mirror of https://github.com/a2stuff/vnIIc.git
reformat, dedupe
This commit is contained in:
Joshua Bell
parent
efeff6cdb9
commit
684b82ca56
Binary file not shown.
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@ -2,10 +2,16 @@ ca65 V2.16 - Git f5e9b401
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Main file : client.s
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Current file: client.s
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000000r 1 PADDLE_SUPPORT = 1
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000000r 1 ;;;-------------------------------------------------------------------
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000000r 1 ;;;
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000000r 1 ;;; vnIIc Client Application
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000000r 1 ;;;
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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
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000000r 1 .include "apple2.inc"
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000000r 1 .include "apple2.inc"
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000000r 2
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000000r 2 ;-----------------------------------------------------------------------------
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000000r 2 ; Zero page stuff
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@ -72,66 +78,68 @@ Current file: client.s
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000000r 2 BUTN1 := $C062 ; Closed-Apple Key
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000000r 2
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000000r 1
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000000r 1 .include "macros.inc"
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000000r 2 ;;;---------------------------------------------------------
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000000r 2 ;;;
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000000r 2 ;;; Generic Macros
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000000r 2 ;;;
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000000r 2 ;;;---------------------------------------------------------
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000000r 2
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000000r 2 .macro SaveRegisters
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000000r 2 pha
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000000r 2 txa
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000000r 2 pha
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000000r 2 tya
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000000r 2 pha
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000000r 2 .endmacro
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000000r 2
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000000r 2 .macro RestoreRegisters
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000000r 2 pla
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000000r 2 tay
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000000r 2 pla
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000000r 2 tax
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000000r 2 pla
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000000r 2 .endmacro
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000000r 2
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000000r 1
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000000r 1 ;;;---------------------------------------------------------
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000000r 1 ;;; Hi-res graphics constants/locations
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000000r 1 ;;;---------------------------------------------------------
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000000r 1
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000000r 1 PLOTPAGE := $E6 ; Active hires plotting page (Applesoft)
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000000r 1 PLOTPAGE1 := $20
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000000r 1 PLOTPAGE2 := $40
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000000r 1 PAGESIZE := $20 ; Size of hi-res screen in pages
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000000r 1 PAGE := $E6 ; Active hires plotting page (Applesoft)
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000000r 1 PAGE1 := $20
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000000r 1 PAGE2 := $40
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000000r 1
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000000r 1 PAGESIZE := $20 ; Size of hi-res screen in pages
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000000r 1
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000000r 1 ;;;---------------------------------------------------------
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000000r 1 ;;; ROM routines
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000000r 1 ;;;---------------------------------------------------------
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000000r 1
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000000r 1 PREAD := $FB1E ; Monitor paddle reading routine, call
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000000r 1 ; with paddle # in X, returns value in Y
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000000r 1 PREAD := $FB1E ; Monitor paddle reading routine, call
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000000r 1 ; with paddle # in X, returns value in Y
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000000r 1
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000000r 1 HCLR := $F3F2 ; Clear current hires screen to black
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000000r 1
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000000r 1 ;;;---------------------------------------------------------
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000000r 1 ;;; Other
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000000r 1 ;;;---------------------------------------------------------
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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 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 ;;; Generic Macros
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000000r 1 ;;;---------------------------------------------------------
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000000r 1
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000000r 1 ;;;----------------------------------------
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000000r 1 .macro SaveRegisters
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000000r 1 ;;;----------------------------------------
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000000r 1 pha
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000000r 1 txa
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000000r 1 pha
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000000r 1 tya
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000000r 1 pha
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000000r 1 .endmacro
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000000r 1
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000000r 1 ;;;----------------------------------------
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000000r 1 .macro RestoreRegisters
