mirror of https://git.sr.ht/~rabbits/uxn
5 changed files with 19 additions and 224 deletions
@ -1,16 +0,0 @@
|
||||
( devices ) |
||||
|
||||
|00 @System &vector $2 &wst $1 &rst $1 &eaddr $2 &ecode $1 &pad $1 &r $2 &g $2 &b $2 &debug $1 &halt $1 |
||||
|10 @Console &vector $2 &read $1 &pad $5 &write $1 &error $1 |
||||
|
||||
( program ) |
||||
|
||||
|0100 @Reset ( -> ) |
||||
~projects/library/debugger.tal |
||||
#0123 #4567 #89ab #cdef |
||||
LIT2r 1234 LIT2r 5678 LIT2r 9abc LIT2r def0 |
||||
( BREAKPOINT ) |
||||
( LIT2r 0000 DIVr ) |
||||
&loop INCk ,&loop JMP |
||||
BRK |
||||
|
||||
@ -1,181 +0,0 @@
|
||||
( in-Uxn debugger ) |
||||
|
||||
( To use, include this file just before the BRK in the program reset routine, e.g.: |
||||
|
||||
|0100 ( -> ) |
||||
( theme ) |
||||
#0fe5 .System/r DEO2 |
||||
#0fc5 .System/g DEO2 |
||||
#0f25 .System/b DEO2 |
||||
~projects/library/debugger.tal |
||||
BRK |
||||
|
||||
The debugger will catch stack errors that arise after that point. |
||||
|
||||
) |
||||
|
||||
%BREAKPOINT { LIT2r :debug JSR2r } |
||||
|
||||
@debug-start |
||||
;debug-vector .System/vector DEO2 |
||||
;debug-end JMP2 |
||||
|
||||
@debug ( pc* -- ) |
||||
#0001 SUB2 .System/eaddr DEO2 |
||||
.System/ecode DEIk #07 EOR SWP DEO |
||||
,debug-vector/main JMP |
||||
|
||||
@debug-vector ( -> ) |
||||
STH STH STH STH ( <- only run in case of working stack overflow ) |
||||
&main |
||||
|
||||
( flush the working stack ) |
||||
.System/wst DEI ;debug-wst/ptr STA |
||||
&flush-wst |
||||
.System/wst DEI #00 EQU ,&end-flush-wst JCN |
||||
#00 .System/wst DEI #0002 SUB2 ;debug-wst/dat ADD2 STA |
||||
,&flush-wst JMP |
||||
&end-flush-wst |
||||
|
||||
( in case of working stack overflow, we need to append the four return stack bytes ) |
||||
.System/ecode DEI #02 NEQ ,&skip-wst-append JCN |
||||
#00 ;debug-wst/ptr LDAk ( 00 ptr-hi ptr-lo ptr / ... z y x w ) |
||||
DUP #04 ADD OVR2 STA |
||||
ROT ROT ADD2 ( start* / ... z y x w ) |
||||
INC2 DUP2 #0004 ADD2 SWP2 ( end* start* / ... z y x w ) |
||||
&loop |
||||
DUP2 STHr ROT ROT STA |
||||
INC2 |
||||
GTH2k ,&loop JCN |
||||
POP2 POP2 |
||||
&skip-wst-append |
||||
|
||||
( flush the return stack ) |
||||
.System/rst DEI ;debug-rst/ptr STA |
||||
&flush-rst |
||||
.System/rst DEI #00 EQU ,&end-flush-rst JCN |
||||
STHr #00 .System/rst DEI ;debug-rst/dat ADD2 STA |
||||
,&flush-rst JMP |
||||
&end-flush-rst |
||||
|
||||
( Version 0.1 functionality: print the error and exit ) |
||||
;debug-print-error JSR2 |
||||
#01 .System/halt DEO |
||||
BRK |
||||
|
||||
@debug-print-opcode ( instr -- ) |
||||
DUP ,¬-brk JCN |
||||
POP ;&brk-msg ;debug-print JMP2 ( tail call ) |
||||
&brk-msg "BRK 00 |
||||
¬-brk |
||||
#00 OVR #1f AND #03 MUL ;&opcode-names ADD2 ( instr addr* ) |
||||
LDAk .Console/write DEO INC2 |
||||
LDAk .Console/write DEO INC2 |
||||
LDA .Console/write DEO |
||||
DUP #1f AND ,¬-lit JCN |
||||
#7f AND |
||||
¬-lit |
||||
DUP #20 AND #00 EQU ,¬-2 JCN |
||||
