mirror of https://github.com/a2stuff/vnIIc.git
client rewrite
This commit is contained in:
Joshua Bell
parent
a094909c8c
commit
6df3ef7096
Binary file not shown.
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@ -9,7 +9,7 @@ Current file: client.s
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000000r 1 ;;;-------------------------------------------------------------------
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000000r 1
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000000r 1 PADDLE_SUPPORT = 1
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000000r 1 ;;; MOUSE_SUPPORT = 1
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000000r 1 MOUSE_SUPPORT = 1
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000000r 1
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000000r 1 .include "apple2.inc"
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000000r 2
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@ -127,8 +127,6 @@ Current file: client.s
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000000r 1
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000000r 1 MAX_SLOT := 7 ; Maximum slot # on an Apple II
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000000r 1
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000000r 1 ZP_PTR := $FA ; Write cursor location on zero page
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000000r 1
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000000r 1 ;;;-------------------------------------------------------------------
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000000r 1 ;;; Protocol:
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000000r 1 ;;;-------------------------------------------------------------------
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@ -157,7 +155,7 @@ Current file: client.s
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000000r 1 ;;;-------------------------------------------------------------------
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000000r 1
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000000r 1 .org $6000
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006000 1 4C 5B 60 jmp AppEntry
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006000 1 4C 8A 61 jmp AppEntry
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006003 1
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006003 1 .include "ssc.inc"
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006003 2 ;;;-------------------------------------------------------------------
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@ -205,7 +203,7 @@ Current file: client.s
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00600D 2 AA tax
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00600E 2 A9 0B lda #CMND_NRDI ; Command register: no parity, RTS on, DTR on, no interrupts
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006010 2 9D 02 C0 sta $C002,X
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006013 2 AC 58 60 ldy PSPEED ; Control register: look up by baud rate (8 data bits, 1 stop bit)
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006013 2 AC 87 61 ldy PSPEED ; Control register: look up by baud rate (8 data bits, 1 stop bit)
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006016 2 B9 03 60 lda BPSCTRL,Y
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006019 2 9D 03 C0 sta $C003,X
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00601C 2 8E 3C 60 stx MOD_UADATA_1 ; Modify references to
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@ -281,292 +279,604 @@ Current file: client.s
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006058 1
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006058 1 .ifdef MOUSE_SUPPORT
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006058 1 .include "mouse.inc"
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006058 1 .endif
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006058 1
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006058 1
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006058 1 ;;;-------------------------------------------------------------------
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006058 1 ;;; Variables
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006058 1 ;;;-------------------------------------------------------------------
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006058 1
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006058 1 ;;; Application configuration
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006058 1 03 PSPEED: .byte SSC::BPS_115k ; Hardcoded for Apple IIc (TODO: Allow configuration)
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006059 1 02 PSLOT: .byte 2 ; Hardcoded for Apple IIc (TODO: Allow configuration)
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00605A 1 00 PEXIT: .byte 0 ; Set when it's time to exit (Not Yet Implemented)
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00605B 1
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00605B 1
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00605B 1 ;;;---------------------------------------------------------
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00605B 1 ;;; Initialize the application, and enter the main loop
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00605B 1
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00605B 1 .proc AppEntry
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00605B 1 AD 59 60 lda PSLOT ; Use slot 2
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00605E 1 20 07 60 jsr SSC::Init ; Initialize Super Serial Card
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006061 1 20 2B 61 jsr InitHires ; Initialize Hi-Res graphics
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006064 1 20 A5 60 jsr InitInput ; Initialize input devices
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006067 1 20 74 60 jsr MainLoop
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00606A 1 ;; fall through
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00606A 1 .endproc
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00606A 1
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00606A 1 ;;;---------------------------------------------------------
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00606A 1 ;;; Clean up and exit app
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00606A 1
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00606A 1 .proc AppExit
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00606A 1 20 54 60 jsr SSC::Reset
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00606D 1 8D 54 C0 sta LOWSCR
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006070 1 8D 51 C0 sta TXTSET
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006073 1 60 rts
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006074 1 .endproc
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006074 1
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006074 1 ;;;-------------------------------------------------------------------
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006074 1 ;;;
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006074 1 ;;; Main loop functionality
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006074 1 ;;;
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006074 1 ;;;-------------------------------------------------------------------
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006074 1
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006074 1
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006074 1 ;;;---------------------------------------------------------
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006074 1 .proc MainLoop
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006074 1
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006074 1 ;;; TODO: Sort out the protocol - should be able to send
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006074 1 ;;; input state without receiving data
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006074 1 ;;; jsr SSC::HasData ; Anything to read?
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006074 1 ;;; bne :+ ; Nope
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006074 1
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006074 1 20 7E 60 : jsr ReceivePage
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006077 1 ;; Input is sent every 256 bytes (32 times per page)
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006077 1 20 42 61 jsr FlipHires
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00607A 1
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00607A 1 4C 74 60 jmp :- ; TODO: define an exit trigger
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00607D 1 60 rts
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00607E 1 .endproc
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00607E 1
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00607E 1
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00607E 1 ;;;---------------------------------------------------------
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00607E 1 ;;; Pull a hi-res page down over serial
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00607E 1 ;;;
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00607E 1 ;;; Protocol is:
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00607E 1 ;;; * Recieve 256 bytes (graphic data)
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00607E 1 ;;; * Send 1 byte (input state)
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00607E 1
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00607E 1 .proc ReceivePage
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00607E 1 A9 80 lda #Protocol::Screen
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006080 1 20 30 60 jsr SSC::Put
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006083 1 A9 00 lda #0 ; data size
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006085 1 20 30 60 jsr SSC::Put
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006088 1
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006088 1
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006088 1 A9 00 lda #0 ; set up write pointer
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00608A 1 85 FA sta ZP_PTR
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00608C 1 A5 E6 lda PAGE
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00608E 1 85 FB sta ZP_PTR+1
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006090 1 A2 20 ldx #PAGESIZE ; plan to receive this many pages
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006092 1 A0 00 ldy #0
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006094 1
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006094 1 20 3F 60 : jsr SSC::Get
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006097 1 91 FA sta (ZP_PTR),Y
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006099 1 C8 iny
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00609A 1 D0 F8 bne :- ; Do a full page...
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00609C 1
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00609C 1 ;; Interleave to maintain responsiveness
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00609C 1 20 A6 60 jsr SendInputState
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00609F 1
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00609F 1 E6 FB inc ZP_PTR+1
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0060A1 1 CA dex
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0060A2 1 D0 F0 bne :- ; ...as many pages as we need
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0060A4 1 60 rts
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0060A5 1 .endproc
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0060A5 1
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0060A5 1
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0060A5 1 ;;;-------------------------------------------------------------------
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0060A5 1 ;;;
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0060A5 1 ;;; Input device routines
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0060A5 1 ;;;
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0060A5 1 ;;;-------------------------------------------------------------------
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0060A5 1
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0060A5 1 ;;;---------------------------------------------------------
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0060A5 1 ;;; Initialize input devices and storage for detecting
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0060A5 1 ;;; state transitions
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0060A5 1
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0060A5 1 .proc InitInput
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0060A5 1
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0060A5 1 .ifdef MOUSE_SUPPORT
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0060A5 1 jsr Mouse::FindMouse
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0060A5 1 .endif
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0060A5 1
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0060A5 1 60 rts
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0060A6 1 .endproc
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0060A6 1
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0060A6 1
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0060A6 1 ;;;---------------------------------------------------------
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0060A6 1 ;;; Send a full set of input state updates.
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0060A6 1
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0060A6 1 ;;; Assumes time to transmit is roughly comparable to time
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0060A6 1 ;;; to measure input state, therefore only sending changes is
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0060A6 1 ;;; not worthwhile in most cases.
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0060A6 1
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0060A6 1 .proc SendInputState
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0060A6 1 20 B0 60 jsr MaybeSendKeyboard
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0060A9 1 20 E3 60 jsr SendButtons
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0060AC 1
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0060AC 1 .ifdef PADDLE_SUPPORT
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0060AC 1 20 04 61 jsr SendPaddles
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0060AF 1 .endif
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0060AF 1
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0060AF 1 .ifdef MOUSE_SUPPORT
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0060AF 1 jsr SendMouse
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0060AF 1 .endif
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0060AF 1
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0060AF 1 .endproc
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0060AF 1
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0060AF 1
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0060AF 1 ;;;------------------------------------------------------------
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0060AF 1 ;;; Keyboard
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0060AF 1
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0060AF 1 ;;; NOTE: Can't use KBDSTRB to detect key up -> key down transition
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0060AF 1 ;;; since the msb can change before the key code. Instead, consider
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0060AF 1 ;;; these cases:
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0060AF 1 ;;;
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0060AF 1 ;;; OLD STATE KBD KBDSTRB RESULT
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0060AF 1 ;;; Up Up - No-op
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0060AF 1 ;;; Up Down - Save and send key down
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0060AF 1 ;;; Down - Up Save and send key up
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0060AF 1 ;;; Down - Down Save and send key ONLY if different
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0060AF 1 ;;;
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0060AF 1
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0060AF 1 00 last_kb: .byte 0
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0060B0 1
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0060B0 1 .proc MaybeSendKeyboard
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0060B0 1 AD AF 60 lda last_kb
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0060B3 1 D0 08 bne key_was_down
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0060B5 1
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0060B5 1 key_was_up:
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0060B5 1 ;; Key was up - send only if now down.
