mirror of https://github.com/a2stuff/vnIIc.git
pull more out of core client src
This commit is contained in:
Joshua Bell
parent
f92ef31fe4
commit
efeff6cdb9
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1176
client/client.list
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client/client.list
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Load Diff
217
client/client.s
217
client/client.s
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@ -1,75 +1,31 @@
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PADDLE_SUPPORT = 1
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;;; MOUSE_SUPPORT = 1
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;;;---------------------------------------------------------
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;;; Super Serial constants/locations
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;;;---------------------------------------------------------
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;;; These get incremented by the slot where they appear
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UACTRL = $C08B ; Control Register
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UACMND = $C08A ; Command Register
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UASTAT = $C089 ; Status Register
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UADATA = $C088 ; Data Register - incoming and outgoing data
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.include "apple2.inc"
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;;;---------------------------------------------------------
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;;; Hi-res graphics constants/locations
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;;;---------------------------------------------------------
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PLOTPAGE = $E6 ; Active hires plotting page (Applesoft)
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PLOTPAGE1 = $20
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PLOTPAGE2 = $40
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PAGESIZE = $20 ; Size of hi-res screen in pages
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CLRTEXT = $C050 ;display graphics
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SETTEXT = $C051 ;display text
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CLRMIXED = $C052 ;clear mixed mode- enable full graphics
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SETMIXED = $C053 ;enable graphics/text mixed mode
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PAGE1 = $C054 ;select text/graphics page1
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PAGE2 = $C055 ;select text/graphics page2
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CLRHIRES = $C056 ;select Lo-res
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SETHIRES = $C057 ;select Hi-res
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PLOTPAGE := $E6 ; Active hires plotting page (Applesoft)
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PLOTPAGE1 := $20
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PLOTPAGE2 := $40
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PAGESIZE := $20 ; Size of hi-res screen in pages
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;;;---------------------------------------------------------
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;;; Keyboard input constants/locations
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;;; ROM routines
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;;;---------------------------------------------------------
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KEYBD = $C000 ; key down in bit 7; key code in lower bits
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STROBE = $C010 ; write to clear key down state
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OPNAPPLE = $C061 ; open apple (command) key data (read)
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CLSAPPLE = $C062 ; closed apple (option) key data (read)
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PB2 = $C063 ; Paddle button 2 (read)
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PB3 = $C060 ; Paddle button 3 (read)
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;;;---------------------------------------------------------
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;;; Paddle/Joystick constants/locations/routines
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;;;---------------------------------------------------------
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PADDLE0 = $C064 ; bit 7 = status of pdl-0 timer (read)
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PADDLE1 = $C065 ; bit 7 = status of pdl-1 timer (read)
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PADDLE2 = $C066 ; bit 7 = status of pdl-2 timer (read)
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PADDLE3 = $C067 ; bit 7 = status of pdl-3 timer (read)
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PDLTRIG = $C070 ; trigger paddles
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PREAD = $FB1E ; Monitor paddle reading routine, call
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; with paddle # in X, returns value in Y
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PREAD := $FB1E ; Monitor paddle reading routine, call
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; with paddle # in X, returns value in Y
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;;;---------------------------------------------------------
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;;; Other
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;;;---------------------------------------------------------
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SLOT_CASE = $c000 ; Firmware for slots are at $cx00
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MAX_SLOT = 7 ; Maximum slot # on an Apple II
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ZP = $FA ; Write cursor location on zero page
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ESCAPE = $80 ; Unused image data byte (all black2)
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ESCAPE2 = $FF ; Unused image data byte (all white2)
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MAX_SLOT := 7 ; Maximum slot # on an Apple II
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ZP_PTR := $FA ; Write cursor location on zero page
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;;;---------------------------------------------------------
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;;; Generic Macros
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@ -97,9 +53,9 @@ ESCAPE2 = $FF ; Unused image data byte (all white2)
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;;;-------------------------------------------------------------------
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;
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;;;
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;;; Application-level logic
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;
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;;;
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;;;-------------------------------------------------------------------
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@ -113,6 +69,29 @@ ESCAPE2 = $FF ; Unused image data byte (all white2)
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.endif ; MOUSE_SUPPORT
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;;;-------------------------------------------------------------------
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;;; Variables
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;;;-------------------------------------------------------------------
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;;; Application configuration
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PSPEED: .byte SSC::BPS_115k ; Hardcoded for Apple IIc (TODO: Allow configuration)
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PSLOT: .byte 2 ; Hardcoded for Apple IIc (TODO: Allow configuration)
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PEXIT: .byte 0 ; Set when it's time to exit (Not Yet Implemented)
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;;; Keyboard state
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LASTKB: .byte 0
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LASTOA: .byte 0
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LASTCA: .byte 0
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.ifdef PADDLE_SUPPORT
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;;; Paddle state
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LASTP0: .byte 0
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LASTP1: .byte 0
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.endif ; PADDLE_SUPPORT
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;;;---------------------------------------------------------
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.proc AppEntry
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;;;---------------------------------------------------------
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@ -133,16 +112,16 @@ ESCAPE2 = $FF ; Unused image data byte (all white2)
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;;; Clean up and exit app
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;;;---------------------------------------------------------
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jsr SSC::Reset
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sta PAGE1
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sta SETTEXT
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sta LOWSCR
