diff options
| -rw-r--r-- | ddt180.z80 | 19 |
1 files changed, 12 insertions, 7 deletions
@@ -1922,18 +1922,18 @@ bp_tst_@pc: call bpl_init
ld a,(ix+000h)
- and 003h
- jr z,bp_tst_e
+ and 003h ;User bp (temporary or permanent)?
+ jr z,bp_tst_e ;No, check next
ld e,(ix+002h)
ld d,(ix+003h)
ld hl,(reg.pc)
- call cp_hl_de
- ret z
+ call cp_hl_de ;Current PC is on a User bp
+ ret z ;Return zero
bp_tst_e:
call bpl_next
sub a
- inc a
- ret
+ inc a ;Not on a user bp
+ ret ;Return not zero
bp_trace_enter:
call bp_get_freeslot
@@ -1971,7 +1971,6 @@ bp_set_to_mem: inc hl
ld (hl),d
l0a1dh:
-
call bpl_next
ret
@@ -3869,6 +3868,7 @@ l208bh: scf
ret
+;jr, djnz
l2093h:
ld c,(iy+001h)
ld a,c
@@ -3912,6 +3912,8 @@ l20b8h: jr z,l20dch
and a
ret
+
+;ret cc
l20c5h:
ld a,(iy+000h)
ld (l20d7h),a
@@ -3929,6 +3931,7 @@ l20d7h: inc hl
jp (hl)
+;ret
l20dch:
l20edh:
ld hl,(reg_sp) ;break on return address
@@ -3937,10 +3940,12 @@ l20edh: ld d,(hl)
ex de,hl
call bp_trace_enter
+;rst 8
l2115h:
and a
ret
+;rst n
l20f9h:
ld a,(l0003h)
cp (iy+000h)
|