repos/blastem: gen_test_hv.s68 annotate

annotate gen_test_hv.s68 @ 995:2bc27415565b

Fix some stuff with interrupt timing. The change in adjust_int_cycle gets Overdrive working again (vint was not being preferred over hint in some cases). One of the changes seems to have broken Fatal Rewind again, but no other regressions that I can see.

author	Michael Pavone <pavone@retrodev.com>
date	Sat, 30 Apr 2016 08:37:55 -0700
parents	c86f27f5c5a6
children

rev	line source
649 c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 dc.l $0, start
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	2 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	3 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	4 ;$10
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	5 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	6 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	7 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	8 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	9 ;$20
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	10 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	11 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	12 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	13 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	14 ;$30
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	15 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	16 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	17 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	18 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	19 ;$40
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	20 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	21 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	22 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	23 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	24 ;$50
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	25 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	26 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	27 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	28 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	29 ;$60
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	30 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	31 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	32 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	33 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	34 ;$70
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	35 dc.l int_4
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	36 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	37 dc.l int_6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	38 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	39 ;$80
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	40 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	41 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	42 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	43 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	44 ;$90
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	45 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	46 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	47 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	48 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	49 ;$A0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	50 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	51 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	52 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	53 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	54 ;$B0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	55 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	56 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	57 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	58 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	59 ;$C0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	60 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	61 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	62 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	63 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	64 ;$D0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	65 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	66 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	67 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	68 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	69 ;$E0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	70 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	71 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	72 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	73 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	74 ;$F0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	75 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	76 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	77 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	78 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	79 dc.b "SEGA"
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	80 empty_handler:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	81 int_6:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	82 rte
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	83 int_4:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	84 move.w (a2), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	85 ori.w #$8000, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	86 move.w d0, (a4)+
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	87 rte
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	88
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	89 start:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	90 lea $C00000, a0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	91 lea $C00004, a1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	92 move.w #$8104, (a1) ;Mode 5, everything turned off
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	93 move.w #$8004, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	94 move.w #$8220, (a1) ;Scroll a table $8000
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	95 move.w #$8404, (a1) ;Scroll b table $8000
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	96 move.w #$8560, (a1) ;SAT table $C000
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	97 move.w #$8700, (a1) ;backdrop color 0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	98 move.w #$8B00, (a1) ;full screen scroll
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	99 move.w #$8C81, (a1) ;40 cell mode, no interlace
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	100 move.w #$8C81, (mode).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	101 move.w #$8D00, (a1) ;hscroll table at 0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	102 move.w #$8F02, (a1) ;autoinc 2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	103 move.w #$9011, (a1) ;64x64 scroll size
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	104 move.l #$C0000000, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	105 move.w #$000, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	106 move.w #$EEE, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	107
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	108 ;clear scroll table
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	109 move.l #$40000000, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	110 move.l #0, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	111
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	112 ;load tiles
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	113 move.l #$44000000, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	114 lea font(pc), a2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	115 move.w #((fontend-font)/4 - 1), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	116 tloop:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	117 move.l (a2)+, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	118 dbra d0, tloop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	119
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	120
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	121
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	122 ;clear name table
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	123 move.l #$40000002, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	124 moveq #32, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	125 move.w #(64*64-1), d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	126 ploop:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	127 move.w d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	128 dbra d1, ploop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	129
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	130
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	131 lea $FF0000, a4
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	132 move.b #$40, (a4, 6)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	133 move.w #$8144, (a1) ;enable display
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	134 move #$2300, sr
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	135
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	136 lea (4, a1), a2 ;hv counter line address
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	137 lea (2, a1), a3 ;second contro/status address
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	138
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	139 move.b #254, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	140 init_wait:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	141 cmp.b (a2), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	142 beq init_wait
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	143
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	144 top:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	145 move.b #254, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	146 lea $FF0000, a4
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	147 move.w #$8F00, (a1) ;autoinc of 0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	148 move.l #$40040000, (a1) ;unused VRAM address
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	149 wait_active:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	150 cmp.b (a2), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	151 bne.s wait_active
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	152
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	153 move.l #$8A718014, (a1) ;enable Hints
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	154
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	155 ;sync to VDP by attempting to fill FIFO
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	156 ;being in vblank makes this a bit difficult
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	157
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	158 rept 8