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0060B5 1 AD 00 C0 lda KBD ; Read keyboard
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0060B8 1 10 28 bpl done ; Do nothing if it is still up.
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0060BA 1 4C CF 60 jmp send ; Otherwise send.
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0060BD 1
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0060BD 1 key_was_down:
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0060BD 1 ;; Key was down - strobe should match
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0060BD 1 ;; unless the key changed or was released.
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0060BD 1 AD 10 C0 lda KBDSTRB
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0060C0 1 30 05 bmi kbdstrb_down
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0060C2 1
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0060C2 1 kbdstrb_up:
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0060C2 1 A9 00 lda #0 ; Now released
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0060C4 1 4C CF 60 jmp send
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0060C7 1
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0060C7 1 kbdstrb_down:
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0060C7 1 CD AF 60 cmp last_kb ; Same key as last time?
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0060CA 1 F0 16 beq done ; - no change, don't send.
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0060CC 1 4C CF 60 jmp send
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0060CF 1
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0060CF 1 8D AF 60 send: sta last_kb
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0060D2 1 A5 00 lda Protocol::Keyboard
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0060D4 1 20 30 60 jsr SSC::Put
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0060D7 1 A9 01 lda #1 ; Data size
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0060D9 1 20 30 60 jsr SSC::Put
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0060DC 1 AD AF 60 lda last_kb
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0060DF 1 20 30 60 jsr SSC::Put
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0060E2 1
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0060E2 1 60 done: rts
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0060E3 1 .endproc
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0060E3 1
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0060E3 1 ;;;------------------------------------------------------------
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0060E3 1 ;;; Buttons
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0060E3 1
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0060E3 1 .proc SendButtons
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0060E3 1
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0060E3 1 A5 10 lda Protocol::Button0
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0060E5 1 20 30 60 jsr SSC::Put
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0060E8 1 A9 01 lda #1 ; Data size
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0060EA 1 20 30 60 jsr SSC::Put
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0060ED 1 AD 61 C0 lda BUTN0
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0060F0 1 20 30 60 jsr SSC::Put
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0060F3 1
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0060F3 1 A5 11 lda Protocol::Button1
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0060F5 1 20 30 60 jsr SSC::Put
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0060F8 1 A9 01 lda #1 ; Data size
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0060FA 1 20 30 60 jsr SSC::Put
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0060FD 1 AD 62 C0 lda BUTN1
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006100 1 20 30 60 jsr SSC::Put
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006103 1
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006103 1 60 rts
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006104 1 .endproc
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006104 1
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006104 1 ;;;------------------------------------------------------------
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006104 1 ;;; Paddles
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006104 1
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006104 1 .ifdef PADDLE_SUPPORT
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006104 1 .proc SendPaddles
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006104 1
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006104 1 A5 20 lda Protocol::Paddle0
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006106 1 20 30 60 jsr SSC::Put
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006109 1 A9 01 lda #1 ; Data size
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00610B 1 20 30 60 jsr SSC::Put
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00610E 1
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00610E 1 A2 00 ldx #0
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006110 1 20 1E FB jsr PREAD
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006113 1 98 tya
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006114 1 20 30 60 jsr SSC::Put
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006117 1
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006117 1 ;; Assumes at least 11 cycles to send, so
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006117 1 ;; timer has a chance to reset.
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006117 1
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006117 1 A5 21 lda Protocol::Paddle1
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006119 1 20 30 60 jsr SSC::Put
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00611C 1 A9 01 lda #1 ; Data size
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00611E 1 20 30 60 jsr SSC::Put
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006121 1
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006121 1 A2 01 ldx #1
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006123 1 20 1E FB jsr PREAD
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006126 1 98 tya
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006127 1 20 30 60 jsr SSC::Put
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00612A 1
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00612A 1 60 rts
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00612B 1 .endproc
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00612B 1 .endif
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00612B 1
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00612B 1 ;;;-------------------------------------------------------------------
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00612B 1 ;;;
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00612B 1 ;;; Hi-res graphics routines
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00612B 1 ;;;
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00612B 1 ;;;-------------------------------------------------------------------
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00612B 1
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00612B 1 ;;;---------------------------------------------------------
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00612B 1 ;;; Set up the graphics display and pointers
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00612B 1
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00612B 1 .proc InitHires
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00612B 1 A9 20 lda #PAGE1 ; clear page 1
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00612D 1 85 E6 sta PAGE
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00612F 1 20 F2 F3 jsr HCLR
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006132 1
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006132 1 20 42 61 jsr FlipHires ; then show it and flip to 2
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006135 1 8D 57 C0 sta HIRES
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006138 1 8D 50 C0 sta TXTCLR
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00613B 1 8D 52 C0 sta MIXCLR
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00613E 1 8D 54 C0 sta LOWSCR
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006141 1
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006141 1 60 rts
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006142 1 .endproc
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006142 1
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006142 1
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006142 1 ;;;---------------------------------------------------------
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006142 1 ;;; Call when done with the current plotting page
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006142 1 ;;; (selected in PAGE) and it will be shown and the
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006142 1 ;;; other page will be shown.
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006142 1
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006142 1 .proc FlipHires
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006142 1 A5 E6 lda PAGE ; plotting on which page?
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006144 1 C9 20 cmp #PAGE1
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006146 1 F0 08 beq :+
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006148 1
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006148 1 8D 55 C0 sta HISCR ; page 2 - so show it
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00614B 1 A9 20 lda #PAGE1 ; and plot on page 1
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00614D 1 85 E6 sta PAGE
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00614F 1 60 rts
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006150 1
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006150 1 8D 54 C0 : sta LOWSCR ; page 1 - so show it
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006153 1 A9 40 lda #PAGE2 ; and plot on page 2
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006155 1 85 E6 sta PAGE
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006157 1 60 rts
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006158 1 .endproc
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006158 1
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006058 2 ;;;-------------------------------------------------------------------
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006058 2 ;;;
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006058 2 ;;; Mouse
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006058 2 ;;;
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006058 2 ;;;-------------------------------------------------------------------
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006058 2 ;; .error "Mouse support not fully implemented"
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006058 2
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006058 2 .proc Mouse
