Some fixes
This commit is contained in:
parent
0c3e688faf
commit
5f122aba42
|
@ -7,6 +7,18 @@
|
|||
* *
|
||||
********************************
|
||||
|
||||
*********************************************************
|
||||
* INPUT SUBROUTINE CALL SEQUENCE:
|
||||
* GETLN ($FD6A) - READS A LINE INTO IN ($200) LENGTH IN X
|
||||
* '->RDCHAR ($FD35) - HANDLES ESC SEQUENCES FOR 40 COLUMN
|
||||
* '->RDKEY ($FD0C) - READS CHAR INTO ACCUMULATOR
|
||||
* '->KSW ($38) - POINTS TO KEYIN ($FD1B) FOR 40-COL
|
||||
* OR BASICIN ($C305) FOR 80-COL,
|
||||
* DELHNDLR IN THIS FILE, OTHER OTHER
|
||||
* CUSTOM SUBROUTINE. BASICIN HANDLES
|
||||
* ESC SEQUENCES FOR 80-COLUMN.
|
||||
*********************************************************
|
||||
|
||||
ORG $300
|
||||
TYP $06 ;BINARY TYPE
|
||||
DSK delkey.clr.left ;OUTPUT FILE NAME
|
||||
|
@ -19,16 +31,17 @@ KSWH EQU $39 ;KEYBOARD SWITCH HIGH BYTE
|
|||
OURCH EQU $57B ;HORIZONTAL POSITION (80-COL)
|
||||
OURCV EQU $5FB ;VERTICAL POSITION (80-COL)
|
||||
KBD EQU $C000 ;KEYBOARD DATA + STROBE
|
||||
KBDSTRB EQU $C010 ;CLEAR KEYBOARD STROBE
|
||||
CXROMON EQU $C007 ;TURN ON INTERNAL ROM
|
||||
CXROMOFF EQU $C006 ;ENABLE SLOT ROMS
|
||||
CXROMON EQU $C007 ;TURN ON INTERNAL ROM
|
||||
80COLOFF EQU $C00C ;Off: display 40 columns
|
||||
80COLON EQU $C00D ;On: display 80 columns
|
||||
RD80COL EQU $C01F ;Read 80col switch (1 = on)
|
||||
KBDSTRB EQU $C010 ;CLEAR KEYBOARD STROBE
|
||||
ALTCHAR EQU $C01E ;Alt char set (1 = on)
|
||||
COUT EQU $FDED ;WRITE A CHARACTER
|
||||
|
||||
* 80-COL SUBS INSIDE THE INTERNAL ROM
|
||||
INVERT EQU $CEDD ;INVERT CHAR ON SCREEN
|
||||
GETKEY EQU $CB15 ;THIS DOES NOT SEEM TO EXIST
|
||||
INVERT EQU $CEDD ;INVERT CHAR ON SCREEN - DOES NOT WORK
|
||||
PICK EQU $CF01 ;PICK CHAR OFF SCREEN
|
||||
|
||||
* INPUT SUBS
|
||||
|
@ -41,6 +54,7 @@ NOESC EQU $C9B7 ;HANDLES KEY OTHER THAN ESC
|
|||
BINPUT EQU $C8F6
|
||||
ESCAPING EQU $C918
|
||||
IN EQU $200 ;256-CHAR INPUT BUFFER
|
||||
RD80VID EQU $C01F
|
||||
|
||||
ESC EQU $9B ;ESC WITH HIGH BIT SET
|
||||
RTARROW EQU $95 ;RIGHT ARROW WITH HIGH BIT SET
|
||||
|
@ -54,13 +68,50 @@ STROUT EQU $DB3A ;PRINT NULL-TERM STRING IN AY
|
|||
PRINTXY EQU $F940 ;PRINT X & Y AS HEX
|
||||
PRBYTE EQU $FDDA ;PRINT BYTE AS 2 HEX DIGITS
|
||||
|
||||
STOR80ON EQU $C001 ;ENABLE AUXILIARY MEM SWITCHING
|
||||
SET80COL EQU $C001 ;ENABLE AUXILIARY MEM SWITCHING
|
||||
PAGE2OFF EQU $C054 ;TURN ON MAIN MEMORY
|
||||
PAGE2ON EQU $C055 ;TURN ON AUXILIARY MEMORY
|
||||
|
||||
DEBUG EQU 1
|
||||
DEBUG2 EQU 0
|
||||
|
||||
|
||||
********************************
|
||||
* PUSHY MACRO *
|
||||
********************************
|
||||
PUSHY mac
|
||||
tya
|
||||
pha
|
||||
<<<
|
||||
|
||||
********************************
|
||||
* POPY MACRO *
|
||||
********************************
|
||||
POPY mac
|
||||
pla
|
||||
tay
|
||||
<<<
|
||||
|
||||
********************************
|
||||
* PUSHXY MACRO *
|
||||
********************************
|
||||
PUSHXY mac
|
||||
txa
|
||||
pha
|
||||
tya
|
||||
pha
|
||||
<<<
|
||||
|
||||