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000000r 1 ;;;----------------------------------------
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000000r 1 pla
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000000r 1 tay
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000000r 1 pla
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000000r 1 tax
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000000r 1 pla
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000000r 1 .endmacro
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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 ;;;-------------------------------------------------------------------
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000000r 1 ;;;
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000000r 1 ;;; Application-level logic
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000000r 1 ;;; Client Code
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000000r 1 ;;;
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000000r 1 ;;;-------------------------------------------------------------------
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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 60 60 jmp AppEntry
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000000r 1 .org $6000
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006000 1 4C 60 60 jmp AppEntry
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006003 1
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006003 1 .include "ssc.inc"
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006003 1 .include "ssc.inc"
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006003 2 ;;;-------------------------------------------------------------------
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006003 2 ;;;
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006003 2 ;;; Serial port routines
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@ -147,118 +155,113 @@ Current file: client.s
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006003 2 ;;;---------------------------------------------------------
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006003 2
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006003 2 ;;; These get incremented by the slot where they appear
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006003 2 UACTRL = $C08B ; Control Register
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006003 2 UACMND = $C08A ; Command Register
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006003 2 UASTAT = $C089 ; Status Register
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006003 2 UADATA = $C088 ; Data Register - incoming and outgoing data
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006003 2 UACTRL = $C08B ; Control Register
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006003 2 UACMND = $C08A ; Command Register
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006003 2 UASTAT = $C089 ; Status Register
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006003 2 UADATA = $C088 ; Data Register - incoming and outgoing data
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006003 2
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006003 2 ;;; Lookup table for UACTRL register, by baud rate
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006003 2
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006003 2 16 1E 1F 10 BPSCTRL: .byte $16,$1E,$1F,$10 ; 300, 9600, 19200, 115k (with 8 data bits, 1 stop bit, no echo)
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006007 2 .enum
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006007 2 BPS_300
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006007 2 BPS_9600
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006007 2 BPS_19200
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006007 2 BPS_115k
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006007 2 .endenum
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006003 2 16 1E 1F 10 BPSCTRL: .byte $16,$1E,$1F,$10 ; 300, 9600, 19200, 115k (with 8 data bits, 1 stop bit, no echo)
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006007 2 .enum
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006007 2 BPS_300
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006007 2 BPS_9600
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006007 2 BPS_19200
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006007 2 BPS_115k
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006007 2 .endenum
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006007 2
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006007 2 CMND_NRDI = $0B ; Command: no parity, RTS on, DTR on, no interrupts
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006007 2 CMND_NRDI = $0B ; Command: no parity, RTS on, DTR on, no interrupts
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006007 2
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006007 2
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006007 2 ;;;---------------------------------------------------------
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006007 2 .proc Init
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006007 2 ;;;---------------------------------------------------------
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006007 2 ;;; Initialize the SSC; slot passed in A
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006007 2 ;;;---------------------------------------------------------
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006007 2 0A asl ; Slot passed in A
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006008 2 0A asl
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006009 2 0A asl
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00600A 2 0A asl ; Now $S0
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00600B 2 69 88 adc #$88 ; Low byte of UADATA
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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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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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00601F 2 8E 49 60 stx MOD_UADATA_2 ; UADATA to point at
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006022 2 8E 55 60 stx MOD_UADATA_3 ; correct slot (UADATA+S0)
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006025 2 E8 inx
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006026 2 8E 32 60 stx MOD_UASTAT_1 ; Modify reference to
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006029 2 8E 40 60 stx MOD_UASTAT_2 ; UASTAT to point at
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00602C 2 8E 4D 60 stx MOD_UASTAT_3 ; correct slot (UASTAT+S0)
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00602F 2 60 rts
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006007 2
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006007 2 .proc Init
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006007 2 0A asl ; Slot passed in A
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006008 2 0A asl
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006009 2 0A asl
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00600A 2 0A asl ; Now $S0
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00600B 2 69 88 adc #$88 ; Low byte of UADATA
