mirror of
https://github.com/bobbimanners/Applecorn.git
synced 2024-06-01 19:41:43 +00:00
Moved KBDINIT to AUXMEM.CHARIO.S
This commit is contained in:
Bobbi Webber-Manners
parent
33af1a332c
commit
7193e290fc
BIN
applecorn.po
BIN
applecorn.po
Binary file not shown.
215
auxmem.chario.s
215
auxmem.chario.s
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@ -14,6 +14,7 @@
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* keys.
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* *BUGS* INKEY doesn't restore cursor on timeout.
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* KBDREAD has several paths that don't test ESCCHAR.
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* If screen scrolls, copy cursor on wrong line
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* TEMP:
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FLASHER EQU $290
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@ -34,12 +35,18 @@ FX4VAR EQU BYTEVARBASE+$ED
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* TEMP as no *KEY
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* Default keyboard OSBYTE variables
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*DEFBYTELOW EQU 219 ; First default OSBYTE value
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DEFBYTE DB $09,$1B ; Default key codes
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DB $C0,$D0,$E0,$F0 ; Default key expansion
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DB $80,$90,$A0,$B0 ; Default key expansion
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DEFBYTELOW EQU 219 ; First default OSBYTE value
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DEFBYTE DB $09,$1B ; Default key codes
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DB $C0,$D0,$E0,$F0 ; Default key expansion
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DB $80,$90,$A0,$B0 ; Default key expansion
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DEFBYTEEND
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KBDINIT LDX #DEFBYTEEND-DEFBYTE-1
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:INITPG3 LDA DEFBYTE,X ; Initialize OSBYTE vars
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STA BYTEVARBASE+DEFBYTELOW,X
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DEX
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BPL :INITPG3
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RTS
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* OSWRCH handler
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****************
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@ -64,7 +71,7 @@ WRCHHND PHA
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* All registers preserved except A, Carry
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* Flashes a fake cursor while waiting for input
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*
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RDCHHND LDA #$80 ; flag=wait forever
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RDCHHND LDA #$80 ; flag=wait forever
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PHY
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TAY
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* TEST
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@ -78,21 +85,21 @@ RDCHHND LDA #$80 ; flag=wait forever
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LDA #$1B
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STA FXESCCHAR
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* TEST
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BRA INKEYGO ; Wait forever for input
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BRA INKEYGO ; Wait forever for input
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; XY<$8000 - wait for a keypress
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INKEY PHY ; Dummy PHY to balance RDCH
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INKEYGO PHX ; Save registers
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INKEY PHY ; Dummy PHY to balance RDCH
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INKEYGO PHX ; Save registers
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PHY
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;
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BIT VDUSTATUS
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BVC INKEYGO2 ; No editing cursor
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JSR GETCHRC ; Get character under cursor
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STA COPYCHAR ; Save char under edit cursor
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BVC INKEYGO2 ; No editing cursor
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JSR GETCHRC ; Get character under cursor
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STA COPYCHAR ; Save char under edit cursor
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LDA CURSORED
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JSR PUTCHRC ; Display edit cursor
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JSR COPYSWAP1 ; Swap to copy cursor
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INKEYGO2 JSR GETCHRC ; Get character under cursor
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JSR PUTCHRC ; Display edit cursor
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JSR COPYSWAP1 ; Swap to copy cursor
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INKEYGO2 JSR GETCHRC ; Get character under cursor
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STA OLDCHAR
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;
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@ -110,63 +117,63 @@ INKEYGO2 JSR GETCHRC ; Get character under cursor
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;*
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;INKEYGO2
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CLI
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BRA INKEY1 ; Turn cursor on
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BRA INKEY1 ; Turn cursor on
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;
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INKEYLP1 PHX
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INKEYLP2 PHY
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INKEYLP CLC
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LDA #$01 ; Slow flash, every 32 frames
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LDA #$01 ; Slow flash, every 32 frames
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BIT VDUSTATUS
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BVC INKEY0
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ASL A ; Fast flash, every 16 frames
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ASL A ; Fast flash, every 16 frames
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INKEY0 ADC FLASHER
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STA FLASHER
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AND #15
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BNE INKEY3 ; Not time to toggle yet
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LDA OLDCHAR ; Prepare to remove cursor
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BNE INKEY3 ; Not time to toggle yet
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LDA OLDCHAR ; Prepare to remove cursor
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BIT FLASHER
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BMI INKEY2 ; Remove cursor
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INKEY1 LDA CURSOR ; Add cursor
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INKEY2 JSR PUTCHRC ; Toggle cursor
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BMI INKEY2 ; Remove cursor
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INKEY1 LDA CURSOR ; Add cursor
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INKEY2 JSR PUTCHRC ; Toggle cursor
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INKEY3 LDA ESCFLAG
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BMI INKEYOK ; Escape pending, return it
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INKEY4 JSR KEYREAD ; Test for input, all can be trashed
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BCC INKEYOK ; Char returned, return it
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BMI INKEYOK ; Escape pending, return it