********************************
|
||||
* POPYX MACRO *
|
||||
********************************
|
||||
POPYX mac
|
||||
pla
|
||||
tay
|
||||
pla
|
||||
tax
|
||||
<<<
|
||||
|
||||
********************************
|
||||
* *
|
||||
* PUTS MACRO *
|
||||
|
@ -75,15 +126,13 @@ DEBUG2 EQU 0
|
|||
* *
|
||||
********************************
|
||||
|
||||
PUTS MAC
|
||||
TYA ;PRESERVE Y
|
||||
PHA
|
||||
LDA #<]1 ;PUT LOW BYTE INTO A
|
||||
LDY #>]1 ;PUT HIGH BYTE INTO Y
|
||||
JSR STROUT ;CALL APPLESOFT'S STRING PRINT
|
||||
PLA ;RESTORE Y
|
||||
TAY
|
||||
<<<
|
||||
PUTS MAC
|
||||
PUSHY
|
||||
LDA #<]1 ;PUT LOW BYTE INTO A
|
||||
LDY #>]1 ;PUT HIGH BYTE INTO Y
|
||||
JSR STROUT ;CALL APPLESOFT'S STRING PRINT
|
||||
POPY
|
||||
<<<
|
||||
|
||||
********************************
|
||||
* *
|
||||
|
@ -100,8 +149,7 @@ PUTS MAC
|
|||
********************************
|
||||
|
||||
PUTC80 MAC
|
||||
TYA ;MOVE Y TO A
|
||||
PHA ;SAVE Y VALUE ON STACK
|
||||
PUSHY
|
||||
SEI ;DISABLE INTERRUPTS
|
||||
STA STOR80ON ;ENABLE MAIN/AUX MEM SWITCHING
|
||||
LDA ]2 ;LOAD 80-COL HORIZ CURSOR POSITN
|
||||
|
@ -115,8 +163,16 @@ CONTINUE TAY ;MOVE CURSOR POSITION TO Y
|
|||
STA (BASL),Y ;DISPLAY THE CHARACTER
|
||||
STA PAGE2OFF ;TURN MAIN MEM BACK ON
|
||||
CLI ;ENABLE INTERRUPTS
|
||||
PLA ;PULL Y VALUE FROM STACK
|
||||
TAY ;RESTORE Y VALUE
|
||||
POPY
|
||||
<<<
|
||||
|
||||
PRINTHEX MAC
|
||||
PHA
|
||||
PUSHXY
|
||||
lda ]1
|
||||
JSR PRBYTE
|
||||
POPYX
|
||||
PLA
|
||||
<<<
|
||||
|
||||
********************************
|
||||
|
@ -125,8 +181,7 @@ CONTINUE TAY ;MOVE CURSOR POSITION TO Y
|
|||
* *
|
||||
********************************
|
||||
|
||||
MAIN
|
||||
LDA #<DELHNDLR
|
||||
MAIN LDA #<DELHNDLR
|
||||
STA KSWL
|
||||
LDA #>DELHNDLR
|
||||
STA KSWH
|
||||
|
@ -148,76 +203,88 @@ MAIN
|
|||
* *
|
||||
********************************
|
||||
|
||||
DELHNDLR
|
||||
STA ORIGCURS ;STORE THE ORIGINAL CURSOR CHAR
|
||||
TXA ;SAVE X
|
||||
PHA
|
||||
TYA ;SAVE Y
|
||||
PHA
|
||||
DELHNDLR STA ORIGCURS ;STORE THE ORIGINAL CURSOR CHAR
|
||||
PUSHXY
|
||||
|
||||
BIT RD80COL ;TEST FOR 80-COL ON
|
||||
LDA ORIGCURS ;FOLLOWING CODE NEEDS THIS
|
||||
BIT ALTCHAR ;TEST FOR 80-COL ON
|
||||
BMI COL80
|
||||
|
||||
COL40
|
||||
JSR GETKEY ;LOAD "KEY" VARIABLE
|
||||
***********************************************************************
|
||||
COL40 JSR GETKEY40 ;LOAD "KEY" VARIABLE
|
||||
JSR DEL2BS ;CONVERT DELETE TO BACKSPACE
|
||||
LDA ORIGCURS
|
||||
STA (BASL),Y ;REMOVE CURSOR
|
||||
STA KEY ;STORE IT BECAUSE A WILL GET WIPED
|
||||
JMP FINISH
|
||||
***********************************************************************
|
||||
|
||||
COL80
|
||||
PUTC80 #' ';OURCH ;DISPLAY OUR CURSOR, INVERSE SPC
|
||||
|
||||
NEXTKEY
|
||||
JSR GETKEY ;LOAD "KEY" VARIABLE
|
||||
JSR DEL2BS ;CONVERT DELETE TO BACKSPACE
|
||||
***********************************************************************
|
||||
COL80
|
||||
STA (BASL),Y
|
||||
PUTC80 #' ';OURCH
|
||||
NEXTKEY JSR GETKEY80 ;GET KEYBOARD KEY IN ACCUMULATOR
|
||||
CMP #ESC ;IS IT ESC?
