Datasheet
4D SYSTEMS PICASO Processor
© 2012 4D SYSTEMS Page 14 of 23 www.4dsystems.com.au
PICASO PROCESSOR
9. System Registers Memory Map
The following tables outline in detail the PICASO system registers and flags.
PICASO System Registers and Flags
LABEL
ADDRESS
USAGE
DEC
HEX
RANDOM_LO
32
0x20
random generator LO word
RANDOM_HI
33
0x21
random generator HI word
SYSTEM_TIMER_LO
34
0x22
1msec system timer LO word
SYSTEM_TIMER_HI
35
0x23
1msec system timer HI word
TIMER0
36
0x24
1msec user timer 0
TIMER1
37
0x25
1msec user timer 1
TIMER2
38
0x26
1msec user timer 2
TIMER3
39
0x27
1msec user timer 3
TIMER4
40
0x28
1msec user timer 3
TIMER5
41
0x29
1msec user timer 3
TIMER6
42
0x2A
1msec user timer 3
TIMER7
43
0x2B
1msec user timer 3
SYS_X_MAX
44
0x2C
display hardware X res-1
SYS_Y_MAX
45
0x2D
display hardware Y res-1
GFX_XMAX
46
0x2E
width of current orientation
GFX_YMAX
47
0x2F
height of current orientation
GFX_LEFT
48
0x30
image left real point
GFX_TOP
49
0x31
image top real point
GFX_RIGHT
50
0x32
image right real point
GFX_BOTTOM
51
0x33
image bottom real point
GFX_X1
52
0x34
image left clipped point
GFX_Y1
53
0x35
image top clipped point
GFX_X2
54
0x36
image right clipped point
GFX_Y2
55
0x37
image bottom clipped point
GFX_X_ORG
56
0x38
current X origin
GFX_Y_ORG
57
0x39
current Y origin
GFX_HILITE_LINE
58
0x3A
current multi line button hilite line
GFX_LINE_COUNT
59
0x3B
count of lines in multiline button
GFX_LAST_SELECTION
60
0x3C
Last selected line
GFX_HILIGHT_BACKGROUN
D
61 0x3D multi button hilite background colour
GFX_HILIGHT_FOREGROUN
D
62 0x3E multi button hilite background colour
GFX_BUTTON_FOREGROUN
D
63 0x3F store default text colour for hilite line tracker
GFX_BUTTON_BACKGROUN
D
64 0x40 store default button colour for hilite line tracker
GFX_BUTTON_MODE
65
0x41
store current buttons mode
GFX_TOOLBAR_HEIGHT
66
0x42
height above
GFX_STATUSBAR_HEIGHT
67
0x43
height below
GFX_LEFT_GUTTER_WIDTH
68
0x44
width to left
GFX_RIGHT_GUTTER_WIDT
H
69 0x45 width to right
GFX_PIXEL_SHIFT
70
0x46
pixel shift for button depress illusion
GFX_VECT_X1
71
0x47
gp rect, used by multiline button to hilite required line