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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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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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00601F 2 8E 49 60 stx MOD_UADATA_2 ; UADATA to point at
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006022 2 8E 55 60 stx MOD_UADATA_3 ; correct slot (UADATA+S0)
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006025 2 E8 inx
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006026 2 8E 32 60 stx MOD_UASTAT_1 ; Modify reference to
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006029 2 8E 40 60 stx MOD_UASTAT_2 ; UASTAT to point at
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00602C 2 8E 4D 60 stx MOD_UASTAT_3 ; correct slot (UASTAT+S0)
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00602F 2 60 rts
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006030 2 .endproc
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006030 2
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006030 2
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006030 2 ;;;---------------------------------------------------------
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006030 2 .proc Put
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006030 2 ;;;---------------------------------------------------------
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006030 2 ;;; Send accumulator out the serial port
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006030 2 ;;;---------------------------------------------------------
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006030 2 48 pha ; Push A onto the stack
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006031 2 MOD_UASTAT_1 := *+1
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006031 2 AD 89 C0 : lda UASTAT ; Check status bits
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006034 2 29 70 and #$70
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006036 2 C9 10 cmp #$10
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006038 2 D0 F7 bne :- ; Output register is full, so loop
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00603A 2 68 pla
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00603B 2 MOD_UADATA_1 := *+1
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00603B 2 8D 88 C0 sta UADATA ; Put character
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00603E 2 60 rts
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006030 2
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006030 2 .proc Put
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006030 2 48 pha ; Push A onto the stack
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006031 2 MOD_UASTAT_1 := *+1
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006031 2 AD 89 C0 : lda UASTAT ; Check status bits
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006034 2 29 70 and #$70
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006036 2 C9 10 cmp #$10
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006038 2 D0 F7 bne :- ; Output register is full, so loop
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00603A 2 68 pla
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00603B 2 MOD_UADATA_1 := *+1
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00603B 2 8D 88 C0 sta UADATA ; Put character
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00603E 2 60 rts
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00603F 2 .endproc
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00603F 2 MOD_UASTAT_1 := Put::MOD_UASTAT_1
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00603F 2 MOD_UADATA_1 := Put::MOD_UADATA_1
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00603F 2 MOD_UASTAT_1 := Put::MOD_UASTAT_1
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00603F 2 MOD_UADATA_1 := Put::MOD_UADATA_1
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00603F 2
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00603F 2 ;;;---------------------------------------------------------
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00603F 2 .proc Get
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00603F 2 ;;;---------------------------------------------------------
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00603F 2 ;;; Read a character from the serial port to the accumulator
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00603F 2 ;;;---------------------------------------------------------
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00603F 2 MOD_UASTAT_2 := *+1
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00603F 2 AD 89 C0 lda UASTAT ; Check status bits
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006042 2 29 68 and #$68
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006044 2 C9 08 cmp #$8
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006046 2 D0 F7 bne Get ; Input register empty, loop
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006048 2 MOD_UADATA_2 := *+1
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006048 2 AD 88 C0 lda UADATA ; Get character
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00604B 2 60 rts
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00603F 2
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00603F 2 .proc Get
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00603F 2 MOD_UASTAT_2 := *+1
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00603F 2 AD 89 C0 lda UASTAT ; Check status bits
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006042 2 29 68 and #$68
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006044 2 C9 08 cmp #$8
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006046 2 D0 F7 bne Get ; Input register empty, loop
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006048 2 MOD_UADATA_2 := *+1
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006048 2 AD 88 C0 lda UADATA ; Get character
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00604B 2 60 rts
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00604C 2 .endproc
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00604C 2 MOD_UASTAT_2 := Get::MOD_UASTAT_2
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00604C 2 MOD_UADATA_2 := Get::MOD_UADATA_2
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00604C 2 MOD_UASTAT_2 := Get::MOD_UASTAT_2
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00604C 2 MOD_UADATA_2 := Get::MOD_UADATA_2
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00604C 2
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00604C 2 ;;;---------------------------------------------------------
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00604C 2 ;;; Check if the serial port has pending data
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00604C 2
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00604C 2 .proc HasData
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00604C 2 ;;;---------------------------------------------------------
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00604C 2 ;;; Read a character from the serial port to the accumulator
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00604C 2 ;;;---------------------------------------------------------
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00604C 2 MOD_UASTAT_3 := *+1
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00604C 2 AD 89 C0 lda UASTAT ; Check status bits
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00604F 2 29 68 and #$68
