prog8/compiler/res/prog8lib/test_stack.p8
2021-01-07 01:56:31 +01:00

51 lines
651 B
Lua

; utility debug code to print the X (evalstack) and SP (cpu stack) registers.
%import textio
test_stack {
asmsub test() {
%asm {{
stx _saveX
lda #13
jsr txt.chrout
lda #'-'
ldy #12
- jsr txt.chrout
dey
bne -
lda #13
jsr txt.chrout
lda #'x'
jsr txt.chrout
lda #'='
jsr txt.chrout
lda _saveX
jsr txt.print_ub
lda #' '
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
ldx _saveX
rts
_saveX .byte 0
}}
}
}