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sta TXTSET
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rts
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.endproc
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;;;-------------------------------------------------------------------
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;
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;;;
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;;; Main loop functionality
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;
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;;;
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;;;-------------------------------------------------------------------
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@ -166,27 +145,27 @@ ESCAPE2 = $FF ; Unused image data byte (all white2)
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.proc ReceivePage
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;;;---------------------------------------------------------
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;;; Pull a hi-res page down over serial
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;
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;;;
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;;; Protocol is:
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;;; * Recieve 256 bytes (graphic data)
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;;; * Send 1 byte (input state)
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;;;---------------------------------------------------------
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lda #0 ; set up write pointer
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sta ZP
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sta ZP_PTR
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lda PLOTPAGE
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sta ZP+1
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sta ZP_PTR+1
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ldx #PAGESIZE ; plan to receive this many pages
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ldy #0
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: jsr SSC::Get ; TODO: look for escape codes in the sequence
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sta (ZP),Y
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sta (ZP_PTR),Y
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iny
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bne :- ; Do a full page...
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jsr SendInputState ; brief moment to send data back upstream
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inc ZP+1
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inc ZP_PTR+1
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dex
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bne :- ; ...as many pages as we need
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rts
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@ -194,29 +173,29 @@ ESCAPE2 = $FF ; Unused image data byte (all white2)
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;;;-------------------------------------------------------------------
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;
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;;;
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;;; Input device routines
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;
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;;;
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;;;-------------------------------------------------------------------
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;;; Protocol:
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;;; $7f - $ff - key down, ASCII code + $80
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;;; otherwise, a transition:
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;
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;;;
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SIS_KBUP = $00 ; Key up
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SIS_OADOWN = $01 ; Open Apple transitioned to down
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SIS_OAUP = $02 ; Open Apple transitioned to up
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SIS_CADOWN = $03 ; Closed Apple transitioned to down
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SIS_CAUP = $04 ; Closed Apple transitioned to up
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;
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;;;
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;;; $05 - $0f : reserved
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;
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;;;
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SIS_MX = $10 ; Mouse X high nibble
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SIS_MY = $20 ; Mouse Y high nibble
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SIS_PDL0 = $30 ; Paddle 0 high nibble
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SIS_PDL1 = $40 ; Paddle 1 high nibble
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;
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;;;
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;;; $50 - $7e : reserved
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;
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;;;
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SIS_SYNC = $7f
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;;;---------------------------------------------------------
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@ -259,7 +238,7 @@ ESCAPE2 = $FF ; Unused image data byte (all white2)
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;;;---------------------------------------------------------
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;;; Send keyboard joystick and/or mouse state over the
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;;; serial port
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;
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;;;
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;;; Algorithm:
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;;; - Send key state (if it changed)
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;;; - otherwise send open-apple state (if it changed)
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@ -275,22 +254,22 @@ ESCAPE2 = $FF ; Unused image data byte (all white2)
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;;;--------------------------------------
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;;; Send key state, if it changed
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;;; NOTE: Can't use STROBE to detect key up -> key down transition
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;;; NOTE: Can't use KBDSTRB to detect key up -> key down transition
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;;; since the msb can change before the key code. Instead, consider
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;;; these cases:
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;
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;;; OLD STATE KEYBD STROBE RESULT
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;;;
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;;; OLD STATE KBD KBDSTRB RESULT
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;;; Up Up - No-op
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;;; Up Down - Save and send key down
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;;; Down - Up Save and send key up
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;;; Down - Down Save and send key ONLY if different
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;
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;;;
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lda LASTKB
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bne KEY_WAS_DOWN
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KEY_WAS_UP:
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lda KEYBD ; Read keyboard
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lda KBD ; Read keyboard
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bpl END_KEY ; - still up
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sta LASTKB ; Down, so save it
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jsr SSC::Put ; and send it
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@ -299,14 +278,14 @@ KEY_WAS_UP:
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KEY_WAS_DOWN:
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; key was down - strobe should match
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; unless the key changed or was released
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lda STROBE
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bmi STROBE_DOWN
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STROBE_UP:
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lda KBDSTRB
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bmi KBDSTRB_DOWN
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KBDSTRB_UP:
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lda #SIS_KBUP ; Key was released
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sta LASTKB ; so save it
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jsr SSC::Put ; and send it
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jmp DONE
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STROBE_DOWN:
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KBDSTRB_DOWN:
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cmp LASTKB ; Same key as last time?