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006051 2 C9 08 cmp #$8
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006053 2 60 rts
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00604C 2 MOD_UASTAT_3 := *+1
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00604C 2 AD 89 C0 lda UASTAT ; Check status bits
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00604F 2 29 68 and #$68
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006051 2 C9 08 cmp #$8
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006053 2 60 rts
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006054 2 .endproc
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006054 2 MOD_UASTAT_3 := HasData::MOD_UASTAT_3
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006054 2 MOD_UASTAT_3 := HasData::MOD_UASTAT_3
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006054 2
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006054 2
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006054 2 ;;;---------------------------------------------------------
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006054 2 .proc Reset
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006054 2 ;;;---------------------------------------------------------
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006054 2 ;;; Clean up serial port
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006054 2 ;;;---------------------------------------------------------
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006054 2 MOD_UADATA_3 := *+1
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006054 2 2C 88 C0 bit UADATA
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006057 2 60 rts
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006054 2
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006054 2 .proc Reset
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006054 2 MOD_UADATA_3 := *+1
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006054 2 2C 88 C0 bit UADATA
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006057 2 60 rts
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006058 2 .endproc
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006058 2 MOD_UADATA_3 := Reset::MOD_UADATA_3
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006058 2 MOD_UADATA_3 := Reset::MOD_UADATA_3
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006058 2
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006058 2 .endproc
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006058 2
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006058 1
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006058 1 .ifdef MOUSE_SUPPORT
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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 ; MOUSE_SUPPORT
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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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@ -266,47 +269,45 @@ Current file: client.s
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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)
|
||||
006058 1 03 PSPEED: .byte SSC::BPS_115k ; Hardcoded for Apple IIc (TODO: Allow configuration)
|
||||
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)
|
||||
00605B 1
|
||||
00605B 1 ;;; Keyboard state
|
||||
00605B 1 00 LASTKB: .byte 0
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||||
00605C 1 00 LASTOA: .byte 0
|
||||
00605D 1 00 LASTCA: .byte 0
|
||||
00605B 1 00 LASTKB: .byte 0
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||||
00605C 1 00 LASTOA: .byte 0
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||||
00605D 1 00 LASTCA: .byte 0
|
||||
00605E 1
|
||||
00605E 1 .ifdef PADDLE_SUPPORT
|
||||
00605E 1 .ifdef PADDLE_SUPPORT
|
||||
00605E 1
|
||||
00605E 1 ;;; Paddle state
|
||||
00605E 1 00 LASTP0: .byte 0
|
||||
00605F 1 00 LASTP1: .byte 0
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||||
00605E 1 00 LASTP0: .byte 0
|
||||
00605F 1 00 LASTP1: .byte 0
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||||
006060 1
|
||||
006060 1 .endif ; PADDLE_SUPPORT
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||||
006060 1 .endif ; PADDLE_SUPPORT
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||||
006060 1
|
||||
006060 1
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||||
006060 1 ;;;---------------------------------------------------------
|
||||
006060 1 .proc AppEntry
|
||||
006060 1 ;;;---------------------------------------------------------
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||||
006060 1 ;;; Initialize the application, and enter the main loop
|
||||
006060 1 ;;;---------------------------------------------------------
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||||
006060 1 AD 59 60 lda PSLOT ; Use slot 2
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||||
006063 1 20 07 60 jsr SSC::Init ; Initialize Super Serial Card
|
||||
006066 1 20 8C 61 jsr InitHires ; Initialize Hi-Res graphics
|
||||
006069 1 20 A0 60 jsr InitInput ; Initialize input devices
|
||||
00606C 1 20 79 60 jsr MainLoop
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||||
006060 1
|
||||
006060 1 .proc AppEntry
|
||||
006060 1 AD 59 60 lda PSLOT ; Use slot 2
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||||
006063 1 20 07 60 jsr SSC::Init ; Initialize Super Serial Card
|
||||
006066 1 20 8C 61 jsr InitHires ; Initialize Hi-Res graphics
|
||||
006069 1 20 A0 60 jsr InitInput ; Initialize input devices
|
||||
00606C 1 20 79 60 jsr MainLoop
|
||||
00606F 1
|
||||
00606F 1 ; fall through
|
||||
00606F 1 ; fall through
|
||||
00606F 1 .endproc
|
||||
00606F 1
|
||||
00606F 1 ;;;---------------------------------------------------------
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||||
00606F 1 .proc AppExit
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||||
00606F 1 ;;;---------------------------------------------------------
|
||||
00606F 1 ;;; Clean up and exit app
|
||||
00606F 1 ;;;---------------------------------------------------------
|
||||
00606F 1 20 54 60 jsr SSC::Reset
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||||
006072 1 8D 54 C0 sta LOWSCR
|
||||
006075 1 8D 51 C0 sta TXTSET
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||||
006078 1 60 rts
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||||
00606F 1
|
||||
00606F 1 .proc AppExit
|
||||
00606F 1 20 54 60 jsr SSC::Reset
|
||||
006072 1 8D 54 C0 sta LOWSCR
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||||
006075 1 8D 51 C0 sta TXTSET
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||||
006078 1 60 rts
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||||
006079 1 .endproc
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||||
006079 1
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||||
006079 1
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||||
|
|
@ -319,48 +320,45 @@ Current file: client.s
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|||
006079 1
|
||||
006079 1 ;;;---------------------------------------------------------
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||||
006079 1 .proc MainLoop
|
||||
006079 1 ;;;---------------------------------------------------------
|
||||
006079 1
|
||||
006079 1 ;;; TODO: Sort out the protocol - should be able to send
|
||||
006079 1 ;;; input state without receiving data
|
||||
006079 1 ;;; jsr SSCHasData ; Anything to read?