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006058 2
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006058 2 ;;;--------------------------------------------------
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006058 2 ;;; Mouse Screen Holes
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006058 2 ;;;--------------------------------------------------
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006058 2
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006058 2 ;;; For ReadMouse and PosMouse
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006058 2
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006058 2 MOUSE_X_LSB := $0478 ; + slot Low byte of X coordinate
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006058 2 MOUSE_Y_LSB := $04F8 ; + slot Low byte of Y coordinate
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006058 2 MOUSE_X_MSB := $0578 ; + slot High byte of X coordinate
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006058 2 MOUSE_Y_MSB := $05F8 ; + slot High byte of Y coordinate
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006058 2 MOUSE_RSV1 := $0678 ; + slot Reserved
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006058 2 MOUSE_RSV2 := $06F8 ; + slot Reserved
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006058 2 MOUSE_STATUS := $0778 ; + slot Status byte
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006058 2 ;; 7 Button down
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006058 2 ;; 6 Button was down on last read and still down
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006058 2 ;; 5 Movement since last read
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006058 2 ;; 4 Reserved
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006058 2 ;; 3 Interrupt from VBlInt
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006058 2 ;; 2 Interrupt from button
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006058 2 ;; 1 Interrupt from movement
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006058 2 ;; 0 Reserved
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006058 2 MOUSE_MODE := $07F8 ; + slot Mode byte
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006058 2 ;; 7-4 Reserved
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006058 2 ;; 3 VBlInt active
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006058 2 ;; 2 VBL interrupt on button
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006058 2 ;; 1 VBL interrupt on movement
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006058 2 ;; 0 Mouse active
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006058 2
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006058 2 ;;; Scratch area for ClampMouse:
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006058 2
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006058 2 MOUSE_CMIN_LSB := $0478 ; Low byte of clamping minimum
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006058 2 MOUSE_CMAX_LSB := $04F8 ; Low byte of clamping maximum
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006058 2 MOUSE_CMIN_MSB := $0578 ; High byte of clamping minimum
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006058 2 MOUSE_CMAX_MSB := $05F8 ; High byte of clamping maximum
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006058 2
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006058 2 ;;;--------------------------------------------------
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006058 2 ;;; Mouse Constants
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006058 2 ;;;--------------------------------------------------
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006058 2
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006058 2 MOUSE_CLAMP_X := 0 ; Value for A when setting X clamp with ClampMouse
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006058 2 MOUSE_CLAMP_Y := 1 ; Value for A when setting X clamp with ClampMouse
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006058 2
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006058 2 ;;; Mouse ID bytes
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006058 2 MOUSEID_MAX := 4
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006058 2 05 07 0B 0C MOUSEID_ADDR: .byte $05, $07, $0b, $0c, $fb
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00605C 2 FB
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00605D 2 38 18 01 20 MOUSEID_VAL: .byte $38, $18, $01, $20, $d6
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006061 2 D6
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006062 2
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006062 2 SLOT_BASE := $C000
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006062 2
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006062 2 ;;;--------------------------------------------------
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006062 2 ;;; Mouse firmware routine
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006062 2 ;;;--------------------------------------------------
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006062 2
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006062 2 SetMouse := $12 ; A=mode; C=0 on success
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006062 2 ServeMouse := $13 ; C=0 mouse interrupt, C=1 other
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006062 2 ReadMouse := $14
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006062 2 ClearMouse := $15
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006062 2 PosMouse := $16
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006062 2 ClampMouse := $17
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006062 2 HomeMouse := $18
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006062 2 InitMouse := $19
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006062 2
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006062 2 .macro MOUSE_CALL routine
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006062 2 ldy routine
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006062 2 jmp CallMouse
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006062 2 .endmacro
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006062 2
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006062 2 ;;;--------------------------------------------------
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006062 2 ;;; Data
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006062 2 ;;;--------------------------------------------------
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006062 2
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006062 2 ;;; Mouse
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006062 2 00 mouse_slot: .byte 0 ; mouse slot, or 0 if none
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||||
006063 2 00 mouse_fw_hi: .byte 0 ; mouse slot as $Cn
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006064 2 00 mouse_op: .byte 0 ; mouse slot as $n0
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006065 2
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006065 2 mouse_ptr := $EB ; Zero page location
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006065 2
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006065 2 ;;;--------------------------------------------------
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006065 2 ;;; Routines
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006065 2 ;;;--------------------------------------------------
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006065 2
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006065 2
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006065 2 MOUSE_CLAMP_MIN := $10
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006065 2 MOUSE_CLAMP_MAX := $1F
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006065 2 MOUSE_CENTER := $17
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006065 2 MOUSE_POS_MASK := $0F
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006065 2
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006065 2
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006065 2 ;;;--------------------------------------------------
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006065 2 ;;; Macros for common mouse operations
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006065 2 ;;;--------------------------------------------------
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006065 2
|
||||
006065 2 ;;;----------------------------------------
|
||||
006065 2 .macro DoClampMouse axis, min, max
|
||||
006065 2 ;;;----------------------------------------
|
||||
006065 2 ;;; axis: MOUSE_CLAMP_X or MOUSE_CLAMP_Y
|
||||
006065 2 ;;; min: minimum value (2 byte)
|
||||
006065 2 ;;; max: maximum value (2 byte)
|
||||
006065 2 ;;;----------------------------------------
|
||||
006065 2 lda #<min
|
||||
006065 2 sta MOUSE_CMIN_LSB
|
||||
006065 2 lda #>min
|
||||
006065 2 sta MOUSE_CMIN_MSB
|
||||
006065 2 lda #<max
|
||||
006065 2 sta MOUSE_CMAX_LSB
|
||||
006065 2 lda #>max
|
||||
006065 2 sta MOUSE_CMAX_MSB
|
||||
006065 2 lda #axis
|
||||
006065 2 MOUSE_CALL ClampMouse
|
||||
006065 2 .endmacro
|
||||
006065 2
|
||||
006065 2 ;;;----------------------------------------
|
||||
006065 2 .macro DoPosMouse px, py
|
||||
006065 2 ;;;----------------------------------------
|
||||
006065 2 ldx mouse_slot
|
||||
006065 2 lda #<px
|
||||
006065 2 sta MOUSE_X_LSB,x
|
||||
006065 2 lda #>px
|
||||
006065 2 sta MOUSE_X_MSB,x
|
||||
006065 2 lda #<py
|
||||
006065 2 sta MOUSE_Y_LSB,x
|
||||
006065 2 lda #>py
|
||||
006065 2 sta MOUSE_Y_MSB,x
|
||||
006065 2 MOUSE_CALL PosMouse
|
||||
006065 2 .endmacro
|
||||
006065 2
|
||||
006065 2 ;;;----------------------------------------
|
||||
006065 2 .macro DoSetMouse mode
|
||||
006065 2 ;;;----------------------------------------
|
||||
006065 2 lda #mode
|
||||
006065 2 MOUSE_CALL SetMouse
|
||||
006065 2 .endmacro
|
||||
006065 2
|
||||
006065 2
|
||||
006065 2 ;;;---------------------------------------------------------
|
||||
006065 2 ;;; Find and initialize the mouse port
|
||||
006065 2
|
||||
006065 2 .proc FindMouse
|
||||
006065 2
|
||||
006065 2 ;;; Reference: http://home.swbell.net/rubywand/R034MOUSEPRG.TXT
|
||||
006065 2
|
||||
006065 2 78 sei ; No interrupts while we're getting set up
|
||||
006066 2
|
||||
006066 2 ;; Find mouse card by scanning slots for ID bytes
|
||||
006066 2
|
||||
006066 2 A0 07 ldy #MAX_SLOT ; Start search in slot 7
|
||||
006068 2
|
||||
006068 2 slot_loop:
|
||||
006068 2 8C 62 60 sty mouse_slot ; Save for later
|
||||
00606B 2 98 tya
|
||||
00606C 2 18 clc
|
||||
00606D 2 69 C0 adc #>SLOT_BASE ; Firmware is $Cn
|
||||
00606F 2 8D 7C 60 sta slot_addr + 1 ; Update msb of signature test
|
||||
006072 2 A2 04 ldx #MOUSEID_MAX ; This many signature bytes
|
||||
006074 2
|
||||
006074 2 BD 58 60 : lda MOUSEID_ADDR,x
|
||||
006077 2 8D 7B 60 sta slot_addr ; Update lsb of signature test
|
||||
00607A 2
|
||||
00607A 2 slot_addr := *+1
|
||||
00607A 2 AD 00 C0 lda SLOT_BASE ; Self-modified
|
||||
00607D 2 DD 5D 60 cmp MOUSEID_VAL,x ; Does it match the signature?