|
||||
BEQ NEXTKEY ;IGNORE ESC
|
||||
CMP #RTARROW ;IS IT A RIGHT ARROW
|
||||
BNE CLRCURS ;NOT RIGHT ARROW THEN DONE
|
||||
LDY OURCH ;GET HORIZONTAL CURSOR POSITION
|
||||
BNE NOT_ESC ;IGNORE ESC
|
||||
JSR ESCAPING ;HANDLE ESCAPE SEQUENCES
|
||||
JMP NEXTKEY
|
||||
NOT_ESC CMP #RTARROW ;IS IT A RIGHT ARROW
|
||||
BNE NOTRTARROW ;NOT RIGHT ARROW THEN DONE
|
||||
RTARROWHIT LDY OURCH ;GET HORIZONTAL CURSOR POSITION
|
||||
JSR PICK ;GRAB CHAR FROM SCREEN
|
||||
ORA #$80 ;SET HIGH BIT
|
||||
STA KEY
|
||||
NOTRTARROW JSR DEL2BS ;CONVERT DELETE TO BACKSPACE
|
||||
STA KEY ;IT WILL GET WIPED
|
||||
PUTC80 #" ";OURCH
|
||||
***********************************************************************
|
||||
|
||||
CLRCURS
|
||||
PUTC80 #" ";OURCH ;ERASE CURSOR
|
||||
|
||||
FINISH
|
||||
PLA ;RESTORE Y
|
||||
TAY
|
||||
PLA ;RESTORE X
|
||||
TAX
|
||||
FINISH POPYX ;RESTORE X AND Y
|
||||
LDA KEY ;LOAD RETURN VALUE
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* GETKEY SUBROUTINE *
|
||||
* GETKEY40 SUBROUTINE *
|
||||
* ORIGINAL CURSOR MUST BE IN A *
|
||||
* KEY TYPED IS PUT INTO A *
|
||||
* *
|
||||
********************************
|
||||
|
||||
GETKEY
|
||||
BIT KBD ;TEST FOR KEY PRESSED
|
||||
BPL GETKEY ;WAIT FOR KEY PRESSED
|
||||
GETKEY40 BIT KBD ;TEST FOR KEY PRESSED
|
||||
BPL GETKEY40 ;WAIT FOR KEY PRESSED
|
||||
STA (BASL),Y ;CLEAR CURSOR
|
||||
LDA KBD ;GET THE KEY THAT WAS PRESSED
|
||||
BIT KBDSTRB ;CLEAR KEYBOARD STROBE
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* GETKEY80 SUBROUTINE *
|
||||
* ORIGINAL CURSOR MUST BE IN A *
|
||||
* KEY TYPED IS PUT INTO A *
|
||||
* *
|
||||
********************************
|
||||
|
||||
GETKEY80 BIT KBD ;TEST FOR KEY PRESSED
|
||||
BPL GETKEY80 ;WAIT FOR KEY PRESSED
|
||||
LDA KBD ;GET THE KEY THAT WAS PRESSED
|
||||
BIT KBDSTRB ;CLEAR KEYBOARD STROBE
|
||||
STA KEY ;STORE THE KEY THAT WAS READ
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* DEL2BS SUBROUTINE *
|
||||
* *
|
||||
* PRECONDITIONS: *
|
||||
* 1. KEY IS IN ACCUMULATOR *
|
||||
* *
|
||||
* POSTCONDITIONS: *
|
||||
* 1. KEY IS IN ACCUMULATOR *
|
||||
* *
|
||||
********************************
|
||||
|
||||
DEL2BS
|
||||
CMP #DELETE ;IS THE KEY IN A THE DELETE KEY
|
||||
DEL2BS CMP #DELETE ;IS THE KEY IN A THE DELETE KEY
|
||||
BNE D2BDONE
|
||||
LDA #BKSPACE
|
||||
STA KEY
|
||||
D2BDONE
|
||||
RTS
|
||||
D2BDONE RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
|
|
Loading…
Reference in New Issue