|
||||
006079 1 ;;; jsr SSC::HasData ; Anything to read?
|
||||
006079 1 ;;; bne :+ ; Nope
|
||||
006079 1
|
||||
006079 1 20 83 60 : jsr ReceivePage
|
||||
00607C 1 20 A3 61 jsr FlipHires
|
||||
00607F 1 4C 79 60 jmp :- ; TODO: define an exit trigger
|
||||
006082 1 60 rts
|
||||
006079 1 20 83 60 : jsr ReceivePage
|
||||
00607C 1 20 A3 61 jsr FlipHires
|
||||
00607F 1 4C 79 60 jmp :- ; TODO: define an exit trigger
|
||||
006082 1 60 rts
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||||
006083 1 .endproc
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||||
006083 1
|
||||
006083 1
|
||||
006083 1 ;;;---------------------------------------------------------
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||||
006083 1 .proc ReceivePage
|
||||
006083 1 ;;;---------------------------------------------------------
|
||||
006083 1 ;;; Pull a hi-res page down over serial
|
||||
006083 1 ;;;
|
||||
006083 1 ;;; Protocol is:
|
||||
006083 1 ;;; * Recieve 256 bytes (graphic data)
|
||||
006083 1 ;;; * Send 1 byte (input state)
|
||||
006083 1 ;;;---------------------------------------------------------
|
||||
006083 1
|
||||
006083 1 A9 00 lda #0 ; set up write pointer
|
||||
006085 1 85 FA sta ZP_PTR
|
||||
006087 1 A5 E6 lda PLOTPAGE
|
||||
006089 1 85 FB sta ZP_PTR+1
|
||||
00608B 1 A2 20 ldx #PAGESIZE ; plan to receive this many pages
|
||||
00608D 1 A0 00 ldy #0
|
||||
006083 1 .proc ReceivePage
|
||||
006083 1 A9 00 lda #0 ; set up write pointer
|
||||
006085 1 85 FA sta ZP_PTR
|
||||
006087 1 A5 E6 lda PAGE
|
||||
006089 1 85 FB sta ZP_PTR+1
|
||||
00608B 1 A2 20 ldx #PAGESIZE ; plan to receive this many pages
|
||||
00608D 1 A0 00 ldy #0
|
||||
00608F 1
|
||||
00608F 1 20 3F 60 : jsr SSC::Get ; TODO: look for escape codes in the sequence
|
||||
006092 1 91 FA sta (ZP_PTR),Y
|
||||
006094 1 C8 iny
|
||||
006095 1 D0 F8 bne :- ; Do a full page...
|
||||
00608F 1 20 3F 60 : jsr SSC::Get ; TODO: look for escape codes in the sequence
|
||||
006092 1 91 FA sta (ZP_PTR),Y
|
||||
006094 1 C8 iny
|
||||
006095 1 D0 F8 bne :- ; Do a full page...
