This page (revision-105) was last changed on 03-Feb-2023 15:21 by Florian Dingler 

This page was created on 07-Mar-2010 22:14 by Florian Dingler

Only authorized users are allowed to rename pages.

Only authorized users are allowed to delete pages.

Page revision history

Version Date Modified Size Author Changes ... Change note
105 03-Feb-2023 15:21 20 KB Florian Dingler to previous
104 01-May-2020 19:14 20 KB Florian Dingler to previous | to last
103 02-Mar-2020 17:35 20 KB Florian Dingler to previous | to last
102 01-Mar-2020 23:22 19 KB Florian Dingler to previous | to last
101 15-Apr-2019 20:59 19 KB Florian Dingler to previous | to last

Page References

Incoming links Outgoing links
Memory Map
Memory Map

Version management

Difference between version and

At line 508 changed one line
|55296|$D800|[AFP]| |
|55296|$D800|[AFP]|ASCII to Floating Point (FP) conversion|
|55526|$D8E6|[FASC]|FP value to ASCII conversion|
|55722|$D9AA|[IFP]|Integer to FP conversion|
|55762|$D9D2|[FPI]|FP to integer conversion|
|55876|$DA44|[ZFR0]|Clear FR0 at 212 to 217 ($d$-$DB) by setting all bytes to zero|
|55878|$DA46|[ZF1]|Clear the FP number from FR1, locations 224 to 229 ($E0 to $E5), by setting all bytes to zero.|
|55904|$DA60|[FSUB]|FP subtract routine, the value in FR0 minus the value in FR1.|
|55910|$DA66|[FADD]|FP addition routine; FR0 plus FR1.|
|56027|$DADB|[FMUL]|FP multiplication routine; FR0 times FR1.|
|56104|$DB28|[FDIV]|FP division routine; FR0 divided by FR1.|
|56640|$DD40|[PLYEVL]|FP polynomial evaluation.|
|56713|$DD89|[FLD0R]|Load the FP number into FR0 from the 6502 X,Y registers.|
|56717|$DD8D|[FLD0P]|Load the FP number into FR0 from user routine, using FLPTR at 252 ($FC).|
|56728|$DD98|[FLD1R]|Load the FP number into FR1 from the 6502 X,Y registers.|
|56732|$DD9C|[FLD1P]|Load the FP number into FR1 from user program, using FLPTR.|
|56743|$DDA7|[FSTOR]|Store the FP number into the 6502 X,Y registers from FR0.|
|56747|$DDAB|[FSTOP]|Store the FP number from FR0, using FLPTR.|
|56758|$DDB6|[FMOVE]|Move the FP number from FR0 to FR1.|
|56768|$DDC0|[EXP]|FP base e exponentiation.|
|56780|$DDCC|[EXP10]|FP base 10 exponentiation.|
|57037|$DECD|[LOG]|FP natural logarithm.|
|57041|$DED1|[LOG10]|FP base 10 logarithm.|
At line 531 added 8 lines
|57344|$E000| |Standard ATARI character set, beginning with punctuations and numbers|
|57600|$E100| |capital letters|
|57856|$E200| |special graphics|
|58112|$E300| |lower case letters|
|58367|$E3FF| |end of ATARI standard charset|
| | | | |
|58368|$E400|[EDITRV]|Screen editor (E:) entry point table|
|58348|$E410|[SCRENV]|Display handler (television screen) (S:)|
At line 511 changed one line
| | | | |
|58416|$E430|[PRINTV]|Printer handler (P:)|
|58432|$E440|[CASETV]|Cassette handler (C:)|
|58448|$E450|[DISKIV]|Disk handler initialization vector, initialized to 60906 ($EDEA)|
|58451|$E453|[DSKINV]|Disk handler (interface) entry; checks the disk status. Initialized to 60912 ($EDF0).|
|58454|$E456|[CIOV]| |
This page (revision-105) was last changed on 03-Feb-2023 15:21 by Florian Dingler  Top