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beq END_KEY ; - no change
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sta LASTKB ; New key, so save it
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@ -319,10 +298,10 @@ END_KEY:
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;;; Send Open Apple state, if it changed
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;;; TODO: Can simplify this code if we make the high bits the same
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;;; for both OA states and bit = 0 down: lda OPNAPPLE ; ROL ; LDA #0 ; ROL ; ORA #signature
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;;; for both OA states and bit = 0 down: lda BUTN0 ; ROL ; LDA #0 ; ROL ; ORA #signature
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TEST_OA:
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lda OPNAPPLE ; Test Open Apple state
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lda BUTN0 ; Test Open Apple state
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bmi OA_IS_DOWN
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OA_IS_UP:
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lda #SIS_OAUP
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@ -345,7 +324,7 @@ END_OA:
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;;; Send Closed Apple state, if it changed
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TEST_CA:
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lda CLSAPPLE ; Has the Open Apple/Button 1 value changed?
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lda BUTN1 ; Has the Open Apple/Button 1 value changed?
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bmi CA_IS_DOWN
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CA_IS_UP:
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lda #SIS_CAUP
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@ -430,9 +409,9 @@ DONE:
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;;;-------------------------------------------------------------------
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;
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;;;
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;;; Hi-res graphics routines
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;
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;;;
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;;;-------------------------------------------------------------------
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;;;---------------------------------------------------------
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@ -445,10 +424,10 @@ DONE:
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jsr ClearHires
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jsr FlipHires ; then show it and flip to 2
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sta SETHIRES
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sta CLRTEXT
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sta CLRMIXED
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sta PAGE1
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sta HIRES
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sta TXTCLR
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sta MIXCLR
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sta LOWSCR
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rts
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.endproc
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@ -465,12 +444,12 @@ DONE:
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cmp #PLOTPAGE1
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beq :+
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sta PAGE2 ; page 2 - so show it
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sta HISCR ; page 2 - so show it
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lda #PLOTPAGE1 ; and plot on page 1
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sta PLOTPAGE
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rts
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: sta PAGE1 ; page 1 - so show it
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: sta LOWSCR ; page 1 - so show it
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lda #PLOTPAGE2 ; and plot on page 2
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sta PLOTPAGE
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rts
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@ -481,60 +460,20 @@ DONE:
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.proc ClearHires
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;;;---------------------------------------------------------
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;;; Clear hires plotting page (selected in PLOTPAGE) to
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;;; black uses ZP; not terribly efficient
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;;; black uses ZP_PTR; not terribly efficient
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;;;---------------------------------------------------------
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lda #0 ; Set up ZP as a pointer into the hires page
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sta ZP
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lda #0 ; Set up ZP_PTR as a pointer into the hires page
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sta ZP_PTR
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lda PLOTPAGE
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sta ZP+1
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sta ZP_PTR+1
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ldx #PAGESIZE ; Clear this many pages
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lda #0 ; with black!
