RAMFOS/loader1.asm at master · VWarlock/RAMFOS · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
;----------------------------------------------------------------------------
; RAMFOS + Ñïåöèàëèñò MX2
; Çàãðóç÷èê
;
; 2013-11-01 Ðàçðàáîòàíî vinxru
;----------------------------------------------------------------------------

.include "config.inc"

.org loader1Offset
		; Ãëóøèì òàéìåð
		LXI H, 0FFEFh
		MVI M, 03Eh
		MVI M, 07Eh
		MVI M, 0BEh

		; Î÷èùàåì ýêðàí
		mvi	a, 0F0h
		sta	0FFF8h
		lxi	sp, 0BFFFh
		lxi	h, 0
		lxi	d, 600h
clearLoop:	  push h
		  push h
		  push h
		  push h
		  dcr e
		 jnz clearLoop
		 dad h
		 dcr d
		jnz clearLoop

		; Âûâîäèì ëîãîòèï
		mvi	a, 0F0h ; Áåëûé
		lxi     d, logo
		mvi     h, 091h
		mvi	c, 44
		call	logoLine
		mvi	a, 0C0h	; Êðàñíûé
		mvi	c, 2
		call	logoLine

		; Ïîïûòêà çàãðóçèòñÿ ñ SD
.include "sdloader.inc"

		; Êîïèðóåì RAMFOS
		lxi     b, 0C000h
		lxi     d, ramfosOffset
		call	unmlzOffset

		; Çàïóñêàåì ïðîãðàììó ñäâèãà è RAMFOS
		lxi	d, 0D2A0h
		lxi	h, 0F800h
                lxi	b, 0FFE0h - 0F800h
moveLoop:	 ldax d
		 inx d
		 mov m, a
		 inx h
		 dcx b
		 mov a, b
		 ora c
		jnz moveLoop

		jmp 0F800h

; ---------------------------------------------------------------------------

logoLine:	sta 0FFF8h
logoLine_0:      mvi	b, 39
		 mvi	l, 108
drawChar_1:       ldax	d
		  inx	d
		  mov	m, a
		  inx	h
		  dcr	b
		 jnz	drawChar_1
		 inr	h
		 dcr	c
		jnz	logoLine_0
		ret

; ---------------------------------------------------------------------------

logo:
.include "logo.inc"

; ---------------------------------------------------------------------------

.end