ack/mach/6500/libmon/printstack.s
1991-08-30 15:19:38 +00:00

50 lines
949 B
ArmAsm

.define Printstack
.sect .text
.sect .rom
.sect .data
.sect .bss
.sect .text
! 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