Apple-2-SW/afscanner
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Working on key handling; added HandleKey for more structured general key handling. Added track movement to count page.

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This commit is contained in:
Rob Greene 2016-02-10 19:00:35 -06:00
parent 8b3684890a
commit 6f1daaefd9
7 changed files with 162 additions and 88 deletions
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114
afscanner.s
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@ -12,17 +12,19 @@
* - Split source into multiple files as one file finally got way too big.
* - Slowly switching from spaces to tabs as an experiment in code formatting.
* - Pages available:
* + About (default page)
* + Headers (updated Address Field Header information)
* + Browse track buffer (hilights Address Field Header bytes)
* + Graphical disk display
* + Buffer counts
* + About (default page)
* + Headers (updated Address Field Header information)
* + Browse track buffer (hilights Address Field Header bytes)
* + Graphical disk display
* + Buffer counts
*
******************************************************************************************
TYP SYS
XC ; enable 65C02
XC ; enable 65C02
use macros
* Program Locations
@ -32,51 +34,51 @@ ProgramLength = ProgramEnd-ProgramAddress
* Constants:
NUMBYTES = 29 ; Number of bytes on screen
OFFSETV = 3 ; Offset to volume
OFFSETT = OFFSETV+2 ; Offset to track
OFFSETS = OFFSETT+2 ; Offset to sector
OFFSETC = OFFSETS+2 ; Offset to checksum
FAILBYTS = 6656 ; Number of bytes before failure
NUMBYTES = 29 ; Number of bytes on screen
OFFSETV = 3 ; Offset to volume
OFFSETT = OFFSETV+2 ; Offset to track
OFFSETS = OFFSETT+2 ; Offset to sector
OFFSETC = OFFSETS+2 ; Offset to checksum
FAILBYTS = 6656 ; Number of bytes before failure
* 80 column card / print controls:
_PRBYTE = 1 ; print byte @ addr
_CLS = $8C ; clear screen
_INVERSE = $8F
_NORMAL = $8E
_MT_OFF = $98 ; disable MouseText
_HOME = $99 ; home the cursor, not cls
_MT_ON = $9B ; enable MouseText for uppercase inverse characters
_CLREOL = $9D ; clear to EOL
_PRBYTE = 1 ; print byte @ addr
_CLS = $8C ; clear screen
_INVERSE = $8F
_NORMAL = $8E
_MT_OFF = $98 ; disable MouseText
_HOME = $99 ; home the cursor, not cls
_MT_ON = $9B ; enable MouseText for uppercase inverse characters
_CLREOL = $9D ; clear to EOL
_C_APPLE = "@" ; Closed Apple
_O_APPLE = "A" ; Open Apple
_L_ARROW = "H" ; Left Arrow
_R_ARROW = "U" ; Right Arrow
_U_ARROW = "K" ; Up Arrow
_D_ARROW = "J" ; Down Arrow
_H_LINE = "S" ; Horizontal Line (full width)
_C_APPLE = "@" ; Closed Apple
_O_APPLE = "A" ; Open Apple
_L_ARROW = "H" ; Left Arrow
_R_ARROW = "U" ; Right Arrow
_U_ARROW = "K" ; Up Arrow
_D_ARROW = "J" ; Down Arrow
_H_LINE = "S" ; Horizontal Line (full width)
* Variable locations:
DUM $0 ; ZP locs
SAMPLES DFB 0 ; number of sector samples
CURTRK DFB 0 ; current track
DSTTRK DFB 0 ; destination track
DUM $0 ; ZP locs
SAMPLES DFB 0 ; number of sector samples
CURTRK DFB 0 ; current track
DSTTRK DFB 0 ; destination track
PTR DA 0 ; primary print pointer
PTR2 DA 0 ; secondary print pointer
SLOT16 DFB 0 ; slot# * 16
SLOT16 DFB 0 ; slot# * 16
COUNTER DA 0 ; fail counter
TEMP DFB 0 ; local variable
TEMP DFB 0 ; local variable
TEMPY DFB 0 ; local Y coordinate
DATA DA 0 ; data buffer
_init da 0 ; current page init
_display da 0 ; current page line display handler
_keypress da 0 ; current page keypress handler
scrolling dfb 0 ; flag for scrolling (in high bit)
noscroll dfb 0 ; flag for scrolling (in high bit)
topline dw 0 ; current line at top of page
maxlines dw 0 ; maximum number of lines available
printline dw 0 ; line being printed
@ -84,9 +86,9 @@ printline dw 0 ; line being printed
inbuf = $200 ; reusable buffer
DATASTART = $4000
DATAEND = $6000
DATALEN = DATAEND-DATASTART
DATASTART = $4000
DATAEND = $6000
DATALEN = DATAEND-DATASTART
PAGELEN = 20 ; number of lines displayed in content window
@ -104,8 +106,8 @@ DownArrow = CTRLJ
* ProDOS:
PRODOSMLI = $BF00
_MLIQUIT = $65
PRODOSMLI = $BF00
_MLIQUIT = $65
* ROM routines and associated addresses:
@ -115,7 +117,7 @@ HPOSN = $F411
HBAS = $26
DELAY = $FCA8
GETCH = $FD0C
GETCH = $FD0C
PRCR = $FD8E
PRHEX = $FDDA
COUT = $FDED
@ -140,7 +142,7 @@ OpenApple = $C061
sta PTR2+1
stz PTR2
ldy #0
ldx #>ProgramLength+255 ; account for non-zero low byte
ldx #>ProgramLength+255 ; account for non-zero low byte
:0 lda (PTR),y
sta (PTR2),y
iny
@ -163,21 +165,21 @@ MAIN lda #$4C ; JMP
lda #>ProgramAddress
sta USRADR+2
JSR $C300 ; Assuming 80 columns
JSR PRINT
DFB _CLS
ASC "AFScanner",$8D
DFB _MT_ON,_INVERSE,80,_H_LINE,_NORMAL,_MT_OFF ; wraps!
DFB 20,$8D
DFB _MT_ON,_INVERSE,80,_H_LINE,_NORMAL,_MT_OFF ; wraps!
ASC _MT_ON,_INVERSE,_L_ARROW,_NORMAL,", ",_INVERSE,_R_ARROW,_NORMAL,_MT_OFF," Track / "
ASC "re",_INVERSE,"S",_NORMAL,"can / "
ASC _INVERSE,"R",_NORMAL,"ecalibrate / "
ASC "goto ",_INVERSE,"T",_NORMAL,"rack / "
ASC _INVERSE,"ESC",_NORMAL," quit"
DFB _HOME
HEX 8D8D
HEX 00
JSR $C300 ; Assuming 80 columns
JSR PRINT
DFB _CLS
ASC "AFScanner",$8D
DFB _MT_ON,_INVERSE,80,_H_LINE,_NORMAL,_MT_OFF ; wraps!
DFB 20,$8D
DFB _MT_ON,_INVERSE,80,_H_LINE,_NORMAL,_MT_OFF ; wraps!
ASC _MT_ON,_INVERSE,_L_ARROW,_NORMAL,", ",_INVERSE,_R_ARROW,_NORMAL,_MT_OFF," Track / "
ASC "re",_INVERSE,"S",_NORMAL,"can / "
ASC _INVERSE,"R",_NORMAL,"ecalibrate / "
ASC "goto ",_INVERSE,"T",_NORMAL,"rack / "
ASC _INVERSE,"ESC",_NORMAL," quit"
DFB _HOME
HEX 8D8D
HEX 00
* Setup local variables