|
||||
006080 2 D0 06 bne no_match ; Nope - try the next slot
|
||||
006082 2 CA dex ; Yes! Keep testing
|
||||
006083 2 10 EF bpl :- ; Fall through if all done
|
||||
006085 2 4C 8F 60 jmp found
|
||||
006088 2
|
||||
006088 2 no_match:
|
||||
006088 2 88 dey ; Didn't match
|
||||
006089 2 D0 DD bne slot_loop ; Keep looking until slot 0
|
||||
00608B 2 8C 62 60 sty mouse_slot ; Oops, no mouse - make a note
|
||||
00608E 2 60 rts ; and bail
|
||||
00608F 2
|
||||
00608F 2 ;; Store results needed for call ($Cn and $n0)
|
||||
00608F 2
|
||||
00608F 2 98 found: tya ; Slot is in y
|
||||
006090 2 09 C0 ora #>SLOT_BASE ; Compute $Cn - needed for calls
|
||||
006092 2 8D 63 60 sta mouse_fw_hi
|
||||
006095 2
|
||||
006095 2 98 tya
|
||||
006096 2 0A asl ; Compute $n0 - needed for calls
|
||||
006097 2 0A asl
|
||||
006098 2 0A asl
|
||||
006099 2 0A asl
|
||||
00609A 2 8D 64 60 sta mouse_op
|
||||
00609D 2
|
||||
00609D 2 ;; Initialize and configure mouse card
|
||||
00609D 2
|
||||
00609D 2 A4 19 4C FD MOUSE_CALL InitMouse ; reset, clamp to 0-1023 x/y
|
||||
0060A1 2 60
|
||||
0060A2 2
|
||||
0060A2 2 A9 01 A4 12 DoSetMouse $01 ; mouse on, no interrupts
|
||||
0060A6 2 4C FD 60
|
||||
0060A9 2 ; TODO: test carry bit result (set = error)
|
||||
0060A9 2
|
||||
0060A9 2 ;; Clamp for deltas
|
||||
0060A9 2 A9 10 8D 78 DoClampMouse MOUSE_CLAMP_X, MOUSE_CLAMP_MIN, MOUSE_CLAMP_MAX
|
||||
0060AD 2 04 A9 00 8D
|
||||
0060B1 2 78 05 A9 1F
|
||||
0060B5 2 8D F8 04 A9
|
||||
0060B9 2 00 8D F8 05
|
||||
0060BD 2 A9 00 A4 17
|
||||
0060C1 2 4C FD 60
|
||||
0060C4 2 A9 10 8D 78 DoClampMouse MOUSE_CLAMP_Y, MOUSE_CLAMP_MIN, MOUSE_CLAMP_MAX
|
||||
0060C8 2 04 A9 00 8D
|
||||
0060CC 2 78 05 A9 1F
|
||||
0060D0 2 8D F8 04 A9
|
||||
0060D4 2 00 8D F8 05
|
||||
0060D8 2 A9 01 A4 17
|
||||
0060DC 2 4C FD 60
|
||||
0060DF 2
|
||||
0060DF 2 AE 62 60 A9 DoPosMouse MOUSE_CENTER, MOUSE_CENTER
|
||||
0060E3 2 17 9D 78 04
|
||||
0060E7 2 A9 00 9D 78
|
||||
0060EB 2 05 A9 17 9D
|
||||
0060EF 2 F8 04 A9 00
|
||||
0060F3 2 9D F8 05 A4
|
||||
0060F7 2 16 4C FD 60
|
||||
0060FB 2
|
||||
0060FB 2 58 cli ; Enable interrupts so mouse can function
|
||||
0060FC 2
|
||||
0060FC 2 60 rts
|
||||
0060FD 2 .endproc
|
||||
0060FD 2
|
||||
0060FD 2 ;;;--------------------------------------------------
|
||||
0060FD 2 ;;; Call mouse firmware, param in A, routine in Y
|
||||
0060FD 2
|
||||
0060FD 2 .proc CallMouse
|
||||
0060FD 2 48 pha ; Save A (param)
|
||||
0060FE 2 AE 63 60 ldx mouse_fw_hi ; $Cn
|
||||
006101 2 86 EC stx mouse_ptr+1
|
||||
006103 2 A9 00 lda #0
|
||||
006105 2 85 EB sta mouse_ptr
|
||||
006107 2 B1 EB lda (mouse_ptr),y ; Look up routine offset
|
||||
006109 2 85 EB sta mouse_ptr
|
||||
00610B 2
|
||||
00610B 2 68 pla ; param in A
|
||||
00610C 2 AC 64 60 ldy mouse_op ; $n0 in Y
|
||||
00610F 2
|
||||
00610F 2 08 php
|
||||
006110 2 78 sei
|
||||
006111 2 20 16 61 jsr call
|
||||
006114 2 28 plp
|
||||
006115 2 60 rts
|
||||
006116 2
|
||||
006116 2 6C EB 00 call: jmp (mouse_ptr)
|
||||
006119 2 .endproc
|
||||
006119 2
|
||||
006119 2 ;;;--------------------------------------------------
|
||||
006119 2 ;;; Read mouse pos, send deltas, and recenter
|
||||
006119 2
|
||||
006119 2 .proc SendMouse
|
||||
006119 2 48 8A 48 98 SaveRegisters
|
||||
00611D 2 48
|
||||
00611E 2 AD 62 60 lda mouse_slot
|
||||
006121 2 F0 5E beq done
|
||||
006123 2
|
||||
006123 2 A4 14 4C FD MOUSE_CALL ReadMouse
|
||||
006127 2 60
|
||||
006128 2
|
||||
006128 2 A5 30 lda Protocol::MouseX
|
||||
00612A 2 20 30 60 jsr SSC::Put
|
||||
00612D 2 A9 01 lda #1 ; Data size
|
||||
00612F 2 20 30 60 jsr SSC::Put
|
||||
006132 2 AE 62 60 ldx mouse_slot
|
||||
006135 2 BD 78 04 lda MOUSE_X_LSB,x
|
||||
006138 2 05 0F ora MOUSE_POS_MASK
|
||||
00613A 2 20 30 60 jsr SSC::Put
|
||||
00613D 2
|
||||
00613D 2 A5 31 lda Protocol::MouseY
|
||||
00613F 2 20 30 60 jsr SSC::Put
|
||||
006142 2 A9 01 lda #1 ; Data size
|
||||
006144 2 20 30 60 jsr SSC::Put
|
||||
006147 2 AE 62 60 ldx mouse_slot
|
||||
00614A 2 BD F8 04 lda MOUSE_Y_LSB,x
|
||||
00614D 2 05 0F ora MOUSE_POS_MASK
|
||||
00614F 2 20 30 60 jsr SSC::Put
|
||||
006152 2
|
||||
006152 2 A5 32 lda Protocol::MouseBtn
|
||||
006154 2 20 30 60 jsr SSC::Put
|
||||
006157 2 A9 01 lda #1 ; Data size
|
||||
006159 2 20 30 60 jsr SSC::Put
|
||||
00615C 2 AE 62 60 ldx mouse_slot
|
||||
00615F 2 BD 78 07 lda MOUSE_STATUS,x
|
||||
006162 2 20 30 60 jsr SSC::Put
|
||||
006165 2
|
||||
006165 2 AE 62 60 A9 DoPosMouse MOUSE_CENTER, MOUSE_CENTER
|
||||
006169 2 17 9D 78 04
|
||||
00616D 2 A9 00 9D 78
|
||||
006171 2 05 A9 17 9D
|
||||
006175 2 F8 04 A9 00
|
||||
006179 2 9D F8 05 A4
|
||||
00617D 2 16 4C FD 60
|
||||
006181 2
|
||||
006181 2 68 A8 68 AA done: RestoreRegisters
|
||||
006185 2 68
|
||||
006186 2 60 rts
|
||||
006187 2 .endproc
|
||||
006187 2
|
||||
006187 2 .endproc
|
||||
006187 2
|
||||
006187 1 .endif
|
||||
006187 1
|
||||
006187 1
|
||||
006187 1 ;;;-------------------------------------------------------------------
|
||||
006187 1 ;;; Variables
|
||||
006187 1 ;;;-------------------------------------------------------------------
|
||||
006187 1
|
||||
006187 1 ;;; Application configuration
|
||||
006187 1 03 PSPEED: .byte SSC::BPS_115k ; Hardcoded for Apple IIc (TODO: Allow configuration)
|
||||
006188 1 02 PSLOT: .byte 2 ; Hardcoded for Apple IIc (TODO: Allow configuration)
|
||||
006189 1 00 PEXIT: .byte 0 ; Set when it's time to exit (Not Yet Implemented)
|
||||
00618A 1
|
||||
00618A 1
|
||||
00618A 1 ;;;---------------------------------------------------------
|
||||
00618A 1 ;;; Initialize the application, and enter the main loop
|
||||
00618A 1
|
||||
00618A 1 .proc AppEntry
|
||||
00618A 1 AD 88 61 lda PSLOT ; Use slot 2
|
||||
00618D 1 20 07 60 jsr SSC::Init ; Initialize Super Serial Card
|
||||
006190 1 20 60 62 jsr InitHires ; Initialize Hi-Res graphics
|
||||
006193 1 20 D4 61 jsr InitInput ; Initialize input devices
|
||||
006196 1 20 A3 61 jsr MainLoop
|
||||
006199 1 ;; fall through
|
||||
006199 1 .endproc
|
||||
006199 1
|
||||
006199 1 ;;;---------------------------------------------------------
|
||||
006199 1 ;;; Clean up and exit app
|
||||
006199 1
|
||||
006199 1 .proc AppExit
|
||||
006199 1 20 54 60 jsr SSC::Reset
|
||||
00619C 1 8D 54 C0 sta LOWSCR
|
||||
00619F 1 8D 51 C0 sta TXTSET
|
||||
0061A2 1 60 rts
|
||||
0061A3 1 .endproc
|
||||
0061A3 1
|
||||
0061A3 1 ;;;-------------------------------------------------------------------
|
||||
0061A3 1 ;;;
|
||||
0061A3 1 ;;; Main loop functionality
|
||||
0061A3 1 ;;;
|
||||
0061A3 1 ;;;-------------------------------------------------------------------
|
||||
0061A3 1
|
||||
0061A3 1
|
||||
0061A3 1 ;;;---------------------------------------------------------
|
||||
0061A3 1 .proc MainLoop
|
||||
0061A3 1
|
||||
0061A3 1 ;;; TODO: Sort out the protocol - should be able to send
|
||||
0061A3 1 ;;; input state without receiving data
|
||||
0061A3 1 ;;; jsr SSC::HasData ; Anything to read?