|
||||
006097 1
|
||||
006097 1 20 BE 60 jsr SendInputState ; brief moment to send data back upstream
|
||||
006097 1 20 BE 60 jsr SendInputState ; brief moment to send data back upstream
|
||||
00609A 1
|
||||
00609A 1 E6 FB inc ZP_PTR+1
|
||||
00609C 1 CA dex
|
||||
00609D 1 D0 F0 bne :- ; ...as many pages as we need
|
||||
00609F 1 60 rts
|
||||
00609A 1 E6 FB inc ZP_PTR+1
|
||||
00609C 1 CA dex
|
||||
00609D 1 D0 F0 bne :- ; ...as many pages as we need
|
||||
00609F 1 60 rts
|
||||
0060A0 1 .endproc
|
||||
0060A0 1
|
||||
0060A0 1
|
||||
|
|
@ -373,61 +371,58 @@ Current file: client.s
|
|||
0060A0 1 ;;; $7f - $ff - key down, ASCII code + $80
|
||||
0060A0 1 ;;; otherwise, a transition:
|
||||
0060A0 1 ;;;
|
||||
0060A0 1 SIS_KBUP = $00 ; Key up
|
||||
0060A0 1 SIS_OADOWN = $01 ; Open Apple transitioned to down
|
||||
0060A0 1 SIS_OAUP = $02 ; Open Apple transitioned to up
|
||||
0060A0 1 SIS_CADOWN = $03 ; Closed Apple transitioned to down
|
||||
0060A0 1 SIS_CAUP = $04 ; Closed Apple transitioned to up
|
||||
0060A0 1 SIS_KBUP = $00 ; Key up
|
||||
0060A0 1 SIS_OADOWN = $01 ; Open Apple transitioned to down
|
||||
0060A0 1 SIS_OAUP = $02 ; Open Apple transitioned to up
|
||||
0060A0 1 SIS_CADOWN = $03 ; Closed Apple transitioned to down
|
||||
0060A0 1 SIS_CAUP = $04 ; Closed Apple transitioned to up
|
||||
0060A0 1 ;;;
|
||||
0060A0 1 ;;; $05 - $0f : reserved
|
||||
0060A0 1 ;;;
|
||||
0060A0 1 SIS_MX = $10 ; Mouse X high nibble
|
||||
0060A0 1 SIS_MY = $20 ; Mouse Y high nibble
|
||||
0060A0 1 SIS_PDL0 = $30 ; Paddle 0 high nibble
|
||||
0060A0 1 SIS_PDL1 = $40 ; Paddle 1 high nibble
|
||||
0060A0 1 SIS_MX = $10 ; Mouse X high nibble
|
||||
0060A0 1 SIS_MY = $20 ; Mouse Y high nibble
|
||||
0060A0 1 SIS_PDL0 = $30 ; Paddle 0 high nibble
|
||||
0060A0 1 SIS_PDL1 = $40 ; Paddle 1 high nibble
|
||||
0060A0 1 ;;;
|
||||
0060A0 1 ;;; $50 - $7e : reserved
|
||||
0060A0 1 ;;;
|
||||
0060A0 1 SIS_SYNC = $7f
|
||||
0060A0 1 SIS_SYNC = $7f
|
||||
0060A0 1
|
||||
0060A0 1 ;;;---------------------------------------------------------
|
||||
0060A0 1 .proc InitInput
|
||||
0060A0 1 ;;;---------------------------------------------------------
|
||||
0060A0 1 ;;; Initialize input devices and storage for detecting
|
||||
0060A0 1 ;;; state transitions
|
||||
0060A0 1 ;;;---------------------------------------------------------
|
||||
0060A0 1
|
||||
0060A0 1 .proc InitInput
|
||||
0060A0 1
|
||||
0060A0 1 ;;; Init keyboard state
|
||||
0060A0 1 A9 00 lda #SIS_KBUP
|
||||
0060A2 1 8D 5B 60 sta LASTKB
|
||||
0060A0 1 A9 00 lda #SIS_KBUP
|
||||
0060A2 1 8D 5B 60 sta LASTKB
|
||||
0060A5 1
|
||||
0060A5 1 ;;; Init Open/Closed Apple states
|
||||
0060A5 1 A9 02 lda #SIS_OAUP ; NOTE: Don't store OA state as it fluctuates
|
||||
0060A7 1 8D 5C 60 sta LASTOA
|
||||
0060AA 1 A9 04 lda #SIS_CAUP ; NOTE: Don't store CA state as it fluctuates
|
||||
0060AC 1 8D 5D 60 sta LASTCA
|
||||
0060A5 1 A9 02 lda #SIS_OAUP ; NOTE: Don't store OA state as it fluctuates
|
||||
0060A7 1 8D 5C 60 sta LASTOA
|
||||
0060AA 1 A9 04 lda #SIS_CAUP ; NOTE: Don't store CA state as it fluctuates
|
||||
0060AC 1 8D 5D 60 sta LASTCA
|
||||