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	159 move.l d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	160 endr
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	161
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	162 ;sample data for vblank flag off
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	163 rept 82 ;two lines worth of move.l
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	164 move.l (a3), (a4)+
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	165 endr
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	166
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	167 move.l a4, a5 ;save end of first buffer
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	168
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	169 move.b (a2), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	170 wait_new_line:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	171 cmp.b (a2), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	172 beq.s wait_new_line
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	173
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	174 ;sync to VDP by filling FIFO
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	175 move.l d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	176 move.l d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	177 move.w d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	178
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	179 ;sample data for line change HV value
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	180 rept 45 ;one line worth of move.l
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	181 move.l (a2), (a4)+
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	182 endr
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	183
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	184 move.l a4, usp ;save end of second buffer
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	185
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	186 moveq #$70, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	187 wait_hint_line:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	188 cmp.b (a2), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	189 bne.s wait_hint_line
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	190
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	191 ;sample data for line change HV value
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	192 rept 45 ;one line worth of move.l
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	193 move.l (a2), (a4)+
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	194 endr
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	195
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	196 move.l a4, a6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	197
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	198 move.b #223, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	199 wait_inactive:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	200 cmp.b (a2), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	201 bne.s wait_inactive
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	202
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	203 ;sync to VDP by filling FIFO
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	204 move.l d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	205 move.l d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	206 move.w d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	207
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	208 ;sample data for vblank on
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	209 rept 82 ;two lines worth of move.l
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	210 move.l (a3), (a4)+
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	211 endr
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	212
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	213 move.l #$8AFF8004, (a1) ;disable Hints
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	214
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	215 rsset $FFFF8000
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	216 vblank_start_min rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	217 vblank_start_max rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	218 vblank_end_min rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	219 vblank_end_max rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	220 hblank_start_min rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	221 hblank_start_max rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	222 hblank_end_min rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	223 hblank_end_max rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	224 line_change_min rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	225 line_change_max rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	226 hint_min rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	227 hint_max rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	228 mode rs.w 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	229 printed_hv_dump rs.b 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	230 button_state rs.b 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	231
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	232 lea $FF0001, a4
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	233 .loop:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	234 btst.b #3, (a4)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	235 beq.s found_vblank_off
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	236 move.w 1(a4), d6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	237 addq #4, a4
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	238 bra.s .loop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	239 found_vblank_off:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	240
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	241 move.w (vblank_end_max).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	242 beq .new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	243 cmp.w d0, d6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	244 blo .no_new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	245 .new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	246 move.w d6, (vblank_end_max).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	247 .no_new_max:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	248
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	249
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	250 move.w 1(a4), d6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	251
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	252 move.w (vblank_end_min).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	253 beq .new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	254 cmp.w d0, d6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	255 bhi .no_new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	256 .new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	257 move.w d6, (vblank_end_min).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	258 .no_new_min:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	259
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	260 lea $FF0001, a4
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	261 ;first find a point where HBLANK is not set
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	262 bra.s .start
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	263 .loop:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	264 addq #4, a4
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	265 .start
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	266 btst.b #2, (a4)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	267 bne.s .loop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	268
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	269 ;then find a point after that where it switches to on
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	270 .loop2:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	271 btst.b #2, (a4)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	272 bne.s found_hblank_on
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	273 move.w 1(a4), d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	274 addq #4, a4
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	275 bra.s .loop2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	276 found_hblank_on:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	277
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	278 move.w (hblank_start_max).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	279 beq .new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	280 cmp.w d0, d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	281 blo .no_new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	282 .new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	283 move.w d5, (hblank_start_max).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	284 .no_new_max:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	285
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	286
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	287 move.w 1(a4), d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	288
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	289 move.w (hblank_start_min).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	290 beq .new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	291 cmp.w d0, d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	292 bhi .no_new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	293 .new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	294 move.w d5, (hblank_start_min).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	295 .no_new_min:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	296
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	297 ;finally find a point after that where it switches back off
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	298 .loop2:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	299 btst.b #2, (a4)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	300 beq.s found_hblank_off
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	301 move.w 1(a4), d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	302 addq #4, a4
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	303 bra.s .loop2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	304 found_hblank_off:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	305
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	306 move.w (hblank_end_max).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	307 beq .new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	308 cmp.w d0, d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	309 blo .no_new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	310 .new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	311 move.w d5, (hblank_end_max).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	312 .no_new_max:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	313