LIT '2 .Console/write DEO |
||||
¬-2 |
||||
DUP #80 AND #00 EQU ,¬-k JCN |
||||
LIT 'k .Console/write DEO |
||||
¬-k |
||||
#40 AND #00 EQU ,¬-r JCN |
||||
LIT 'r .Console/write DEO |
||||
¬-r |
||||
JMP2r |
||||
|
||||
&opcode-names |
||||
"LITINCPOPDUPNIPSWPOVRROT |
||||
"EQUNEQGTHLTHJMPJCNJSRSTH |
||||
"LDZSTZLDRSTRLDASTADEIDEO |
||||
"ADDSUBMULDIVANDORAEORSFT |
||||
|
||||
@debug-print ( addr* -- ) |
||||
LDAk #00 EQU ,&end JCN |
||||
LDAk .Console/write DEO |
||||
INC2 |
||||
,debug-print JMP |
||||
&end POP2 JMP2r |
||||
|
||||
@debug-print-error |
||||
;&halted-msg ,debug-print JSR |
||||
#00 .System/ecode DEI #07 AND #20 SFT2 ;&messages-table ADD2 |
||||
LDA2k ,debug-print JSR |
||||
INC2 INC2 LDA2 ,debug-print JSR |
||||
;&executing-msg ,debug-print JSR |
||||
.System/eaddr DEI2 LDA ;debug-print-opcode JSR2 |
||||
;&at-msg ,debug-print JSR |
||||
.System/eaddr DEI2 ;debug-print-hex-short JSR2 |
||||
#0a .Console/write DEO |
||||
;&wst-msg ,debug-print JSR |
||||
;&contents-msg ,debug-print JSR |
||||
;debug-wst ;debug-print-stack JSR2 |
||||
#0a .Console/write DEO |
||||
;&rst-msg ,debug-print JSR |
||||
;&contents-msg ,debug-print JSR |
||||
;debug-rst ;debug-print-stack JSR2 |
||||
#0a .Console/write DEO |
||||
JMP2r |
||||
|
||||
&messages-table |
||||
:&wst-msg :&underflow-msg |
||||
:&rst-msg :&underflow-msg |
||||
:&wst-msg :&overflow-msg |
||||
:&rst-msg :&overflow-msg |
||||
:&wst-msg :&divzero-msg |
||||
:&rst-msg :&divzero-msg |
||||
:&emulator-msg :&interrupt-msg |
||||
:&userdef-msg :&breakpoint-msg |
||||
|
||||
&halted-msg "Halted: 2000 ( #0002, at 0x0100 ) |
||||
&wst-msg "Working-stack 2000 |
||||
&rst-msg "Return-stack 2000 |
||||
&emulator-msg "Emulator 2000 |
||||
&userdef-msg "User-defined 2000 |
||||
&underflow-msg "underflow 00 |
||||
&overflow-msg "overflow 00 |
||||
&divzero-msg "division 20 "by 20 "zero 00 |
||||
&interrupt-msg "interrupt 00 |
||||
&breakpoint-msg "breakpoint 00 |
||||
&executing-msg 20 "executing 2000 |
||||
&at-msg 20 "at 20 "0x 00 |
||||
&contents-msg "contents: 00 |
||||
|
||||
@debug-print-hex-short ( value* -- ) |
||||
SWP ,debug-print-hex-byte JSR |
||||
( fall through ) |
||||
|
||||
@debug-print-hex-byte ( value -- ) |
||||
DUP #04 SFT ,debug-print-hex-nibble JSR |
||||
#0f AND |
||||
( fall through ) |
||||
|
||||
@debug-print-hex-nibble ( value -- ) |
||||
#30 ADD DUP #39 GTH #27 MUL ADD |
||||
.Console/write DEO |
||||
JMP2r |
||||
|
||||
@debug-print-stack ( addr* -- ) |
||||
LDAk ,¬-empty JCN |
||||
POP2 ;&empty-msg ;debug-print JMP2 ( tail call ) |
||||
¬-empty |
||||
LDAk STH INC2 ( dat* / count ) |
||||
&loop |
||||
STHkr #00 EQU ,&end JCN |
||||
#20 .Console/write DEO |
||||
LDAk ,debug-print-hex-byte JSR |
||||
INC2 |
||||
LITr 01 SUBr |
||||
,&loop JMP |
||||
&end |
||||
POP2 POPr |
||||
JMP2r |
||||
|
||||
&empty-msg 20 "(empty) 00 |
||||
|
||||
@debug-wst &ptr $1 &dat $ff |
||||
@debug-rst &ptr $1 &dat $ff |
||||
@debug-end |
||||
|
||||
Loading…
Reference in new issue