } + [ LIT2 &ptr =program ] INC2k ,&ptr STR2 + STA + BRK - OVR2 LDA #00 EQU JMP JMP2r - ( depth ) LITr 00 - INC2 - &loop - LDAk LIT "[ NEQ JMP INCr - LDAk LIT "] NEQ ,&no-end JCN - STHkr #00 EQU ,&end JCN - LITr 01 SUBr - &no-end - INC2 LDAk ,&loop JCN - &end - ( depth ) POPr +@<eval> ( -- ) + ;on-console/ptr LDA2 ;program + &while ( -- ) + LDAk [ LIT "+ ] NEQ ?{ + OVR2 STH2k LDA INC STH2r STA } + LDAk [ LIT "- ] NEQ ?{ + OVR2 STH2k LDA #01 SUB STH2r STA } + LDAk [ LIT "> ] NEQ ?{ SWP2 INC2 SWP2 } + LDAk [ LIT "< ] NEQ ?{ + SWP2 #0001 SUB2 SWP2 } + LDAk [ LIT ". ] NEQ ?{ + OVR2 LDA #18 DEO } + LDAk [ LIT "[ ] NEQ ?{ goto-next } + LDAk [ LIT "] ] NEQ ?{ goto-back } + INC2 LDAk ?&while + POP2 JMP2r -JMP2r +@goto-next ( mem* prg* -- ) + OVR2 LDA ?{ JMP2r } + ( depth ) [ LITr 00 ] INC2 + &loop ( -- ) + LDAk [ LIT "[ ] NEQ JMP + INCr LDAk [ LIT "] ] NEQ ?&>no-end + STHkr #00 EQU ?&end + LITr 01 SUBr &>no-end + INC2 LDAk ?&loop + &end ( depth ) + POPr JMP2r -@goto-back ( -- ) +@goto-back ( mem* prg* -- ) + OVR2 LDA ?{ JMP2r } + ( depth ) [ LITr 00 ] #0001 SUB2 + &loop ( -- ) + LDAk [ LIT "] ] NEQ JMP + INCr LDAk [ LIT "[ ] NEQ ?&>no-end + STHkr #00 EQU ?&end + LITr 01 SUBr &>no-end + #0001 SUB2 LDAk ?&loop + &end ( depth ) + POPr JMP2r - OVR2 LDA #00 NEQ JMP JMP2r - ( depth ) LITr 00 - #0001 SUB2 - &loop - LDAk LIT "] NEQ JMP INCr - LDAk LIT "[ NEQ ,&no-end JCN - STHkr #00 EQU ,&end JCN - LITr 01 SUBr - &no-end - #0001 SUB2 LDAk ,&loop JCN - &end - ( depth ) POPr +@program -JMP2r -@program ( Hello World! ) - - "++++++++[>++++[>++>+++>+++>+<<<< - "-]>+>+>->>+[<]<-]>>.>---.+++++++ - "..+++.>>.<-.<.+++.------.------- - "-.>>+.>++. $1 - -@memory diff --git a/projects/examples/exercises/hello.bf b/projects/examples/exercises/hello.bf @@ -0,0 +1,2 @@ +>++++++++[<+++++++++>-]<.>++++[<+++++++>-]<+.+++++++..+++.>>++++++[<+++++++>-]<++.------------.>++++++[<+++++++++>-]<+.<.+++.------.--------.>>>++++[<++++++++>-]<+. +