blob: 4599e9506bee38a9ab28b8764c7a89d6a282f85f (
plain)
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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
H_SPRITEWIDTH EQU $FF8B ; in tiles
H_SPRITEINTERLACECOUNTER EQU $FF8B
H_SPRITEHEIGHT EQU $FF8C ; in tiles
H_SPRITEOFFSET EQU $FF8D
hSoftReset EQU $FF8A
; Initialized to 16.
; Decremented each input iteration if the player
; presses the reset sequence (A+B+SEL+START).
; Soft reset when 0 is reached.
; counters for blinking down arrow
H_DOWNARROWBLINKCNT1 EQU $FF8B
H_DOWNARROWBLINKCNT2 EQU $FF8C
; Multiplcation and division variables are meant
; to overlap for back-to-back usage. Big endian.
H_MULTIPLICAND EQU $FF96 ; 3 bytes
H_MULTIPLIER EQU $FF99 ; 1 byte
H_PRODUCT EQU $FF95 ; 4 bytes
H_DIVIDEND EQU $FF95 ; 4 bytes
H_DIVISOR EQU $FF99 ; 1 byte
H_QUOTIENT EQU $FF95 ; 4 bytes
H_REMAINDER EQU $FF99 ; 1 byte
; PrintNumber (big endian).
H_PASTLEADINGZEROES EQU $FF95 ; last char printed
H_NUMTOPRINT EQU $FF96 ; 3 bytes
H_POWEROFTEN EQU $FF99 ; 3 bytes
H_SAVEDNUMTOPRINT EQU $FF9C ; 3 bytes
hJoyHeldLast EQU $FFB1
hJoyReleased EQU $FFB2
hJoyPressed EQU $FFB3
hJoyHeld EQU $FFB4
hJoy5 EQU $FFB5
hJoy6 EQU $FFB6
hJoy7 EQU $FFB7
H_LOADEDROMBANK EQU $FFB8
; is automatic background transfer during V-blank enabled?
; if nonzero, yes
; if zero, no
H_AUTOBGTRANSFERENABLED EQU $FFBA
TRANSFERTOP EQU 0
TRANSFERMIDDLE EQU 1
TRANSFERBOTTOM EQU 2
; 00 = top third of background
; 01 = middle third of background
; 02 = bottom third of background
H_AUTOBGTRANSFERPORTION EQU $FFBB
; the destination address of the automatic background transfer
H_AUTOBGTRANSFERDEST EQU $FFBC ; 2 bytes
; temporary storage for stack pointer during memory transfers that use pop
; to increase speed
H_SPTEMP EQU $FFBF ; 2 bytes
; source address for VBlankCopyBgMap function
; the first byte doubles as the byte that enabled the transfer.
; if it is 0, the transfer is disabled
; if it is not 0, the transfer is enabled
; this means that XX00 is not a valid source address
H_VBCOPYBGSRC EQU $FFC1 ; 2 bytes
; destination address for VBlankCopyBgMap function
H_VBCOPYBGDEST EQU $FFC3 ; 2 bytes
; number of rows for VBlankCopyBgMap to copy
H_VBCOPYBGNUMROWS EQU $FFC5
; size of VBlankCopy transfer in 16-byte units
H_VBCOPYSIZE EQU $FFC6
; source address for VBlankCopy function
H_VBCOPYSRC EQU $FFC7
; destination address for VBlankCopy function
H_VBCOPYDEST EQU $FFC9
; size of source data for VBlankCopyDouble in 8-byte units
H_VBCOPYDOUBLESIZE EQU $FFCB
; source address for VBlankCopyDouble function
H_VBCOPYDOUBLESRC EQU $FFCC
; destination address for VBlankCopyDouble function
H_VBCOPYDOUBLEDEST EQU $FFCE
; controls whether a row or column of 2x2 tile blocks is redrawn in V-blank
; 00 = no redraw
; 01 = redraw column
; 02 = redraw row
H_SCREENEDGEREDRAW EQU $FFD0
REDRAWCOL EQU 1
REDRAWROW EQU 2
H_SCREENEDGEREDRAWADDR EQU $FFD1
hRandomAdd EQU $FFD3
hRandomSub EQU $FFD4
H_FRAMECOUNTER EQU $FFD5 ; decremented every V-blank (used for delays)
; V-blank sets this to 0 each time it runs.
; So, by setting it to a nonzero value and waiting for it to become 0 again,
; you can detect that the V-blank handler has run since then.
H_VBLANKOCCURRED EQU $FFD6
H_CURRENTSPRITEOFFSET EQU $FFDA ; multiple of $10
H_WHOSETURN EQU $FFF3 ; 0 on player’s turn, 1 on enemy’s turn
hJoyInput EQU $FFF8
|
