libgambatte: serial transfer div reset re work

libgambatte/src/memory.cpp

@@ -679,17 +679,24 @@ void Memory::nontrivial_ff_write(unsigned const p, unsigned data, unsigned long
 	case 0x02:
 		updateSerial(cc);
 		serialCnt_ = 8;
-
 		if ((data & 0x81) == 0x81) {
 			intreq_.setEventTime<intevent_serial>(data & isCgb() * 2
-				? (cc & ~0x07ul) + 0x010 * 8
-				: (cc & ~0xFFul) + 0x200 * 8);
+				? cc - (cc - tima_.divLastUpdate()) % 8 + 0x10 * serialCnt_
+				: cc - (cc - tima_.divLastUpdate()) % 0x100 + 0x200 * serialCnt_);
 		} else
 			intreq_.setEventTime<intevent_serial>(disabled_time);
 
 		data |= 0x7E - isCgb() * 2;
 		break;
 	case 0x04:
+		updateSerial(cc);
+		if (intreq_.eventTime(intevent_serial) != disabled_time) {
+			unsigned long const t = intreq_.eventTime(intevent_serial);
+			unsigned long const n = ioamhram_[0x102] & isCgb() * 2
+				? t + (cc - t) % 8 - 2 * ((cc - t) & 4)
+				: t + (cc - t) % 0x100 - 2 * ((cc - t) & 0x80);
+			intreq_.setEventTime<intevent_serial>(std::max(cc, n));
+		}
 		psg_.generateSamples(cc, isDoubleSpeed());
 		psg_.divReset();
 		tima_.divReset(cc, TimaInterruptRequester(intreq_));

test/hwtests/serial/div_write_start_wait_read_if_1_dmg08_cgb04c_outE0.asm

@@ -0,0 +1,108 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 81
+	ldff(02), a
+
+.text@54c
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/div_write_start_wait_read_if_2_dmg08_cgb04c_outE8.asm

@@ -0,0 +1,108 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 81
+	ldff(02), a
+
+.text@54d
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/nopx1_div_write_start_wait_read_if_1_dmg08_cgb04c_outE0.asm

@@ -0,0 +1,109 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	nop
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 81
+	ldff(02), a
+
+.text@54d
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/nopx1_div_write_start_wait_read_if_2_dmg08_cgb04c_outE8.asm

@@ -0,0 +1,109 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	nop
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 81
+	ldff(02), a
+
+.text@54e
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/start83_late_div_write_wait_read_if_1a_cgb04c_outE0.asm

@@ -0,0 +1,111 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 83
+	ldff(02), a
+
+.text@161
+	ldff(04), a
+
+.text@175
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/start83_late_div_write_wait_read_if_1b_cgb04c_outE8.asm

@@ -0,0 +1,111 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 83
+	ldff(02), a
+
+.text@161
+	ldff(04), a
+
+.text@176
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/start83_late_div_write_wait_read_if_2a_cgb04c_outE0.asm

@@ -0,0 +1,111 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 83
+	ldff(02), a
+
+.text@162
+	ldff(04), a
+
+.text@174
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/start83_late_div_write_wait_read_if_2b_cgb04c_outE8.asm

@@ -0,0 +1,111 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 83
+	ldff(02), a
+
+.text@162
+	ldff(04), a
+
+.text@175
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/start_late_div_write_wait_read_if_1a_dmg08_cgb04c_outE0.asm

@@ -0,0 +1,111 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 81
+	ldff(02), a
+
+.text@4ec
+	ldff(04), a
+
+.text@56a
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/start_late_div_write_wait_read_if_1b_dmg08_cgb04c_outE8.asm

@@ -0,0 +1,111 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 81
+	ldff(02), a
+
+.text@4ec
+	ldff(04), a
+
+.text@56b
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/start_late_div_write_wait_read_if_2a_dmg08_cgb04c_outE0.asm