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INKEY4 JSR KEYREAD ; Test for input, all can be trashed
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BCC INKEYOK ; Char returned, return it
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;
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* VBLK pulses at 50Hz, changes at 100Hz
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* (60Hz in US, will need tweeking)
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LDX $C019 ; Get initial VBLK state
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LDX $C019 ; Get initial VBLK state
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INKEY5 BIT $C000
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BMI INKEY4 ; Key pressed
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BMI INKEY4 ; Key pressed
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TXA
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EOR $C019
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BPL INKEY5 ; Wait for VBLK change
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BPL INKEY5 ; Wait for VBLK change
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;
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PLY
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BMI INKEYLP2 ; Loop forever
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BMI INKEYLP2 ; Loop forever
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PLX
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TXA
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BNE INKEYDEC ; Decrement XY
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BNE INKEYDEC ; Decrement XY
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DEY
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INKEYDEC DEX
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BNE INKEYLP1 ; Not 0, loop back
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BNE INKEYLP1 ; Not 0, loop back
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TYA
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BNE INKEYLP1 ; Not 0, loop back
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DEY ; Y=$FF
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TYA ; A=$FF
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PLX ; Drop dummy PHY
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RTS ; CS from above
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BNE INKEYLP1 ; Not 0, loop back
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DEY ; Y=$FF
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TYA ; A=$FF
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PLX ; Drop dummy PHY
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RTS ; CS from above
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; Timeout: CS, AY=$FFFF, becomes XY=$FFFF
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INKEYOK PHA
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;
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LDA OLDCHAR
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JSR PUTCHRC ; Remove cursor
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JSR PUTCHRC ; Remove cursor
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BIT VDUSTATUS
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BVC INKEYOK2 ; No editing cursor
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JSR COPYSWAP1 ; Swap cursor back
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BVC INKEYOK2 ; No editing cursor
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JSR COPYSWAP1 ; Swap cursor back
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LDA COPYCHAR
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JSR PUTCHRC ; Remove edit cursor
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JSR PUTCHRC ; Remove edit cursor
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INKEYOK2
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;
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;* This can be optimised
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@ -182,36 +189,36 @@ INKEYOK2
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;INKEYOK3 JSR PUTCHRC ; Remove edit cursor
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;
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PLA
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PLY ; <$80=INKEY or $80=RDCH
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PLX ; Restore X
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PLY ; <$80=INKEY or restore=RDCH
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PHA ; Save char for a mo
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PLY ; <$80=INKEY or $80=RDCH
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PLX ; Restore X
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PLY ; <$80=INKEY or restore=RDCH
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PHA ; Save char for a mo
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LDA ESCFLAG
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ASL A ; Cy=Escape flag
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PLA ; Get char back
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ASL A ; Cy=Escape flag
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PLA ; Get char back
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RTS
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; Character read: CC, A=char, X=???, Y<$80
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; Escape: CS, A=?? , X=???, Y<$80
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BYTE81 TYA
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BMI NEGINKEY ; XY<0, scan for keypress
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JSR INKEY ; XY>=0, wait for keypress
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BMI NEGINKEY ; XY<0, scan for keypress
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JSR INKEY ; XY>=0, wait for keypress
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* Y=$FF, A=FF, X=??, CS - timeout
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* Y<$80, A=esc, X=??, CS - escape
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* Y<$80, A=char, X=??, CC - character read
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TAX ; X=character returned
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TAX ; X=character returned
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TYA
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BMI BYTE81DONE ; Y=$FF, timeout
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BMI BYTE81DONE ; Y=$FF, timeout
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LDY #$00
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BCC BYTE81DONE ; CC, not Escape
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LDY #$1B ; Y=27
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BCC BYTE81DONE ; CC, not Escape
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LDY #$1B ; Y=27
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BYTE81DONE RTS
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* Returns: Y=$FF, X=$FF, CS - timeout
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* Y=$1B, X=???, CS - escape
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* Y=$00, X=char, CC - keypress
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NEGINKEY LDX #$00 ; Unimplemented
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NEGINKEY LDX #$00 ; Unimplemented
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LDY #$00
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CLC
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RTS
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@ -250,22 +257,22 @@ KEYREAD
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* RTS
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* KEYREAD2
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*
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JSR KBDREAD ; Fetch character from KBD "buffer"
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BCS KEYREADOK ; Nothing pending
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JSR KBDREAD ; Fetch character from KBD "buffer"
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BCS KEYREADOK ; Nothing pending
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;
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TAY
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BPL KEYREADOK ; Not top-bit key