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	314
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	315 move.w 1(a4), d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	316
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	317 move.w (hblank_end_min).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	318 beq .new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	319 cmp.w d0, d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	320 bhi .no_new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	321 .new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	322 move.w d5, (hblank_end_min).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	323 .no_new_min:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	324
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	325 move.l a5, a4 ;save line change buffer for later
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	326 move.b (a5), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	327 .loop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	328 move.w (a5), d7
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	329 addq #2, a5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	330 cmp.b (a5), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	331 beq .loop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	332 found_line_change:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	333
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	334 move.w (line_change_max).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	335 beq .new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	336 cmp.w d0, d7
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	337 blo .no_new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	338 .new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	339 move.w d7, (line_change_max).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	340 .no_new_max:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	341
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	342 move.w (a5), d7
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	343
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	344 move.w (line_change_min).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	345 beq .new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	346 cmp.w d0, d7
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	347 bhi .no_new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	348 .new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	349 move.w d7, (line_change_min).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	350 .no_new_min:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	351
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	352 addq #1, a6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	353 .loop:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	354 btst.b #3, (a6)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	355 bne.s found_vblank_on
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	356 move.w 1(a6), d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	357 addq #4, a6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	358 bra.s .loop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	359 found_vblank_on:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	360
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	361 move.w (vblank_start_max).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	362 beq .new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	363 cmp.w d0, d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	364 blo .no_new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	365 .new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	366 move.w d5, (vblank_start_max).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	367 .no_new_max:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	368
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	369 move.w 1(a6), d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	370
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	371 move.w (vblank_start_min).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	372 beq .new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	373 cmp.b d0, d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	374 bhi .no_new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	375 .new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	376 move.w d5, (vblank_start_min).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	377 .no_new_min:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	378
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	379 move usp, a5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	380 .loop:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	381 btst.b #7, (a5)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	382 bne.s found_hint
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	383 move.w (a5), d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	384 addq #2, a5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	385 bra.s .loop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	386 found_hint:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	387
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	388 move.w (hint_max).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	389 beq .new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	390 cmp.w d0, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	391 blo .no_new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	392 .new_max
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	393 move.w d1, (hint_max).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	394 .no_new_max:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	395
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	396 move.w (a5), d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	397 and.w #$7FFF, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	398
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	399 move.w (hint_min).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	400 beq .new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	401 cmp.b d0, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	402 bhi .no_new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	403 .new_min
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	404 move.w d1, (hint_min).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	405 .no_new_min:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	406
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	407 draw_info:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	408 ;draw data
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	409 move.w #$8F02, (a1) ;autoinc of 2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	410 move.l #$40840002, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	411
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	412 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	413 lea VBlankStart(pc), a6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	414 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	415
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	416
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	417 move.w (vblank_start_max), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	418 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	419 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	420
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	421 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	422 move.w d5, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	423 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	424
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	425 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	426 move.w (vblank_start_min), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	427 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	428
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	429 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	430 move.l #$41040002, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	431 lea VBlankEnd(pc), a6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	432 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	433
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	434 ;max value before vblank end
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	435 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	436 move.w (vblank_end_max), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	437 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	438
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	439 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	440 move.w d6, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	441 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	442
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	443 ;min value after vblank end
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	444 move.w (vblank_end_min), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	445 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	446 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	447
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	448 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	449 move.l #$41840002, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	450 lea LineChange(pc), a6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	451 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	452
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	453 move.w (line_change_max), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	454 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	455 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	456
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	457 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	458 move.w d7, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	459 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	460
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	461 move.w (line_change_min), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	462 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	463 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	464
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	465 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	466 move.l #$42040002, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	467 lea HBlankStart(pc), a6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	468 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	469
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	470 move.w (hblank_start_max), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	471 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	472 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	473
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	474 move.w (hblank_start_min), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	475 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	476 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	477
