mirror of
https://github.com/RevCurtisP/C02.git
synced 2024-11-17 15:06:29 +00:00
61 lines
2.5 KiB
Plaintext
61 lines
2.5 KiB
Plaintext
|
;VIC20 BASIC Floating Point Functions
|
||
|
|
|
||
|
|
;pival - PI Expressed as a Five-Byte Floating Point Number
|
||
|
|
PIVAL EQU $CEA8
|
||
|
|
|
||
|
|
maxint EQU $D1A5 ;The Constant -32768 in Five-Byte Floating Point Format
|
||
|
|
ayint EQU $D1AA ;Convert Floating Point to Signed Integer in A and Y
|
||
|
|
intidx EQU $D1B2 ;Convert Floating Point Subscript to a Positive Integer
|
||
|
|
fpint EQU $D1BF ;Convert Floating Point Number to Signed Integer
|
||
|
|
|
||
|
|
makfp EQU $D391 ;Convert 16-Bit Signed Integer to Floating Pointers
|
||
|
|
fpadr EQU $D7F7 ;Convert Floating Point to Unsigned Two-Byte Integer
|
||
|
|
|
||
|
|
fpsubm EQU $D850 ;Subtract FAC1 from a Number in Memory
|
||
|
|
fpsub EQU $D853 ;Subtract FAC2 from FAC1
|
||
|
|
fpaddm EQU $D867 ;Add FAC1 to a Number in Memory
|
||
|
|
fpaddh EQU $D86A ;Add FAC1 to FAC2
|
||
|
|
|
||
|
|
normlz EQU $D8FE ;Normalize Floating Point Accumulator #1
|
||
|
|
comfac EQU $D947 ;Replace FAC1 with Its 2's Complement
|
||
|
|
|
||
|
|
denorm EQU $D983 ;Denormalize Exponents of FAC1 and FAC2
|
||
|
|
fpcone EQU $D9BC ;Floating Point Constant with a Value of 1
|
||
|
|
|
||
|
|
dolog EQU $D9EA ;Perform LOG
|
||
|
|
fpmult EQU $DA28 ;Multiply FAC1 with FAC2
|
||
|
|
fpmltb EQU $DA59 ;Multiply Byte Subroutine
|
||
|
|
lodarg EQU $DA8C ;Move Floating Point Number from Memory into FAC2
|
||
|
|
|
||
|
|
multen EQU $DAE2 ;Multiply FAC1 by 10
|
||
|
|
fpcten EQU $BAF9 ;The Constant 10 in Five-Byte Floating Format
|
||
|
|
divten EQU $DAFE ;Divide FAC1 by 10
|
||
|
|
fpdivm EQU $DB0F ;Divide a Number in Memory by FAC1
|
||
|
|
fpdivm EQU $DB12 ;Divide FAC2 by FAC1
|
||
|
|
lodfac EQU $DBA2 ;Move Floating Point Number from Memory to FAC1
|
||
|
|
|
||
|
|
strfac EQU $DBD4 ;Move Floating Point Number from FAC1 to Memory
|
||
|
|
argfac EQU $DBFC ;Move Floating Point Number from FAC2 to FAC1
|
||
|
|
rndmov EQU $DC0C ;Round and Move Floating Point Number from FAC1 to FAC2
|
||
|
|
facarg EQU $DC0F ;Move Floating Point Number from FAC1 to FAC2
|
||
|
|
round EQU $DC1B ;Round FAC1 by Adjusting Rounding Byte
|
||
|
|
sgnfac EQU $DC2B ;Put Sign of FAC1 into A Register
|
||
|
|
dosgn EQU $DC39 ;Perform SGN
|
||
|
|
bytfp EQU $DC3C ;Convert Signed Byte in A Register to Floating Point
|
||
|
|
doabs EQU $DC58 ;Perform ABS
|
||
|
|
cmpfac EQU $DC5B ;Compare FAC1 to Memory
|
||
|
|
fpint EQU $DC9B ;Convert FAC1 to 32-bit Signed Integer in $62-$65
|
||
|
|
doint EQU $DCCC ;Perform INT
|
||
|
|
|
||
|
|
ascfp EQU $DCF3 ;Convert ASCII String to Floating Point Number
|
||
|
|
addbyt EQU $DD7E ;Add Signed Byte in A Register to FAC1
|
||
|
|
fpasc EQU $DDDD ;Convert Contents of FAC1 to ASCII String
|
||
|
|
dosqr EQU $DF71 ;Perform SQR
|
||
|
|
expont EQU $DF7B ;Perform ^
|
||
|
|
negfac EQU $DFB4 ;Perform - (Unary Minus)
|
||
|
|
doexp EQU $DFED ;Perform EXP
|
||
|
|
dorrnd EQU $E094 ;Perform RND
|
||
|
|
docos EQU $E261 ;Perform COS
|
||
|
|
dosin EQU $E268 ;Perform SIN
|
||
|
|
dotan EQU $E2B1 ;Perform TAN
|