mirror of
https://github.com/irmen/prog8.git
synced 2024-11-22 15:33:02 +00:00
41 lines
530 B
Lua
41 lines
530 B
Lua
; utility debug code to print the SP (cpu stack pointer) register.
|
|
|
|
%import textio
|
|
|
|
test_stack {
|
|
%option no_symbol_prefixing, ignore_unused
|
|
|
|
asmsub test() {
|
|
%asm {{
|
|
lda #13
|
|
jsr txt.chrout
|
|
lda #'-'
|
|
ldy #12
|
|
- jsr txt.chrout
|
|
dey
|
|
bne -
|
|
lda #13
|
|
jsr txt.chrout
|
|
lda #'s'
|
|
jsr txt.chrout
|
|
lda #'p'
|
|
jsr txt.chrout
|
|
lda #'='
|
|
jsr txt.chrout
|
|
tsx
|
|
txa
|
|
jsr txt.print_ub
|
|
lda #13
|
|
jsr txt.chrout
|
|
lda #'-'
|
|
ldy #12
|
|
- jsr txt.chrout
|
|
dey
|
|
bne -
|
|
lda #13
|
|
jsr txt.chrout
|
|
rts
|
|
}}
|
|
}
|
|
}
|