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APPENDIX A
MEMORY MAP
SUPER EXTENDED BASIC UNRAVELLED II
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
FFC6
FFC7
FFC8
FFC9
FFCA
FFCB
FFCC
FFCD
FFCE
FFCF
FFD0
FFD1
FFD2
FFD3
FFD4
FFD8
FFD9
FFDA
FFDE
FFDF
F0CLR
F0SET
F1CLR
F1SET
F2CLR
F2SET
F3CLR
F3SET
F4CLR
F4SET
F5CLR
F5SET
F6CLR
F6SET
ROMCLR
ROMSET
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
RMB
*
SWI3
SWI2
FIRQ
IRQ
SWI
NMI
RESETV
RMB
18
INTERRUPT VECTORS
RMB
2
RMB
2
RMB
2
RMB
2
RMB
2
RMB
2
RMB
2
R1CLR
R1SET
FFE0
FFF2
FFF4
FFF6
FFF8
FFFA
FFFC
FFFE
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
1
1
4
1
1
CLEAR COCO GRAPHICS OFFSET F0
SET COCO GRAPHICS OFFSET F0
CLEAR COCO GRAPHICS OFFSET F1
SET COCO GRAPHICS OFFSET F1
CLEAR COCO GRAPHICS OFFSET F2
SET COCO GRAPHICS OFFSET F2
CLEAR COCO GRAPHICS OFFSET F3
SET COCO GRAPHICS OFFSET F3
CLEAR COCO GRAPHICS OFFSET F4
SET COCO GRAPHICS OFFSET F4
CLEAR COCO GRAPHICS OFFSET F5
SET COCO GRAPHICS OFFSET F5
CLEAR COCO GRAPHICS OFFSET F6
SET COCO GRAPHICS OFFSET F6
RESERVED
CLEAR CPU RATE, (0.89 MHz)
SET CPU RATE, (1.78 MHz)
RESERVED
ROM DISABLED
ROM ENABLED
RESERVED FOR FUTURE MPU ENHANCEMENTS
A15
ORIGIN:SPECTRAL ASSOC
REVISED:12/26/1999 WALTER K ZYDHEK