|
||||
0061A3 1 ;;; bne :+ ; Nope
|
||||
0061A3 1
|
||||
0061A3 1 20 AD 61 : jsr ReceivePage
|
||||
0061A6 1 ;; Input is sent every 256 bytes (32 times per page)
|
||||
0061A6 1 20 77 62 jsr FlipHires
|
||||
0061A9 1
|
||||
0061A9 1 4C A3 61 jmp :- ; TODO: define an exit trigger
|
||||
0061AC 1 60 rts
|
||||
0061AD 1 .endproc
|
||||
0061AD 1
|
||||
0061AD 1
|
||||
0061AD 1 ;;;---------------------------------------------------------
|
||||
0061AD 1 ;;; Request a hires page, sending input state along every
|
||||
0061AD 1 ;;; 256 bytes.
|
||||
0061AD 1 ;;;
|
||||
0061AD 1
|
||||
0061AD 1 .proc ReceivePage
|
||||
0061AD 1
|
||||
0061AD 1 ptr := $FA
|
||||
0061AD 1
|
||||
0061AD 1 A9 80 lda #Protocol::Screen
|
||||
0061AF 1 20 30 60 jsr SSC::Put
|
||||
0061B2 1 A9 00 lda #0 ; data size
|
||||
0061B4 1 20 30 60 jsr SSC::Put
|
||||
0061B7 1
|
||||
0061B7 1
|
||||
0061B7 1 A9 00 lda #0 ; set up write pointer
|
||||
0061B9 1 85 FA sta ptr
|
||||
0061BB 1 A5 E6 lda PAGE
|
||||
0061BD 1 85 FB sta ptr+1
|
||||
0061BF 1 A2 20 ldx #PAGESIZE ; plan to receive this many pages
|
||||
0061C1 1 A0 00 ldy #0
|
||||
0061C3 1
|
||||
0061C3 1 20 3F 60 : jsr SSC::Get
|
||||
0061C6 1 91 FA sta (ptr),Y
|
||||
0061C8 1 C8 iny
|
||||
0061C9 1 D0 F8 bne :- ; Do a full page...
|
||||
0061CB 1
|
||||
0061CB 1 ;; Interleave to maintain responsiveness
|
||||
0061CB 1 20 D8 61 jsr SendInputState
|
||||
0061CE 1
|
||||
0061CE 1 E6 FB inc ptr+1
|
||||
0061D0 1 CA dex
|
||||
0061D1 1 D0 F0 bne :- ; ...as many pages as we need
|
||||
0061D3 1 60 rts
|
||||
0061D4 1 .endproc
|
||||
0061D4 1
|
||||
0061D4 1
|
||||
0061D4 1 ;;;-------------------------------------------------------------------
|
||||
0061D4 1 ;;;
|
||||
0061D4 1 ;;; Input device routines
|
||||
0061D4 1 ;;;
|
||||
0061D4 1 ;;;-------------------------------------------------------------------
|
||||
0061D4 1
|
||||
0061D4 1 ;;;---------------------------------------------------------
|
||||
0061D4 1 ;;; Initialize input devices and storage for detecting
|
||||
0061D4 1 ;;; state transitions
|
||||
0061D4 1
|
||||
0061D4 1 .proc InitInput
|
||||
0061D4 1
|
||||
0061D4 1 .ifdef MOUSE_SUPPORT
|
||||
0061D4 1 20 65 60 jsr Mouse::FindMouse
|
||||
0061D7 1 .endif
|
||||
0061D7 1
|
||||
0061D7 1 60 rts
|
||||
0061D8 1 .endproc
|
||||
0061D8 1
|
||||
0061D8 1
|
||||
0061D8 1 ;;;---------------------------------------------------------
|
||||
0061D8 1 ;;; Send a full set of input state updates.
|
||||
0061D8 1
|
||||
0061D8 1 ;;; Assumes time to transmit is roughly comparable to time
|
||||
0061D8 1 ;;; to measure input state, therefore only sending changes is
|
||||
0061D8 1 ;;; not worthwhile in most cases.
|
||||
0061D8 1
|
||||
0061D8 1 .proc SendInputState
|
||||
0061D8 1 20 E5 61 jsr MaybeSendKeyboard
|
||||
0061DB 1 20 18 62 jsr SendButtons
|
||||
0061DE 1
|
||||
0061DE 1 .ifdef PADDLE_SUPPORT
|
||||
0061DE 1 20 39 62 jsr SendPaddles
|
||||
0061E1 1 .endif
|
||||
0061E1 1
|
||||
0061E1 1 .ifdef MOUSE_SUPPORT
|
||||
0061E1 1 20 19 61 jsr Mouse::SendMouse
|
||||
0061E4 1 .endif
|
||||
0061E4 1
|
||||
0061E4 1 .endproc
|
||||
0061E4 1
|
||||
0061E4 1
|
||||
0061E4 1 ;;;------------------------------------------------------------
|
||||
0061E4 1 ;;; Keyboard
|
||||
0061E4 1
|
||||
0061E4 1 ;;; NOTE: Can't use KBDSTRB to detect key up -> key down transition
|
||||
0061E4 1 ;;; since the msb can change before the key code. Instead, consider
|
||||
0061E4 1 ;;; these cases:
|
||||
0061E4 1 ;;;
|
||||
0061E4 1 ;;; OLD STATE KBD KBDSTRB RESULT
|
||||
0061E4 1 ;;; Up Up - No-op
|
||||
0061E4 1 ;;; Up Down - Save and send key down
|
||||
0061E4 1 ;;; Down - Up Save and send key up
|
||||
0061E4 1 ;;; Down - Down Save and send key ONLY if different
|
||||
0061E4 1 ;;;
|
||||
0061E4 1
|
||||
0061E4 1 00 last_kb: .byte 0
|
||||
0061E5 1
|
||||
0061E5 1 .proc MaybeSendKeyboard
|
||||
0061E5 1 AD E4 61 lda last_kb
|
||||
0061E8 1 D0 08 bne key_was_down
|
||||
0061EA 1
|
||||
0061EA 1 key_was_up:
|
||||
0061EA 1 ;; Key was up - send only if now down.
|
||||
0061EA 1 AD 00 C0 lda KBD ; Read keyboard
|
||||
0061ED 1 10 28 bpl done ; Do nothing if it is still up.
|
||||
0061EF 1 4C 04 62 jmp send ; Otherwise send.
|
||||
0061F2 1
|
||||
0061F2 1 key_was_down:
|
||||
0061F2 1 ;; Key was down - strobe should match
|
||||
0061F2 1 ;; unless the key changed or was released.
|
||||
0061F2 1 AD 10 C0 lda KBDSTRB
|
||||
0061F5 1 30 05 bmi kbdstrb_down
|
||||
0061F7 1
|
||||
0061F7 1 kbdstrb_up:
|
||||
0061F7 1 A9 00 lda #0 ; Now released
|
||||
0061F9 1 4C 04 62 jmp send
|
||||
0061FC 1
|
||||
0061FC 1 kbdstrb_down:
|
||||
0061FC 1 CD E4 61 cmp last_kb ; Same key as last time?
|
||||
0061FF 1 F0 16 beq done ; - no change, don't send.
|
||||
006201 1 4C 04 62 jmp send
|
||||
006204 1
|
||||
006204 1 8D E4 61 send: sta last_kb
|
||||
006207 1 A5 00 lda Protocol::Keyboard
|
||||
006209 1 20 30 60 jsr SSC::Put
|
||||
00620C 1 A9 01 lda #1 ; Data size
|
||||
00620E 1 20 30 60 jsr SSC::Put
|
||||
006211 1 AD E4 61 lda last_kb
|
||||
006214 1 20 30 60 jsr SSC::Put
|
||||
006217 1
|
||||
006217 1 60 done: rts
|
||||
006218 1 .endproc
|
||||
006218 1
|
||||
006218 1 ;;;------------------------------------------------------------
|
||||
006218 1 ;;; Buttons
|
||||
006218 1
|
||||
006218 1 .proc SendButtons
|
||||
006218 1
|
||||
006218 1 A5 10 lda Protocol::Button0
|
||||
00621A 1 20 30 60 jsr SSC::Put
|
||||
00621D 1 A9 01 lda #1 ; Data size
|
||||
00621F 1 20 30 60 jsr SSC::Put
|
||||
006222 1 AD 61 C0 lda BUTN0
|
||||
006225 1 20 30 60 jsr SSC::Put
|
||||
006228 1
|
||||
006228 1 A5 11 lda Protocol::Button1
|
||||
00622A 1 20 30 60 jsr SSC::Put
|
||||
00622D 1 A9 01 lda #1 ; Data size
|
||||
00622F 1 20 30 60 jsr SSC::Put
|
||||
006232 1 AD 62 C0 lda BUTN1
|
||||
006235 1 20 30 60 jsr SSC::Put
|
||||
006238 1
|
||||
006238 1 60 rts
|
||||
006239 1 .endproc
|
||||
006239 1
|
||||
006239 1 ;;;------------------------------------------------------------
|
||||
006239 1 ;;; Paddles
|
||||
006239 1
|
||||
006239 1 .ifdef PADDLE_SUPPORT
|
||||
006239 1 .proc SendPaddles
|
||||
006239 1
|
||||
006239 1 A5 20 lda Protocol::Paddle0
|
||||
00623B 1 20 30 60 jsr SSC::Put
|
||||
00623E 1 A9 01 lda #1 ; Data size
|
||||
006240 1 20 30 60 jsr SSC::Put
|
||||
006243 1
|
||||
006243 1 A2 00 ldx #0
|
||||
006245 1 20 1E FB jsr PREAD
|
||||
006248 1 98 tya
|
||||
006249 1 20 30 60 jsr SSC::Put
|
||||
00624C 1
|
||||
00624C 1 ;; Need to wait 3ms between reads.
