Commodore Amiga Hardware Reference Manual page 316

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names of registers, 35
sprites, 127-9
Color selection
in high-resolution mode,. 90
in hold-and-modify mode, 89
in low-resolution mode, 88
COLORx,35
Comparator, 121
Con troller port
joystick, 217
mouse, 217
trackball, 217
Con trollers
joystick, 220
light pen, 224-6
mouse, 217-9
potentiometers, 224
proportional
joystick, 220-3
paddle, 220-3
registers, 223
special, 226-7
types, 6
typical connections, 222
COP1LCH,13
COP1LCL,13
COP2LCH,13
COP2LCL,13
COPCON,15
COPJMP1, 14
COPJMP2,14
Copper
affecting registers, 14
bus cycles used, 9
comparison enable, 21
control register, 14
danger bit (CDANG), 15
features, 8
horizontal beam position, 12
in interlaced mode, 22
in memory operations, 9
in vertical blanking interrupts, 210
instruction lists, 15, 17
instriI ctions
description, 9
MOVE, 9
ordering, 16
SKIP, 20-1
summary, 25
WAIT, 11, 19, 21
interrupt, 210
interrupting the 68000, 24
jump strobe addresses, 14
location registers, 13, 19, 21
loops and branches, 21
MOVE instruction, 9
SKIP instruction, 20-1
starting, 14, 19
stopping, 19
vertical beam position, 12
WAIT instruction, 11, 19, 21
with the blitter, 23
Coprocessor
(see Copper), 7
Copying data, 167-8
Data-fetch
high-resolution, 51
in basic playfield, 49-51
in horizon tal scrolling, 76
Data-fetch start
normal, 49
Data-fetch stop
normal, 49
DDFSTOP, 49, 72, 76
DDFSTRT, 49, 72, 76
Decibel values, 160
Disk
8520 ports, 228
control, 228-9
control register, 233
controller, 5, 227-235
data buffer, 232
data pointer registers, 230
data transfer, 230
DMA,230
DMA buffer, 235
drives, 5
input stream synchronization register,
Index-3

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