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tay
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: sta (ZP),Y
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: sta (ZP_PTR),Y
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iny
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bne :-
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inc ZP+1
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inc ZP_PTR+1
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dex
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bne :-
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rts
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.endproc
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;;;-------------------------------------------------------------------
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;
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;;; Lookup Tables and Variable Storage
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;
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;;;-------------------------------------------------------------------
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;;; Lookup table for UACTRL register, by baud rate
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BPSCTRL: .byte $16,$1E,$1F,$10 ; 300, 9600, 19200, 115k (with 8 data bits, 1 stop bit, no echo)
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.enum
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BPS_300
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BPS_9600
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BPS_19200
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BPS_115k
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.endenum
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CMND_NRDI = $0B ; Command: no parity, RTS on, DTR on, no interrupts
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;;; Application configuration
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PSPEED: .byte BPS_115k ; Hardcoded for Apple IIc (TODO: Allow configuration)
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PSLOT: .byte 2 ; Hardcoded for Apple IIc (TODO: Allow configuration)
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PEXIT: .byte 0 ; Set when it's time to exit (Not Yet Implemented)
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;;; Keyboard state
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LASTKB: .byte 0
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LASTOA: .byte 0
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LASTCA: .byte 0
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.ifdef PADDLE_SUPPORT
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;;; Paddle state
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LASTP0: .byte 0
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LASTP1: .byte 0
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.endif ; PADDLE_SUPPORT
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@ -3,7 +3,6 @@
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;;; Mouse
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;;;
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;;;-------------------------------------------------------------------
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.error "Mouse support not fully implemented"
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.proc Mouse
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@ -14,30 +13,32 @@
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;;; For READMOUSE and POSMOUSE
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MOUSE_X_LSB = $0478 ; + slot Low byte of absolute X position
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MOUSE_X_MSB = $0578 ; + slot High byte of absolute X position
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MOUSE_Y_LSB = $04F8 ; + slot Low byte of absolute Y position
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MOUSE_Y_MSB = $05F8 ; + slot High byte of absolute Y position
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MOUSE_RSV1 = $0678 ; + slot Reserved and used by the firmware
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MOUSE_RSV2 = $06F8 ; + slot Reserved and used by the firmware
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MOUSE_BTN = $0778 ; + slot Button 0/1 interrupt status byte
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MOUSE_MODE = $07F8 ; + slot Mode byte
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MOUSE_X_LSB := $0478 ; + slot Low byte of absolute X position
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MOUSE_X_MSB := $0578 ; + slot High byte of absolute X position