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	478 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	479 move.l #$42840002, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	480 lea HBlankEnd(pc), a6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	481 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	482
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	483 move.w (hblank_end_max), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	484 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	485 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	486
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	487 move.w (hblank_end_min), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	488 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	489 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	490
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	491 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	492 move.l #$43040002, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	493 lea HInterrupt(pc), a6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	494 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	495
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	496 move.w (hint_max), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	497 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	498 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	499
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	500 move.w (hint_min), d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	501 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	502 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	503
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	504 ;read pad
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	505 move.b #$40, $A10003
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	506 move.b $A10003, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	507 move.b #$00, $A10003
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	508 and.b #$3f, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	509 move.b $A10003, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	510 and.b #$30, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	511 lsl.b #2, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	512 or.b d1, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	513 not.b d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	514 move.b (button_state).w, d2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	515 eor.b d0, d2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	516 and.b d0, d2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	517 move.b d2, d3 ;d3 contains newly pressed buttons, SACBRLDU
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	518 move.b d0, (button_state).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	519
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	520 btst.l #7, d3
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	521 beq not_pressed
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	522
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	523 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	524 move.l d0, (vblank_start_min).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	525 move.l d0, (vblank_end_min).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	526 move.l d0, (hblank_start_min).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	527 move.l d0, (hblank_end_min).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	528 move.l d0, (line_change_min).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	529 move.l d0, (hint_min).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	530 move.b d0, (printed_hv_dump).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	531 move.w (mode).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	532 eor.w #$81, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	533 move.w d0, (mode).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	534 move.w d0, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	535 bra top
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	536
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	537 not_pressed
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	538
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	539 move.b (printed_hv_dump).w, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	540 bne top
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	541 move.b #1, (printed_hv_dump).w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	542
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	543 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	544 moveq #89, d4
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	545 moveq #6, d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	546 move.l #$45820002, d6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	547 move.l d6, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	548
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	549 print_loop:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	550 dbra d5, .no_line_change
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	551 ;#$45820002
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	552 add.l #$00800000, d6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	553 move.l d6, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	554 moveq #5, d5
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	555 .no_line_change
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	556 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	557 move.w (a4)+, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	558 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	559 dbra d4, print_loop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	560
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	561 add.l #$01020000, d6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	562 move.l d6, (a1)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	563 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	564 lea Instructions(pc), a6
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	565 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	566
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	567 bra top
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	568
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	569 VBlankStart:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	570 dc.b "VBlank Start: ", 0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	571 VBlankEnd:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	572 dc.b "VBlank End: ", 0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	573 LineChange:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	574 dc.b "Line Change: ", 0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	575 HBlankStart:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	576 dc.b "HBlank Start: ", 0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	577 HBlankEnd:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	578 dc.b "HBlank End: ", 0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	579 HInterrupt:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	580 dc.b "HInterrupt: ", 0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	581 Instructions:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	582 dc.b "Press Start to switch modes", 0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	583
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	584 align 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	585 ;Prints a number in hex format
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	586 ;d0.w - number to print
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	587 ;d1.w - base tile attribute
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	588 ;a0 - VDP data port
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	589 ;
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	590 ;Clobbers: d2.l, d3.l
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	591 ;
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	592 print_hexw:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	593 moveq #3, d3
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	594 .digitloop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	595 rol.w #4, d0
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	596 moveq #$F, d2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	597 and.b d0, d2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	598 cmp.b #$A, d2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	599 bge .hex
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	600 add.w #$30, d2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	601 bra .makeattrib
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	602 .hex
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	603 add.w #($41-$A), d2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	604 .makeattrib
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	605 add.w d1, d2
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	606 move.w d2, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	607 dbra d3, .digitloop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	608 rts
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	609
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	610 ;Prints a null terminated string
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	611 ;a6 - pointer to string
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	612 ;a0 - VDP data port
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	613 ;d0 - base tile attribute
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	614 ;
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	615 ;Clobbers: d1.w
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	616 print_string:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	617 .loop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	618 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	619 move.b (a6)+, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	620 beq .end
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	621 add.w d0, d1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	622 move.w d1, (a0)
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	623 bra .loop
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	624 .end
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	625 rts
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	626
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	627 align 1
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	628 font:
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	629 incbin font.tiles
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	630 fontend
c86f27f5c5a6 Added HV counter test ROM source Michael Pavone <pavone@retrodev.com> parents: diff changeset	631

Mercurial > repos > blastem

annotate gen_test_hv.s68 @ 995:2bc27415565b