|
||||
00624C 1
|
||||
00624C 1 A5 21 lda Protocol::Paddle1
|
||||
00624E 1 20 30 60 jsr SSC::Put
|
||||
006251 1 A9 01 lda #1 ; Data size
|
||||
006253 1 20 30 60 jsr SSC::Put
|
||||
006256 1
|
||||
006256 1 A2 01 ldx #1
|
||||
006258 1 20 1E FB jsr PREAD
|
||||
00625B 1 98 tya
|
||||
00625C 1 20 30 60 jsr SSC::Put
|
||||
00625F 1
|
||||
00625F 1 60 rts
|
||||
006260 1 .endproc
|
||||
006260 1 .endif
|
||||
006260 1
|
||||
006260 1 ;;;-------------------------------------------------------------------
|
||||
006260 1 ;;;
|
||||
006260 1 ;;; Hi-res graphics routines
|
||||
006260 1 ;;;
|
||||
006260 1 ;;;-------------------------------------------------------------------
|
||||
006260 1
|
||||
006260 1 ;;;---------------------------------------------------------
|
||||
006260 1 ;;; Set up the graphics display and pointers
|
||||
006260 1
|
||||
006260 1 .proc InitHires
|
||||
006260 1 A9 20 lda #PAGE1 ; clear page 1
|
||||
006262 1 85 E6 sta PAGE
|
||||
006264 1 20 F2 F3 jsr HCLR
|
||||
006267 1
|
||||
006267 1 20 77 62 jsr FlipHires ; then show it and flip to 2
|
||||
00626A 1 8D 57 C0 sta HIRES
|
||||
00626D 1 8D 50 C0 sta TXTCLR
|
||||
006270 1 8D 52 C0 sta MIXCLR
|
||||
006273 1 8D 54 C0 sta LOWSCR
|
||||
006276 1
|
||||
006276 1 60 rts
|
||||
006277 1 .endproc
|
||||
006277 1
|
||||
006277 1
|
||||
006277 1 ;;;---------------------------------------------------------
|
||||
006277 1 ;;; Call when done with the current plotting page
|
||||
006277 1 ;;; (selected in PAGE) and it will be shown and the
|
||||
006277 1 ;;; other page will be shown.
|
||||
006277 1
|
||||
006277 1 .proc FlipHires
|
||||
006277 1 A5 E6 lda PAGE ; plotting on which page?
|
||||
006279 1 C9 20 cmp #PAGE1
|
||||
00627B 1 F0 08 beq :+
|
||||
00627D 1
|
||||
00627D 1 8D 55 C0 sta HISCR ; page 2 - so show it
|
||||
006280 1 A9 20 lda #PAGE1 ; and plot on page 1
|
||||
006282 1 85 E6 sta PAGE
|
||||
006284 1 60 rts
|
||||
006285 1
|
||||
006285 1 8D 54 C0 : sta LOWSCR ; page 1 - so show it
|
||||
006288 1 A9 40 lda #PAGE2 ; and plot on page 2
|
||||
00628A 1 85 E6 sta PAGE
|
||||
00628C 1 60 rts
|
||||
00628D 1 .endproc
|
||||
00628D 1
|
||||
|
|
|
|||
|
|
@ -5,7 +5,7 @@
|
|||
;;;-------------------------------------------------------------------
|
||||
|
||||
PADDLE_SUPPORT = 1
|
||||
;;; MOUSE_SUPPORT = 1
|
||||
MOUSE_SUPPORT = 1
|
||||
|
||||
.include "apple2.inc"
|
||||
|
||||
|
|
@ -36,8 +36,6 @@ HCLR := $F3F2 ; Clear current hires screen to black
|
|||
|
||||
MAX_SLOT := 7 ; Maximum slot # on an Apple II
|
||||
|
||||
ZP_PTR := $FA ; Write cursor location on zero page
|
||||
|
||||
;;;-------------------------------------------------------------------
|
||||
;;; Protocol:
|
||||
;;;-------------------------------------------------------------------
|
||||
|
|
@ -132,13 +130,14 @@ PEXIT: .byte 0 ; Set when it's time to exit (Not Yet Implemente
|
|||
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
;;; Pull a hi-res page down over serial
|
||||
;;; Request a hires page, sending input state along every
|
||||
;;; 256 bytes.
|
||||
;;;
|
||||
;;; Protocol is:
|
||||
;;; * Recieve 256 bytes (graphic data)
|
||||
;;; * Send 1 byte (input state)
|
||||
|
||||
.proc ReceivePage
|
||||
|
||||
ptr := $FA
|
||||
|
||||
lda #Protocol::Screen
|
||||
jsr SSC::Put
|
||||
lda #0 ; data size
|
||||
|
|
@ -146,21 +145,21 @@ PEXIT: .byte 0 ; Set when it's time to exit (Not Yet Implemente
|
|||
|
||||
|
||||
lda #0 ; set up write pointer
|
||||
sta ZP_PTR
|
||||
sta ptr
|
||||
lda PAGE
|
||||
sta ZP_PTR+1
|
||||
sta ptr+1
|
||||
ldx #PAGESIZE ; plan to receive this many pages
|
||||
ldy #0
|
||||
|
||||
: jsr SSC::Get
|
||||
sta (ZP_PTR),Y
|
||||
sta (ptr),Y
|
||||
iny
|
||||
bne :- ; Do a full page...
|
||||
|
||||
;; Interleave to maintain responsiveness
|
||||
jsr SendInputState
|
||||
|
||||
inc ZP_PTR+1
|
||||
inc ptr+1
|
||||
dex
|
||||
bne :- ; ...as many pages as we need
|
||||
rts
|
||||
|
|
@ -203,7 +202,7 @@ PEXIT: .byte 0 ; Set when it's time to exit (Not Yet Implemente
|
|||
.endif
|
||||
|
||||
.ifdef MOUSE_SUPPORT
|
||||
jsr SendMouse
|
||||
jsr Mouse::SendMouse
|
||||
.endif
|
||||
|
||||
.endproc
|
||||
|
|
@ -299,8 +298,7 @@ done: rts
|
|||
tya
|
||||
jsr SSC::Put
|
||||
|
||||
;; Assumes at least 11 cycles to send, so
|
||||
;; timer has a chance to reset.
|
||||
;; Need to wait 3ms between reads.