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MOUSE_Y_LSB := $04F8 ; + slot Low byte of absolute Y position
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MOUSE_Y_MSB := $05F8 ; + slot High byte of absolute Y position
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MOUSE_RSV1 := $0678 ; + slot Reserved and used by the firmware
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MOUSE_RSV2 := $06F8 ; + slot Reserved and used by the firmware
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MOUSE_BTN := $0778 ; + slot Button 0/1 interrupt status byte
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MOUSE_MODE := $07F8 ; + slot Mode byte
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;;; For CLAMPMOUSE:
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MOUSE_CMIN_LSB = $0478 ; low byte of low clamp
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MOUSE_CMIN_MSB = $0578 ; high byte of low clamp
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MOUSE_CMAX_LSB = $04F8 ; low byte of high clamp
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MOUSE_CMAX_MSB = $05F8 ; high byte of high clamp
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MOUSE_CMIN_LSB := $0478 ; low byte of low clamp
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MOUSE_CMIN_MSB := $0578 ; high byte of low clamp
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MOUSE_CMAX_LSB := $04F8 ; low byte of high clamp
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MOUSE_CMAX_MSB := $05F8 ; high byte of high clamp
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MOUSE_CLAMP_X = 0 ; Value for A when setting X clamp with CLAMPMOUSE
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MOUSE_CLAMP_Y = 1 ; Value for A when setting X clamp with CLAMPMOUSE
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MOUSE_CLAMP_X := 0 ; Value for A when setting X clamp with CLAMPMOUSE
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MOUSE_CLAMP_Y := 1 ; Value for A when setting X clamp with CLAMPMOUSE
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;;; Mouse ID bytes
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MOUSEID_MAX = 4
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MOUSEID_MAX := 4
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MOUSEID_ADDR: .byte $05, $07, $0b, $0c, $fb
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MOUSEID_VAL: .byte $38, $18, $01, $20, $d6
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SLOT_BASE := $C000
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;;;--------------------------------------------------
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;;; Data
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;;;--------------------------------------------------
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@ -54,12 +55,12 @@ LAST_MY: .byte $7f
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MOUSEPTR = $EB ; Zero page location
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MOUSE_MIN_X = $10
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MOUSE_MAX_X = $1f
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MOUSE_CENTER_X = $17
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MOUSE_MIN_Y = $20
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MOUSE_MAX_Y = $2f
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MOUSE_CENTER_Y = $2f
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MOUSE_MIN_X := $10
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MOUSE_MAX_X := $1f
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MOUSE_CENTER_X := $17
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MOUSE_MIN_Y := $20
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MOUSE_MAX_Y := $2f
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MOUSE_CENTER_Y := $2f
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;;;--------------------------------------------------
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|
|
@ -122,14 +123,14 @@ TESTSLOT:
|
|||
tya
|
||||
clc
|
||||
adc #>SLOT_BASE ; Firmware is $c0 + slot
|
||||
sta MOD_MOUSE_ID + 2 ; Update msb of signature test
|
||||
sta slot_addr + 1 ; Update msb of signature test
|
||||
ldx #MOUSEID_MAX ; This many signature bytes
|
||||
|
||||
TESTID:
|
||||
lda MOUSEID_ADDR,x
|
||||
sta MOD_MOUSE_ID + 1 ; Update lsb of signature test
|
||||
MOD_MOUSE_ID:
|
||||
lda SLOT_BASE
|
||||
slot_addr := *+1
|
||||
lda SLOT_BASE ; Self-modified
|
||||
cmp MOUSEID_VAL,x ; Does it match the signature?
|
||||
bne NOMATCH ; Nope - try the next slot
|
||||
dex ; Yes! Keep testing
|
||||
|
|
@ -215,28 +216,30 @@ INITMOUSE: ldy #$19
|
|||