11
macros.s Normal file
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@ -0,0 +1,11 @@
******************************************************************************************
*
* Macros
* ========================================================================================
*
******************************************************************************************
MenuKey mac
dfb ]1
da ]2
<<<

2
page-browse.s
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@ -94,5 +94,5 @@ BrowseDisplay ; Called with Acc = line
jmp PRCR
BrowseKeypress ; Called with Acc = key
jmp FieldKeypress ; identical to Field ... for now at least
jmp TrackNavigationKeys

8
page-count.s
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@ -46,10 +46,10 @@ CountInit ; Returns with A:Y = max lines, C = scrolling
CountDisplay ; Called with A:Y = line
jsr PRINT
dfb $8D
dfb 14
dfb _CLREOL,$8D
dfb 14 ; repeat the next space 14x
asc " Low +0 +1 +2 +3 +4 +5 +6 +7 High",$8D
dfb 19
dfb 19 ; repeat the next space 19x
asc " ==== ==== ==== ==== ==== ==== ==== ====",$8D
dfb 0
@ -148,7 +148,7 @@ CountKeypress ; Called with Acc = key
inx
cpx #4
bne :test
jmp KeyboardWait
jmp TrackNavigationKeys
:keys asc "-036"
:set stx CountSettings

2
page-field.s
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@ -104,6 +104,8 @@ FieldDisplay ; Called with A:Y = line
:groups dfb 3,2,2,2,2,3
FieldKeypress ; Called with Acc = key
TrackNavigationKeys
ldx #-1
cmp #LARROW
beq :chgtrk