|
||||
|
||||
lda Protocol::Paddle1
|
||||
jsr SSC::Put
|
||||
|
|
|
|||
318
client/mouse.inc
318
client/mouse.inc
|
|
@ -3,34 +3,51 @@
|
|||
;;; Mouse
|
||||
;;;
|
||||
;;;-------------------------------------------------------------------
|
||||
.error "Mouse support not fully implemented"
|
||||
;; .error "Mouse support not fully implemented"
|
||||
|
||||
.proc Mouse
|
||||
|
||||
;;;--------------------------------------------------
|
||||
;;; Locations and constants
|
||||
;;; Mouse Screen Holes
|
||||
;;;--------------------------------------------------
|
||||
|
||||
;;; For READMOUSE and POSMOUSE
|
||||
;;; For ReadMouse and PosMouse
|
||||
|
||||
MOUSE_X_LSB := $0478 ; + slot Low byte of absolute X position
|
||||
MOUSE_X_MSB := $0578 ; + slot High byte of absolute X position
|
||||
MOUSE_Y_LSB := $04F8 ; + slot Low byte of absolute Y position
|
||||
MOUSE_Y_MSB := $05F8 ; + slot High byte of absolute Y position
|
||||
MOUSE_RSV1 := $0678 ; + slot Reserved and used by the firmware
|
||||
MOUSE_RSV2 := $06F8 ; + slot Reserved and used by the firmware
|
||||
MOUSE_BTN := $0778 ; + slot Button 0/1 interrupt status byte
|
||||
MOUSE_X_LSB := $0478 ; + slot Low byte of X coordinate
|
||||
MOUSE_Y_LSB := $04F8 ; + slot Low byte of Y coordinate
|
||||
MOUSE_X_MSB := $0578 ; + slot High byte of X coordinate
|
||||
MOUSE_Y_MSB := $05F8 ; + slot High byte of Y coordinate
|
||||
MOUSE_RSV1 := $0678 ; + slot Reserved
|
||||
MOUSE_RSV2 := $06F8 ; + slot Reserved
|
||||
MOUSE_STATUS := $0778 ; + slot Status byte
|
||||
;; 7 Button down
|
||||
;; 6 Button was down on last read and still down
|
||||
;; 5 Movement since last read
|
||||
;; 4 Reserved
|
||||
;; 3 Interrupt from VBlInt
|
||||
;; 2 Interrupt from button
|
||||
;; 1 Interrupt from movement
|
||||
;; 0 Reserved
|
||||
MOUSE_MODE := $07F8 ; + slot Mode byte
|
||||
;; 7-4 Reserved
|
||||
;; 3 VBlInt active
|
||||
;; 2 VBL interrupt on button
|
||||
;; 1 VBL interrupt on movement
|
||||
;; 0 Mouse active
|
||||
|
||||
;;; For CLAMPMOUSE:
|
||||
;;; Scratch area for ClampMouse:
|
||||
|
||||
MOUSE_CMIN_LSB := $0478 ; low byte of low clamp
|
||||
MOUSE_CMIN_MSB := $0578 ; high byte of low clamp
|
||||
MOUSE_CMAX_LSB := $04F8 ; low byte of high clamp
|
||||
MOUSE_CMAX_MSB := $05F8 ; high byte of high clamp
|
||||
MOUSE_CMIN_LSB := $0478 ; Low byte of clamping minimum
|
||||
MOUSE_CMAX_LSB := $04F8 ; Low byte of clamping maximum
|
||||
MOUSE_CMIN_MSB := $0578 ; High byte of clamping minimum
|
||||
MOUSE_CMAX_MSB := $05F8 ; High byte of clamping maximum
|
||||
|
||||
MOUSE_CLAMP_X := 0 ; Value for A when setting X clamp with CLAMPMOUSE
|
||||
MOUSE_CLAMP_Y := 1 ; Value for A when setting X clamp with CLAMPMOUSE
|
||||
;;;--------------------------------------------------
|
||||
;;; Mouse Constants
|
||||
;;;--------------------------------------------------
|
||||
|
||||
MOUSE_CLAMP_X := 0 ; Value for A when setting X clamp with ClampMouse
|
||||
MOUSE_CLAMP_Y := 1 ; Value for A when setting X clamp with ClampMouse
|
||||
|
||||
;;; Mouse ID bytes
|
||||
MOUSEID_MAX := 4
|
||||
|
|
@ -39,28 +56,44 @@ MOUSEID_VAL: .byte $38, $18, $01, $20, $d6
|
|||
|
||||
SLOT_BASE := $C000
|
||||
|
||||
;;;--------------------------------------------------
|
||||
;;; Mouse firmware routine
|
||||
;;;--------------------------------------------------
|
||||
|
||||
SetMouse := $12 ; A=mode; C=0 on success
|
||||
ServeMouse := $13 ; C=0 mouse interrupt, C=1 other
|
||||
ReadMouse := $14
|
||||
ClearMouse := $15
|
||||
PosMouse := $16
|
||||
ClampMouse := $17
|
||||
HomeMouse := $18
|
||||
InitMouse := $19
|
||||
|
||||
.macro MOUSE_CALL routine
|
||||
ldy routine
|
||||
jmp CallMouse
|
||||
.endmacro
|
||||
|
||||
;;;--------------------------------------------------
|
||||
;;; Data
|
||||
;;;--------------------------------------------------
|
||||
|
||||
;;; Mouse
|
||||
MOUSE_SLOT: .byte 0 ; mouse slot, or 0 if none
|
||||
LAST_MX: .byte $7f
|
||||
LAST_MY: .byte $7f
|
||||
mouse_slot: .byte 0 ; mouse slot, or 0 if none
|
||||
mouse_fw_hi: .byte 0 ; mouse slot as $Cn
|
||||
mouse_op: .byte 0 ; mouse slot as $n0
|
||||
|
||||
mouse_ptr := $EB ; Zero page location
|
||||
|
||||
;;;--------------------------------------------------
|
||||
;;; Routines
|
||||
;;;--------------------------------------------------
|
||||
|
||||
MOUSEPTR := $EB ; Zero page location
|
||||
|
||||
MOUSE_MIN_X := $10
|
||||
MOUSE_MAX_X := $1f
|
||||
MOUSE_CENTER_X := $17
|
||||
MOUSE_MIN_Y := $20
|
||||
MOUSE_MAX_Y := $2f
|
||||
MOUSE_CENTER_Y := $2f
|
||||
MOUSE_CLAMP_MIN := $10
|
||||
MOUSE_CLAMP_MAX := $1F
|
||||
MOUSE_CENTER := $17
|
||||
MOUSE_POS_MASK := $0F
|
||||
|
||||
|
||||
;;;--------------------------------------------------
|
||||
|
|
@ -68,7 +101,7 @@ MOUSE_CENTER_Y := $2f
|
|||
;;;--------------------------------------------------
|
||||
|
||||
;;;----------------------------------------
|
||||
.macro ClampMouse axis, min, max
|
||||
.macro DoClampMouse axis, min, max
|
||||
;;;----------------------------------------
|
||||
;;; axis: MOUSE_CLAMP_X or MOUSE_CLAMP_Y
|
||||
;;; min: minimum value (2 byte)
|
||||
|
|
@ -83,22 +116,29 @@ MOUSE_CENTER_Y := $2f
|
|||
lda #>max
|
||||
sta MOUSE_CMAX_MSB
|
||||
lda #axis
|
||||
jsr CLAMPMOUSE
|
||||
MOUSE_CALL ClampMouse
|
||||
.endmacro
|
||||
|
||||
;;;----------------------------------------
|
||||
.macro PosMouse px, py
|
||||
.macro DoPosMouse px, py
|
||||
;;;----------------------------------------
|
||||
ldx MOUSE_SLOT
|
||||
ldx mouse_slot
|
||||
lda #<px
|
||||
sta MOUSE_X_LSB,X
|
||||
sta MOUSE_X_LSB,x
|
||||
lda #>px
|
||||
sta MOUSE_X_MSB,X
|
||||
sta MOUSE_X_MSB,x
|
||||
lda #<py
|
||||
sta MOUSE_Y_LSB,X
|
||||
sta MOUSE_Y_LSB,x
|
||||
lda #>py
|
||||
sta MOUSE_Y_MSB,X
|
||||
jsr POSMOUSE
|
||||
sta MOUSE_Y_MSB,x
|
||||
MOUSE_CALL PosMouse
|
||||
.endmacro
|
||||
|
||||
;;;----------------------------------------
|
||||
.macro DoSetMouse mode
|
||||
;;;----------------------------------------
|
||||
lda #mode
|
||||
MOUSE_CALL SetMouse
|
||||
.endmacro
|
||||
|
||||
|
||||
|
|
@ -110,183 +150,131 @@ MOUSE_CENTER_Y := $2f
|
|||
;;; Reference: http://home.swbell.net/rubywand/R034MOUSEPRG.TXT
|
||||
|
||||
sei ; No interrupts while we're getting set up
|
||||
;
|
||||
;;; Step 1: Find the mouse card by scanning slots for ID bytes
|
||||
;
|
||||
|
||||
;; Find mouse card by scanning slots for ID bytes
|
||||
|
||||
ldy #MAX_SLOT ; Start search in slot 7
|
||||
|
||||
TESTSLOT:
|
||||
sty MOUSE_SLOT ; Save for later
|
||||
slot_loop:
|
||||
sty mouse_slot ; Save for later
|
||||
tya
|
||||
clc
|
||||
adc #>SLOT_BASE ; Firmware is $c0 + slot
|
||||
adc #>SLOT_BASE ; Firmware is $Cn
|
||||
sta slot_addr + 1 ; Update msb of signature test
|
||||
ldx #MOUSEID_MAX ; This many signature bytes
|
||||
|
||||
TESTID:
|
||||
lda MOUSEID_ADDR,x
|
||||
sta MOD_MOUSE_ID + 1 ; Update lsb of signature test
|
||||
: lda MOUSEID_ADDR,x
|
||||
sta slot_addr ; Update lsb of signature test
|
||||
|
||||
slot_addr := *+1
|
||||
lda SLOT_BASE ; Self-modified
|
||||
cmp MOUSEID_VAL,x ; Does it match the signature?