@@ -0,0 +1,111 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 81
+	ldff(02), a
+
+.text@4ed
+	ldff(04), a
+
+.text@52b
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/start_late_div_write_wait_read_if_2b_dmg08_cgb04c_outE8.asm

@@ -0,0 +1,111 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 81
+	ldff(02), a
+
+.text@4ed
+	ldff(04), a
+
+.text@52c
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/start_late_div_write_wait_read_if_3a_dmg08_cgb04c_outE0.asm

@@ -0,0 +1,111 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 81
+	ldff(02), a
+
+.text@52c
+	ldff(04), a
+
+.text@56a
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/start_late_div_write_wait_read_if_3b_dmg08_cgb04c_outE8.asm

@@ -0,0 +1,111 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 81
+	ldff(02), a
+
+.text@52c
+	ldff(04), a
+
+.text@56b
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+

test/hwtests/serial/start_late_div_write_wait_read_if_4_dmg08_cgb04c_outE8.asm

@@ -0,0 +1,109 @@
+.size 8000
+
+.text@100
+	jp lbegin
+
+.data@143
+	80
+
+.text@150
+lbegin:
+	xor a, a
+	ldff(04), a
+	ldff(0f), a
+	ldff(01), a
+	ld a, 81
+	ldff(02), a
+
+.text@52d
+	ldff(04), a
+	ldff a, (0f)
+	jp lprint_a
+
+.text@7000
+lprint_a:
+	push af
+	ld b, 91
+	call lwaitly_b
+	xor a, a
+	ldff(40), a
+	ld bc, 7a00
+	ld hl, 8000
+	ld d, 00
+lprint_copytiles:
+	ld a, (bc)
+	inc bc
+	ld(hl++), a
+	dec d
+	jrnz lprint_copytiles
+	pop af
+	ld b, a
+	swap a
+	and a, 0f
+	ld(9800), a
+	ld a, b
+	and a, 0f
+	ld(9801), a
+	ld a, c0
+	ldff(47), a
+	ld a, 80
+	ldff(68), a
+	ld a, ff
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	ldff(69), a
+	xor a, a
+	ldff(69), a
+	ldff(69), a
+	ldff(43), a
+	ld a, 91
+	ldff(40), a
+lprint_limbo:
+	jr lprint_limbo
+
+.text@7400
+lwaitly_b:
+	ld c, 44
+lwaitly_b_loop:
+	ldff a, (c)
+	cmp a, b
+	jrnz lwaitly_b_loop
+	ret
+
+.data@7a00
+	00 00 7f 7f 41 41 41 41
+	41 41 41 41 41 41 7f 7f
+	00 00 08 08 08 08 08 08
+	08 08 08 08 08 08 08 08
+	00 00 7f 7f 01 01 01 01
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 01 01 01 01
+	3f 3f 01 01 01 01 7f 7f
+	00 00 41 41 41 41 41 41
+	7f 7f 01 01 01 01 01 01
+	00 00 7f 7f 40 40 40 40
+	7e 7e 01 01 01 01 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 41 41 41 41 7f 7f
+	00 00 7f 7f 01 01 02 02
+	04 04 08 08 10 10 10 10
+	00 00 3e 3e 41 41 41 41
+	3e 3e 41 41 41 41 3e 3e
+	00 00 7f 7f 41 41 41 41
+	7f 7f 01 01 01 01 7f 7f
+	00 00 08 08 22 22 41 41
+	7f 7f 41 41 41 41 41 41
+	00 00 7e 7e 41 41 41 41
+	7e 7e 41 41 41 41 7e 7e
+	00 00 3e 3e 41 41 40 40
+	40 40 40 40 41 41 3e 3e
+	00 00 7e 7e 41 41 41 41
+	41 41 41 41 41 41 7e 7e
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 7f 7f
+	00 00 7f 7f 40 40 40 40
+	7f 7f 40 40 40 40 40 40
+