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

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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

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At line 132 changed 14 lines
|236|$00EC|[FRX]| |
|237|$00ED|[EEXP]| |
|238|$00EE|[NSIGN]| |
|239|$00EF|[ESIGN]| |
|240|$00F0|[FCHRFLG]| |
|241|$00F1|[DIGRT]| |
|242|$00F2|[CIX]| |
|243,244|$00F3,$00F4|[INBUFF]| |
|245,246|$00F5,$00F6|[ZTEMP1]| |
|247,248|$00F7,$00F8|[ZTEMP4]| |
|249,250|$00F9,$00FA|[ZTEMP3]| |
|251|$00FB|[RADFLG]| |
|252,253|$00FC,$00FD|[FLPTR]| |
|254,255|$00FE,$00FF|[FPTR2]| |
|236|$00EC|[FRX]|FP spare register|
|237|$00ED|[EEXP]|The value of E (the exponent)|
|238|$00EE|[NSIGN]|The sign of the FP number|
|239|$00EF|[ESIGN]|The sign of the exponent|
|240|$00F0|[FCHRFLG]|The first character flag|
|241|$00F1|[DIGRT]|The number of digits to the right of the decimal|
|242|$00F2|[CIX]|Character (current input) index. Used as an offset to the input text buffer pointed to by INBUFF below.|
|243,244|$00F3,$00F4|[INBUFF]|Input ASCII text buffer pointer|
|245,246|$00F5,$00F6|[ZTEMP1]|Temporary register|
|247,248|$00F7,$00F8|[ZTEMP4]|Temporary register|
|249,250|$00F9,$00FA|[ZTEMP3]|Temporary register|
|251|$00FB|[RADFLG]|Also called DEGFLG. When 0 all functions are performed in radians; when set to 6, they are done
in degrees|
|252,253|$00FC,$00FD|[FLPTR]|Points to the user's FP number|
|254,255|$00FE,$00FF|[FPTR2]|Pointer to the user's second FP operation.|
At line 519 removed 4 lines
At line 530 changed 6 lines
|55876|$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|$DB28|[FDIV]|FP division routine; FR0 divided by FR1.|
|55876|$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|$DB28|[FDIV]|FP division routine; [FR0] divided by [FR1].|
At line 537 changed 7 lines
|56713|$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|$DDB6|[FMOVE]|Move the FP number from FR0 to FR1.|
|56713|$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].|
This page (revision-105) was last changed on 03-Feb-2023 15:21 by Florian Dingler  Top