70
page.s
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@ -5,7 +5,6 @@
*
******************************************************************************************
SetupPage
jsr TEXT ; ensure we are out of graphics modes as application has some!
jsr PRINT ; position cursor on bottom line
@ -15,7 +14,7 @@ SetupPage
dfb $00
ldx #_init ; vector offset
jsr _VCALL
ror scrolling ; set flag based on C
ror noscroll ; set flag based on C
sty maxlines
sta maxlines+1
stz topline
@ -26,7 +25,7 @@ DrawPage
dfb _HOME,$8d,$8d,0
; If we aren't scrolling, call _display vector ONCE and then handle keyboard.
bit scrolling
bit noscroll
bpl :scroll
lda #0
tay
@ -34,6 +33,7 @@ DrawPage
jsr _VCALL
jmp KeyboardWait
; We are scrolling, for each line, redraw it
:scroll lda #0
:loop pha
clc
@ -47,7 +47,7 @@ DrawPage
lda printline
cmp maxlines
bge :erase
:drwlin lda printline+1
ldy printline
ldx #_display
@ -62,6 +62,7 @@ DrawPage
cmp #PAGELEN
blt :loop
; Handle all keyboard interactions
KeyboardWait
lda KEYBOARD
bpl KeyboardWait
@ -73,53 +74,68 @@ KeyboardWait
and #$df ; uppercase mask
:goodky sta KEYCLEAR
bit OpenApple
bpl :normal
bpl :keys
; OpenApple handler
jsr SetScreen
bcs :paging
bcs :oakeys
jsr CLRSCRN
jmp SetupPage
; Standard open-apple keys that are always available
:oakeys jsr HandleKey
MenuKey "Q";:Quit
MenuKey "*";:Mon
dfb 0
; Open-Apple arrow keys only if scrolling is enabled
bit noscroll
bmi :local0
jsr HandleKey
MenuKey UpArrow;:PgUp
MenuKey DownArrow;:PgDn
dfb 0
:local0 jmp :local
; Normal key handler (only when scrolling)
:keys bit noscroll
bmi :local0
jsr HandleKey
MenuKey UpArrow;:Up
MenuKey DownArrow;:Down
dfb 0
jmp :local
; OA-Up
:paging cmp #UpArrow
bne :nPgUp
ldy #15
:PgUp ldy #15
:uploop jsr :up1
dey
bne :uploop
beq :back ; always
; OA-Down
:nPgUp cmp #DownArrow
bne :chkOAQ
ldy #15
:PgDn ldy #15
:dnloop jsr :down1
dey
bne :dnloop
beq :back ; always
; OA-Q
:chkOAQ cmp #"Q"
bne :chkOA7
jsr PRODOSMLI
:Quit jsr PRODOSMLI
dfb _MLIQUIT
da QUITPARM
:back jmp DrawPage ; fall through and common return
; OA-*
:chkOA7 cmp #"*"
bne :back
jsr PRINT
:Mon jsr PRINT
asc _CLS,"Press CTRL-Y to re-enter AFScanner.",$8D,$00
jmp MONITOR
; Common keypress handler
; Up
:normal cmp #UpArrow
bne :notUp
jsr :up1
:Up jsr :up1
jmp DrawPage
; Down
:notUp cmp #DownArrow
bne :pgKey
jsr :down1
:Down jsr :down1
jmp DrawPage
; "Local" subroutines
@ -156,12 +172,12 @@ KeyboardWait
sta topline+1
:rts rts
:pgKey ldx #_keypress
:local ldx #_keypress
; Fall through and JMP to _keypress which takes control for local page keys
* Simple vector call from ZP based on X register
_VCALL jmp: ($00,x) ; Merlin32 needs to know 16 bit JMP
_VCALL jmp: ($00,x) ; Merlin32 needs to know 16 bit JMP, ":" does that
* Handle screen change - both called by app init and normal keyboard handler

43
util.s
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@ -144,3 +144,46 @@ QUITPARM DFB 4 ; 4 parameters
DA 0 ; reserved
DFB 0 ; reserved
DA 0 ; reserved
; On entry:
; Acc = keypress
; Stack = address of table (format: key address key address 0)
; Will not return if key found, a JMP will be performed.
; If not found, return with carry set.
HandleKey
sta TEMP
pla
sta PTR
pla
sta PTR+1
ldy #0
:next
iny
lda (PTR),y
bpl :notFound
cmp TEMP
beq :jmp
iny
iny
bra :next
; Jump to keypress handler
:jmp iny
lda (PTR),y
sta PTR2
iny
lda (PTR),y
sta PTR2+1
jmp (PTR2)
; Not found - return to caller (Y + PTR = return address - 1)
:notFound
clc
tya
adc PTR
tax
lda #0
adc PTR+1
pha
phx
lda TEMP
sec
rts