Atari 400 Technical Reference Manual page 268

ERR LINE AD DR B1 B2 B3 B4
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ENDPT:
DEL TAR:
DELTAC:
ROWINC:
COLINe:
SWPFLG:
HOLDCH:
INSDAT:
COUNTR:
INTABS
VDSLST:
VPRCED:
VINTER:
VBREAK:
VKEYBD:
VSERIN:
VSEROR:
VSEROC:
VTIMRl :
VTIMR2:
VTIMR4:
VIMIRQ:
CDTMVl :
CDTMV2:
CDTMV3:
CDTMV4:
CDTMV5:
VVBLKI:
VVBLKD:
CDTMAl :
CDTMA2:
CDTMF3:
SRTIMR:
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6500 ASSEMBLER VER 1.0MR
2
1
2
1
1
PAGE
iNON-O IF TXT AND REGULAR RAM IS SWAPPED
7
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1
1
1
iCH IS MOVED HERE IN KGETCH BEFORE CNTL
&
SH
2
80 - FF ARE RESERVED FOR USER APPLICATIONS
NOTE SEE FLOATING POINT SUBROUTINE AREA FOR ZERO PAGE CELLS
PAGE 1 STACK
PAGE TWO RAM ASSIGNMENTS
*=$0200
=*
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i
INTERRUPT RAM
iDISPLAY LIST NMI VECTOR
iPROCEED LINE IRQ VECTOR
i
INTERRUPT LINE IRQ VECTOR
iSOFTWARE BREAK (00) INSTRUCTION IRQ VECTOR
iPOKEY KEYBOARD IRQ VECTOR
iPOKEY SERIAL INPUT READY IRQ
iPOKEY SERIAL OUTPUT READY IRQ
iPOKEY SERIAL OUTPUT COMPLETE IRQ
iPOKEY TIMER 1 IRQ
iPOKEY TIMER 2 IRQ
iPOKEY TIMER 4 IRQ
i
IMMEDIATE IRQ VECTOR
iCOUNT DOWN TIMER
1
iCOUNT DOWN TIMER2
iCOUNT DOWN TIMER
3
iCOUNT DOWN TIMER 4
; COUNT DOWN TIMER 5
i
IMMEDIATE VERTICAL BLANK NMI VECTOR
iDEFERRED VERTICAL BLANK NMI VECTOR
iCOUNT DOWN TIMER
1
JSR ADDRESS
iCOUNT DOWN TIMER 2 JSR ADDRESS
iCOUNT DOWN TIMER 3 FLAG
iSOFTWARE REPEAT TIMER