lda (MOUSEPTR),Y ; Get the routine entry point
|
||||
sta TOMOUSE_lsb ; Patch the JMP instruction
|
||||
txa ; Restore the value in A
|
||||
.endproc
|
||||
; fall through
|
||||
|
||||
;;; The following operand bytes must be patched by the
|
||||
;;; initialization code which detects the mouse.
|
||||
|
||||
BANK = $C054
|
||||
BANK := $C054
|
||||
|
||||
TOMOUSE:
|
||||
TOMOUSE_Cn := *+1
|
||||
ldx #$C1 ; Set up slot in $Cn form in X
|
||||
TOMOUSE_n0 := *+1
|
||||
ldy #$10 ; Set up slot in $n0 form in Y
|
||||
php ; Save interrupt state
|
||||
sei ; No interrupts while calling
|
||||
bit BANK
|
||||
jsr SLOT_BASE ; Go to the mouse routine
|
||||
TOMOUSE_slot := *+1
|
||||
jsr 0 ; Go to the mouse routine
|
||||
plp ; Restore interrupt state
|
||||
rts
|
||||
.endproc
|
||||
|
||||
TOMOUSE_Cn = TOMOUSE + 1
|
||||
TOMOUSE_n0 = TOMOUSE + 3
|
||||
TOMOUSE_lsb = TOMOUSE + 10
|
||||
TOMOUSE_msb = TOMOUSE + 11
|
||||
TOMOUSE_Cn := GoMouse::TOMOUSE_Cn
|
||||
TOMOUSE_n0 := GoMouse::TOMOUSE_n0
|
||||
TOMOUSE_lsb := GoMouse::TOMOUSE_slot
|
||||
TOMOUSE_msb := GoMouse::TOMOUSE_slot+1
|
||||
|
||||
|
||||
;;; TODO: Turn this into a proper delta-sending routine
|
||||
|
|
@ -290,4 +293,4 @@ DONE:
|
|||
|
||||
.endproc
|
||||
|
||||
.endproc
|
||||
.endproc
|
||||
|
|
|
|||
|
|
@ -8,6 +8,29 @@
|
|||
|
||||
.proc SSC
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
;;; Super Serial constants/locations
|
||||
;;;---------------------------------------------------------
|
||||
|
||||
;;; These get incremented by the slot where they appear
|
||||
UACTRL = $C08B ; Control Register
|
||||
UACMND = $C08A ; Command Register
|
||||
UASTAT = $C089 ; Status Register
|
||||
UADATA = $C088 ; Data Register - incoming and outgoing data
|
||||
|
||||
;;; Lookup table for UACTRL register, by baud rate
|
||||
|
||||
BPSCTRL: .byte $16,$1E,$1F,$10 ; 300, 9600, 19200, 115k (with 8 data bits, 1 stop bit, no echo)
|
||||
.enum
|
||||
BPS_300
|
||||
BPS_9600
|
||||
BPS_19200
|
||||
BPS_115k
|
||||
.endenum
|
||||
|
||||
CMND_NRDI = $0B ; Command: no parity, RTS on, DTR on, no interrupts
|
||||
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc Init
|
||||
;;;---------------------------------------------------------
|
||||
|
|
@ -24,15 +47,14 @@
|
|||
ldy PSPEED ; Control register: look up by baud rate (8 data bits, 1 stop bit)
|
||||
lda BPSCTRL,Y
|
||||
sta $C003,X
|
||||
stx MOD_UADATA_1+1 ; Modify references to
|
||||
stx MOD_UADATA_2+1 ; UADATA to point at
|
||||
stx MOD_UADATA_3+1 ; correct slot (UADATA+S0)
|
||||
stx MOD_UADATA_1 ; Modify references to
|
||||
stx MOD_UADATA_2 ; UADATA to point at
|
||||
stx MOD_UADATA_3 ; correct slot (UADATA+S0)
|
||||
inx
|
||||
stx MOD_UASTAT_1+1 ; Modify reference to
|
||||
stx MOD_UASTAT_2+1 ; UASTAT to point at
|
||||
stx MOD_UASTAT_3+1 ; correct slot (UASTAT+S0)
|
||||
stx MOD_UASTAT_1 ; Modify reference to
|
||||
stx MOD_UASTAT_2 ; UASTAT to point at
|
||||
stx MOD_UASTAT_3 ; correct slot (UASTAT+S0)
|
||||
rts
|
||||
|
||||
.endproc
|
||||
|
||||
|
||||
|
|
@ -42,13 +64,13 @@
|
|||
;;; Send accumulator out the serial port
|
||||
;;;---------------------------------------------------------
|
||||
pha ; Push A onto the stack
|
||||
MOD_UASTAT_1:
|
||||
MOD_UASTAT_1 := *+1
|
||||
: lda UASTAT ; Check status bits
|
||||
and #$70
|
||||
cmp #$10
|
||||
bne :- ; Output register is full, so loop
|
||||
pla
|
||||
MOD_UADATA_1:
|
||||
MOD_UADATA_1 := *+1
|
||||
sta UADATA ; Put character
|
||||
rts
|
||||
.endproc
|
||||
|
|
@ -60,12 +82,12 @@ MOD_UADATA_1:
|
|||
;;;---------------------------------------------------------
|
||||
;;; Read a character from the serial port to the accumulator
|
||||
;;;---------------------------------------------------------
|
||||
MOD_UASTAT_2:
|
||||
MOD_UASTAT_2 := *+1
|
||||
lda UASTAT ; Check status bits
|
||||
and #$68
|
||||
cmp #$8
|
||||
bne Get ; Input register empty, loop
|
||||
MOD_UADATA_2:
|
||||
MOD_UADATA_2 := *+1
|
||||
lda UADATA ; Get character
|
||||
rts
|
||||
.endproc
|
||||
|
|
@ -77,7 +99,7 @@ MOD_UADATA_2:
|
|||
;;;---------------------------------------------------------
|
||||
;;; Read a character from the serial port to the accumulator
|
||||
;;;---------------------------------------------------------
|
||||
MOD_UASTAT_3:
|
||||
MOD_UASTAT_3 := *+1
|
||||
lda UASTAT ; Check status bits
|
||||
and #$68
|
||||
cmp #$8
|
||||
|
|
@ -91,7 +113,7 @@ MOD_UASTAT_3:
|
|||
;;;---------------------------------------------------------
|
||||
;;; Clean up serial port
|
||||
;;;---------------------------------------------------------
|
||||
MOD_UADATA_3:
|
||||
MOD_UADATA_3 := *+1
|
||||
bit UADATA
|
||||
rts
|
||||
.endproc
|
||||
|
|
|
|||
Loading…
Reference in New Issue