ack/mach/6500/libem/printstack.s

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1984-12-17 11:03:13 +00:00
.define Printstack
1987-01-30 18:41:42 +00:00
.sect .text
.sect .rom
.sect .data
.sect .bss
.sect .text
1984-12-17 11:03:13 +00:00
! This a special subroutine which prints some things to the
! monitorscreen for debugging.
Printstack:
ldy #0
2: lda (hol0+4),y
beq 1f
jsr WRCH ! print filename
iny
jmp 2b
1: lda #32
jsr WRCH ! print a space
lda hol0+1
jsr Printhex ! print line number (highbyte)
lda hol0
jsr Printhex ! print line number (lowbyte)
lda #32
jsr WRCH ! print a space
lda SP+1
jsr Printhex ! print stackpointer (highbyte)
lda SP+2
jsr Printhex ! print stackpointer (lowbyte)
lda #32
jsr WRCH ! print a space
lda LB+1
jsr Printhex ! print real localbase (highbyte)
lda LB
jsr Printhex ! print real localbase (lowbyte)
lda #32
jsr WRCH ! print a space
lda LBl+1
jsr Printhex ! print second lowerbase (highbyte)
lda LBl
jsr Printhex ! print second lowerbase (lowbyte)
lda #10
jsr WRCH ! print a newline
lda #13
jsr WRCH ! print a carriagereturn
rts