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BPL KEYREADOK ; Not top-bit key
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AND #$CF
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CMP #$C9
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BCC KEYSOFT ; Not cursor key
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BCC KEYSOFT ; Not cursor key
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LDX FX4VAR
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BEQ KEYCURSOR ; *FX4,0 - editing keys
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BEQ KEYCURSOR ; *FX4,0 - editing keys
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DEX
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BNE KEYSOFT1 ; Not *FX4,1 - soft key
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BNE KEYSOFT1 ; Not *FX4,1 - soft key
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LDY FXTABCHAR
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CMP #$C9
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BEQ KEYREADOKY ; TAB key
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SBC #$44 ; Return $88-$8B
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BEQ KEYREADOKY ; TAB key
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SBC #$44 ; Return $88-$8B
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TAY
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KEYREADOKY TYA
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KEYREADOK1 CLC
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@ -281,16 +288,16 @@ KEYSOFT TYA
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LSR A
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LSR A
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LSR A
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LSR A ; A=key DIV 16
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EOR #$04 ; Offset into KEYBASE
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LSR A ; A=key DIV 16
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EOR #$04 ; Offset into KEYBASE
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TAX
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LDA FXKEYBASE-8,X
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* TO DO:
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*BEQ KEYNONE ; $00=ignored
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*DEC A
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*BEQ expandfunction
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CMP #2 ; *TEMP*
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BCC KEYNONE ; *TEMP*
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CMP #2 ; *TEMP*
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BCC KEYNONE ; *TEMP*
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TYA
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AND #$0F
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CLC
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@ -305,26 +312,26 @@ KEYCURSOR CMP #$C9
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; BCC KEYREADOK ; Not cursor key
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PHA
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LDA OLDCHAR
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JSR PUTCHRC ; Remove cursor
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JSR PUTCHRC ; Remove cursor
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PLA
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JSR COPYMOVE ; Move copy cursor
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JSR GETCHRC ; Save char under cursor
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JSR COPYMOVE ; Move copy cursor
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JSR GETCHRC ; Save char under cursor
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STA OLDCHAR
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KEYNONE SEC
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RTS
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KEYCOPY LDA FXTABCHAR ; Prepare TAB if no copy cursor
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KEYCOPY LDA FXTABCHAR ; Prepare TAB if no copy cursor
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BIT VDUSTATUS
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BVC KEYREADOK1 ; No copy cursor, return TAB
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LDA OLDCHAR ; Get the char under cursor
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BVC KEYREADOK1 ; No copy cursor, return TAB
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LDA OLDCHAR ; Get the char under cursor
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PHA
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JSR OUTCHARGO ; Output it to restore and move cursor
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JSR GETCHRC ; Save char under cursor
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JSR OUTCHARGO ; Output it to restore and move cursor
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JSR GETCHRC ; Save char under cursor
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STA OLDCHAR
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PLA
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BNE KEYREADOK1 ; Ok character
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BNE KEYREADOK1 ; Ok character
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SEC
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JMP BEEP ; Beep and return CS=No char
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JMP BEEP ; Beep and return CS=No char
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* KBDREAD
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@ -339,58 +346,58 @@ KEYCOPY LDA FXTABCHAR ; Prepare TAB if no copy cursor
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* TAB -> $C9
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* Cursors -> $CC-$CF
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*
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KBDREAD CLV ; VC=return keypress
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KBDTEST LDA $C000 ; VS here to test for keypress
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EOR #$80 ; Toggle bit 7
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KBDREAD CLV ; VC=return keypress
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KBDTEST LDA $C000 ; VS here to test for keypress
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EOR #$80 ; Toggle bit 7
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CMP #$80
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BCS KBDDONE ; No key pressed
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BVS KBDDONE ; VS=test for keypress
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STA $C010 ; Ack. keypress
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BCS KBDDONE ; No key pressed
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BVS KBDDONE ; VS=test for keypress
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STA $C010 ; Ack. keypress
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BIT $C061
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BMI KBDLALT ; Left Apple pressed
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BMI KBDLALT ; Left Apple pressed
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BIT $C062
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BMI KBDRALT ; Right Apple pressed
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BMI KBDRALT ; Right Apple pressed
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CMP #$09
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BEQ KBDTAB ;
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BEQ KBDTAB ;
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CMP #$08
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BCC KBDESC ; <$08 not cursor key
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BCC KBDESC ; <$08 not cursor key
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CMP #$0C
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BCC KBDCURSR
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CMP #$15
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BEQ KBDCUR15
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* Test for Escape key
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KBDESC CMP FXESCCHAR ; Current ESCAPE char?