|
||||
bne NOMATCH ; Nope - try the next slot
|
||||
bne no_match ; Nope - try the next slot
|
||||
dex ; Yes! Keep testing
|
||||
bpl TESTID ; Fall through if all done
|
||||
jmp FOUND_MOUSE
|
||||
bpl :- ; Fall through if all done
|
||||
jmp found
|
||||
|
||||
NOMATCH:
|
||||
no_match:
|
||||
dey ; Didn't match
|
||||
bne TESTSLOT ; Keep looking until slot 0
|
||||
sty MOUSE_SLOT ; Oops, no mouse - make a note
|
||||
bne slot_loop ; Keep looking until slot 0
|
||||
sty mouse_slot ; Oops, no mouse - make a note
|
||||
rts ; and bail
|
||||
|
||||
;
|
||||
;;; Step 2: Set up indirect calling routines
|
||||
;
|
||||
;; Store results needed for call ($Cn and $n0)
|
||||
|
||||
FOUND_MOUSE:
|
||||
; Slot is in y
|
||||
found: tya ; Slot is in y
|
||||
ora #>SLOT_BASE ; Compute $Cn - needed for calls
|
||||
sta mouse_fw_hi
|
||||
|
||||
tya
|
||||
ora #>SLOT_BASE ; Compute $Cn - needed for
|
||||
sta MOUSEPTR+1 ; MSB of MOUSEPTR ($Cn00)
|
||||
sta TOMOUSE_Cn ; X register before firmware calls
|
||||
sta TOMOUSE_msb ; MSB of firmware calls
|
||||
|
||||
lda #0
|
||||
sta MOUSEPTR ; LSB of MOUSEPTR ($Cn00)
|
||||
|
||||
tya
|
||||
asl ; Compute $n0 - needed for
|
||||
asl ; Compute $n0 - needed for calls
|
||||
asl
|
||||
asl
|
||||
asl
|
||||
sta TOMOUSE_n0 ; Y register before firmware calls
|
||||
sta mouse_op
|
||||
|
||||
;
|
||||
;;; Step 3: Configure the mouse card
|
||||
;
|
||||
;; Initialize and configure mouse card
|
||||
|
||||
;;; Initialize the mouse for use
|
||||
jsr INITMOUSE ; reset, clamp to 0-1023 x/y
|
||||
lda #1 ; mouse on, no interrupts
|
||||
jsr SETMOUSE ; TODO: test carry bit result (set = error)
|
||||
;
|
||||
;;; Since we want deltas, clamp and center
|
||||
;
|
||||
ClampMouse MOUSE_CLAMP_X, MOUSE_MIN_X, MOUSE_MAX_X
|
||||
ClampMouse MOUSE_CLAMP_Y, MOUSE_MIN_Y, MOUSE_MAX_Y
|
||||
PosMouse MOUSE_CENTER_X, MOUSE_CENTER_Y
|
||||
MOUSE_CALL InitMouse ; reset, clamp to 0-1023 x/y
|
||||
|
||||
DoSetMouse $01 ; mouse on, no interrupts
|
||||
; TODO: test carry bit result (set = error)
|
||||
|
||||
;; Clamp for deltas
|
||||
DoClampMouse MOUSE_CLAMP_X, MOUSE_CLAMP_MIN, MOUSE_CLAMP_MAX
|
||||
DoClampMouse MOUSE_CLAMP_Y, MOUSE_CLAMP_MIN, MOUSE_CLAMP_MAX
|
||||
|
||||
DoPosMouse MOUSE_CENTER, MOUSE_CENTER
|
||||
|
||||
cli ; Enable interrupts so mouse can function
|
||||
|
||||
rts
|
||||
|
||||
.endproc
|
||||
|
||||
|
||||
;;;--------------------------------------------------
|
||||
;;; Indirect jump table for mouse firmware routines
|
||||
;;;--------------------------------------------------
|
||||
;;; Call mouse firmware, param in A, routine in Y
|
||||
|
||||
SETMOUSE: ldy #$12
|
||||
jmp GoMouse
|
||||
SERVEMOUSE: ldy #$13
|
||||
jmp GoMouse
|
||||
READMOUSE: ldy #$14
|
||||
jmp GoMouse
|
||||
CLEARMOUSE: ldy #$15
|
||||
jmp GoMouse
|
||||
POSMOUSE: ldy #$16
|
||||
jmp GoMouse
|
||||
CLAMPMOUSE: ldy #$17
|
||||
jmp GoMouse
|
||||
HOMEMOUSE: ldy #$18
|
||||
jmp GoMouse
|
||||
INITMOUSE: ldy #$19
|
||||
jmp GoMouse
|
||||
.proc CallMouse
|
||||
pha ; Save A (param)
|
||||
ldx mouse_fw_hi ; $Cn
|
||||
stx mouse_ptr+1
|
||||
lda #0
|
||||
sta mouse_ptr
|
||||
lda (mouse_ptr),y ; Look up routine offset
|
||||
sta mouse_ptr
|
||||
|
||||
;;;--------------------------------------------------
|
||||
pla ; param in A
|
||||
ldy mouse_op ; $n0 in Y
|
||||
|
||||
.proc GoMouse
|
||||
tax ; Preserve the value in A
|
||||
lda (MOUSEPTR),Y ; Get the routine entry point
|
||||
sta TOMOUSE_lsb ; Patch the JMP instruction
|
||||
txa ; Restore the value in A
|
||||
|
||||
;;; The following operand bytes must be patched by the
|
||||
;;; initialization code which detects the mouse.
|
||||
|
||||
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
|
||||
TOMOUSE_slot := *+1
|
||||
jsr 0 ; Go to the mouse routine
|
||||
plp ; Restore interrupt state
|
||||
php
|
||||
sei
|
||||
jsr call
|
||||
plp
|
||||
rts
|
||||
|
||||
call: jmp (mouse_ptr)
|
||||
.endproc
|
||||
|
||||
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
|
||||
|
||||
;;;--------------------------------------------------
|
||||
.proc FOOMOUSE
|
||||
;;; Read mouse pos, send deltas, and recenter
|
||||
|
||||
txa ; save x
|
||||
pha
|
||||
tya ; save y
|
||||
pha
|
||||
.proc SendMouse
|
||||
SaveRegisters
|
||||
lda mouse_slot
|
||||
beq done
|
||||
|
||||
jsr READMOUSE
|
||||
|
||||
jmp DONE
|
||||
|
||||
ldx MOUSE_SLOT
|
||||
MOUSE_CALL ReadMouse
|
||||
|
||||
lda Protocol::MouseX
|
||||
jsr SSC::Put
|
||||
lda #1 ; Data size
|
||||
jsr SSC::Put
|
||||
ldx mouse_slot
|
||||
lda MOUSE_X_LSB,x
|
||||
sta LAST_MX
|
||||
ora MOUSE_POS_MASK
|
||||
jsr SSC::Put
|
||||
|
||||
lda Protocol::MouseY
|
||||
jsr SSC::Put
|
||||
lda #1 ; Data size
|
||||
jsr SSC::Put
|
||||
ldx mouse_slot
|
||||
lda MOUSE_Y_LSB,x
|
||||
sta LAST_MY
|
||||
|
||||
lda LAST_MX
|
||||
cmp #MOUSE_CENTER_X
|
||||
bne SEND
|
||||
|
||||
lda LAST_MY
|
||||
cmp #MOUSE_CENTER_Y
|
||||
beq DONE
|
||||
|
||||
SEND:
|
||||
lda LAST_MX
|
||||
ora #SIS_MX
|
||||
jsr SSC::Put
|
||||
lda LAST_MY
|
||||
ora #SIS_MY
|
||||
ora MOUSE_POS_MASK
|
||||
jsr SSC::Put
|
||||
|
||||
PosMouse MOUSE_CENTER_X, MOUSE_CENTER_Y
|
||||
lda Protocol::MouseBtn
|
||||
jsr SSC::Put
|
||||
lda #1 ; Data size
|
||||
jsr SSC::Put
|
||||
ldx mouse_slot
|
||||
lda MOUSE_STATUS,x
|
||||
jsr SSC::Put
|
||||
|
||||
DONE:
|
||||
pla ; restore y
|
||||
tay
|
||||
pla ; restore x
|
||||
tax
|
||||
DoPosMouse MOUSE_CENTER, MOUSE_CENTER
|
||||
|
||||
done: RestoreRegisters
|
||||
rts
|
||||
|
||||
.endproc
|
||||
|
||||
.endproc
|
||||
|
|
|
|||
Loading…
Reference in New Issue