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; Floating Point converter FAC to FP1 format
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; Copyright (C) 2015 Riccardo Greco
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation, either version 3 of the License, or
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; (at your option) any later version.
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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* @com.wudsn.ide.asm.hardware=APPLE2
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************************************
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* BASIC TO FAC TO FP1 *
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* Y=NUMBER *
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* CALL 2048,Y *
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************************************
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org $800
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CHKCOM equ $DEBE
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FRMNUM equ $DD67
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** Woz FP Accumulator 4 Byte + 1 Byte Extra + 1 Byte SIGN**
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FP1 equ $FA ;Translate F8 --> FA
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E equ $FE ;Translate FC --> FE
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SIGN equ $EB
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** Applesoft FP Accumulator 5 Byte + 1 Byte Sign **
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FAC equ $9D
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***************************
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ENTRY jsr CHKCOM
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jsr FRMNUM ;VARIABLE->FAC
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** FP1 to FAC conversion **
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lda FAC
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dec A
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sta FP1
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lda FAC+1
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eor #$80
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lsr
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sta FP1+1
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lda FAC+2
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sta FP1+2
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lda FAC+3
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sta FP1+3
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lda FAC+3
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sta E
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lda FAC+4
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sta SIGN
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brk
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@ -1,71 +0,0 @@
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; Floating Point converter FP1 to FAC format
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; Copyright (C) 2015 Riccardo Greco
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation, either version 3 of the License, or
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; (at your option) any later version.
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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* @com.wudsn.ide.asm.hardware=APPLE2
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************************************
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* FP1 TO FAC TO BASIC *
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* CALL 32768,X *
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* PRINT X *
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************************************
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org $8000
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CHKCOM equ $DEBE
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PTRGET equ $DFE3
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MOVMF equ $EB2B
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MOVFM equ $EAF9
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** Woz FP Accumulator 4 Byte + 1 Byte Extra + 1 Byte SIGN **
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FP1 equ $FA ;Translate F8 --> FA
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E equ $FE ;Translate FC --> FE
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SIGN equ $EB ;Translate F3 --> EB
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MEM equ $8080
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*
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** FP1 to MEM to FAC conversion FAC 5 Bytes **
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*
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ENTRY lda FP1 ; X1 1 Byte --> 9D FAC
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inc A ; 2^(FP1+1)
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sta MEM
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lda FP1+1 ; M1 Hi 2 Byte --> 9E FAC
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asl
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eor #$80 ; Not Hi Bit Mantissa (change Sign)
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sta MEM+1
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lda FP1+2 ; M1 3 Byte --> 9F FAC
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sta MEM+2
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lda FP1+3 ; M1 Lo 4 Byte --> A0 FAC
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sta MEM+3
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lda E ; Extra 00 5 Byte --> A1 FAC
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sta MEM+4
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* lda $EB ; SIGN (F3 to EB) 6 Byte --> A2 FAC
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* sta MEM+5
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***************************
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*
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ldy #$80 ;Hi Byte MEM
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lda #$80 ;Lo Byte MEM
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jsr MOVFM ;MEM->FAC (9D to A2)
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*
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jsr CHKCOM
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jsr PTRGET
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tax
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jsr MOVMF ;FAC->VARIABLE
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DONE rts
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@ -1 +0,0 @@
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This souce files allow Unidisk Floating Point operations.
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@ -1,4 +0,0 @@
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This programs allow to use Unidisk 3.5 for Integer numbers operation:
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Unifun2.bas 2 Bytes sum of integer numbers
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Unifun3.bas 2 Byte sum of the first N integer numbers
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Binary file not shown.
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@ -1,9 +0,0 @@
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10 HOME
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20 PRINT CHR$ (4);"BLOAD UNIDRIVE2"
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25 INPUT "N1,N2? ";N1,N2
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30 POKE 25,(N1 - INT (N1 / 256) * 256)
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32 POKE 26, INT (N1 / 256)
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35 POKE 27,(N2 - INT (N2 / 256) * 256)
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37 POKE 28, INT (N2 / 256)
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40 CALL 32768
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50 PRINT : PRINT "RESULT IS "; PEEK (29) + 256 * PEEK (30)
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@ -1,7 +0,0 @@
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10 HOME
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20 PRINT CHR$ (4);"BLOAD UNIDRIVE3"
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25 INPUT "N ";N1
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30 POKE 25,(N1 - INT (N1 / 256) * 256)
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32 POKE 26, INT (N1 / 256)
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40 CALL 32768
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50 PRINT : PRINT "RESULT IS "; PEEK (29) + 256 * PEEK (30)
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@ -1 +0,0 @@
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This Assmbly routine allow to dump Unidisk 3.5 ROM memory area in the Apple II mamory and then store the file in a Disk.
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Binary file not shown.
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@ -1,4 +0,0 @@
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10 HOME
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20 PRINT CHR$ (4);"BLOAD UNIPROX"
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30 CALL 32768
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40 PRINT CHR$ (4);"BSAVE UNIROM,A$2000,L$1FFF"
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