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KBDESC CMP FXESCCHAR ; Current ESCAPE char?
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* CMP #27 ; TEMP
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BNE KBDNOESC ; No
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LDX FXESCON ; Is ESCAPE enabled?
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BNE KBDNOESC ; No
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ROR ESCFLAG ; Set Escape flag
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KBDNOESC CLC ; CLC=Ok
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BNE KBDNOESC ; No
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LDX FXESCON ; Is ESCAPE enabled?
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BNE KBDNOESC ; No
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ROR ESCFLAG ; Set Escape flag
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KBDNOESC CLC ; CLC=Ok
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KBDDONE RTS
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KBDRALT ; Right Apple key pressed
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KBDLALT CMP #$40 ; Left Apple key pressed
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KBDRALT ; Right Apple key pressed
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KBDLALT CMP #$40 ; Left Apple key pressed
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BCS KBDCTRL
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CMP #$30
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BCC KBDFUNOK ; <'0'
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BCC KBDFUNOK ; <'0'
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CMP #$3A
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BCS KBDOK ; >'9'
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KBDFUNC AND #$0F ; Convert Apple-Num to function key
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BCS KBDOK ; >'9'
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KBDFUNC AND #$0F ; Convert Apple-Num to function key
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ORA #$80
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BIT $C062
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BPL KBDFUNOK ; Left+Digit -> $8x
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ORA #$90 ; Right+Digit -> $9x
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BPL KBDFUNOK ; Left+Digit -> $8x
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ORA #$90 ; Right+Digit -> $9x
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BIT $C061
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BPL KBDFUNOK
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EOR #$30 ; Left+Right+Digit -> $Ax
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EOR #$30 ; Left+Right+Digit -> $Ax
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KBDFUNOK RTS
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KBDCTRL AND #$1F ; Apple-Letter -> Ctrl-Letter
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KBDCTRL AND #$1F ; Apple-Letter -> Ctrl-Letter
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KBDOK CLC
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RTS
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KBDTAB LDA #$11 ; Convert TAB to $C9, expanded later
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KBDCUR15 SBC #$0C ; Convert RGT to $09
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KBDTAB LDA #$11 ; Convert TAB to $C9, expanded later
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KBDCUR15 SBC #$0C ; Convert RGT to $09
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KBDCURSR CLC
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ADC #$C4 ; Cursor keys $CC-$CF
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RTS ; CLC=Ok set earlier
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ADC #$C4 ; Cursor keys $CC-$CF
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RTS ; CLC=Ok set earlier
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@ -128,13 +128,7 @@ MOSHIGH SEI
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DEX
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BPL :INITPG2
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* DEFBYTELOW=129
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LDX #DEFBYTEEND-DEFBYTE-1
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:INITPG3 LDA DEFBYTE,X ; Initialize OSBYTE vars
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STA BYTEVARBASE+DEFBYTELOW,X
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DEX
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BPL :INITPG3
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JSR KBDINIT
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JSR VDUINIT ; Initialise VDU driver
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LDA #<:HELLO
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@ -59,5 +59,3 @@ FSCV EQU $21E ; FSCV misc file ops
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OSFILECB EQU $2EE ; OSFILE control block
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DEFBYTELOW EQU 219 ; First default OSBYTE value
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