0060AF 1
|
||||
0060AF 1 .ifdef PADDLE_SUPPORT
|
||||
0060AF 1 .ifdef PADDLE_SUPPORT
|
||||
0060AF 1 ;;; Init Paddle state
|
||||
0060AF 1 A9 30 lda #SIS_PDL0
|
||||
0060B1 1 09 08 ora #8 ; Middle of range 0...15
|
||||
0060B3 1 8D 5E 60 sta LASTP0
|
||||
0060B6 1 A9 40 lda #SIS_PDL1
|
||||
0060B8 1 09 08 ora #8 ; Middle of range 0...15
|
||||
0060BA 1 8D 5F 60 sta LASTP1
|
||||
0060BD 1 .endif
|
||||
0060AF 1 A9 30 lda #SIS_PDL0
|
||||
0060B1 1 09 08 ora #8 ; Middle of range 0...15
|
||||
0060B3 1 8D 5E 60 sta LASTP0
|
||||
0060B6 1 A9 40 lda #SIS_PDL1
|
||||
0060B8 1 09 08 ora #8 ; Middle of range 0...15
|
||||
0060BA 1 8D 5F 60 sta LASTP1
|
||||
0060BD 1 .endif
|
||||
0060BD 1
|
||||
0060BD 1 .ifdef MOUSE_SUPPORT
|
||||
0060BD 1 jsr Mouse::FindMouse
|
||||
0060BD 1 .endif
|
||||
0060BD 1 .ifdef MOUSE_SUPPORT
|
||||
0060BD 1 jsr Mouse::FindMouse
|
||||
0060BD 1 .endif
|
||||
0060BD 1
|
||||
0060BD 1 60 rts
|
||||
0060BD 1 60 rts
|
||||
0060BE 1 .endproc
|
||||
0060BE 1
|
||||
0060BE 1
|
||||
0060BE 1 ;;;---------------------------------------------------------
|
||||
0060BE 1 .proc SendInputState
|
||||
0060BE 1 ;;;---------------------------------------------------------
|
||||
0060BE 1 ;;; Send keyboard joystick and/or mouse state over the
|
||||
0060BE 1 ;;; serial port
|
||||
0060BE 1 ;;;
|
||||
|
|
@ -438,11 +433,12 @@ Current file: client.s
|
|||
0060BE 1 ;;; - otherwise send paddle 0 state (if it changed)
|
||||
0060BE 1 ;;; - (TODO: Mouse state)
|
||||
0060BE 1 ;;; - otherwise send sync byte
|
||||
0060BE 1 ;;;---------------------------------------------------------
|
||||
0060BE 1
|
||||
0060BE 1 48 8A 48 98 SaveRegisters ; Store registers
|
||||
0060BE 1 .proc SendInputState
|
||||
0060BE 1
|
||||
0060BE 1 48 8A 48 98 SaveRegisters ; Store registers
|
||||
0060C2 1 48
|
||||
0060C3 1 18 clc
|
||||
0060C3 1 18 clc
|
||||
0060C4 1
|
||||
0060C4 1 ;;;--------------------------------------
|
||||
0060C4 1 ;;; Send key state, if it changed
|
||||
|
|
@ -458,32 +454,32 @@ Current file: client.s
|
|||
0060C4 1 ;;; Down - Down Save and send key ONLY if different
|
||||
0060C4 1 ;;;
|
||||
0060C4 1
|
||||
0060C4 1 AD 5B 60 lda LASTKB
|
||||
0060C7 1 D0 0E bne KEY_WAS_DOWN
|
||||
0060C4 1 AD 5B 60 lda LASTKB
|
||||
0060C7 1 D0 0E bne KEY_WAS_DOWN
|
||||
0060C9 1
|
||||
0060C9 1 KEY_WAS_UP:
|
||||
0060C9 1 AD 00 C0 lda KBD ; Read keyboard
|
||||
0060CC 1 10 27 bpl END_KEY ; - still up
|
||||
0060CE 1 8D 5B 60 sta LASTKB ; Down, so save it
|
||||
0060D1 1 20 30 60 jsr SSC::Put ; and send it
|
||||
0060D4 1 4C 86 61 jmp DONE
|
||||
0060C9 1 AD 00 C0 lda KBD ; Read keyboard
|
||||
0060CC 1 10 27 bpl END_KEY ; - still up
|
||||
0060CE 1 8D 5B 60 sta LASTKB ; Down, so save it
|
||||
0060D1 1 20 30 60 jsr SSC::Put ; and send it
|
||||
0060D4 1 4C 86 61 jmp DONE
|
||||
0060D7 1
|
||||
0060D7 1 KEY_WAS_DOWN:
|
||||
0060D7 1 ; key was down - strobe should match
|
||||
0060D7 1 ; unless the key changed or was released
|
||||
0060D7 1 AD 10 C0 lda KBDSTRB
|
||||
0060DA 1 30 0B bmi KBDSTRB_DOWN
|
||||
0060D7 1 ; key was down - strobe should match
|
||||
0060D7 1 ; unless the key changed or was released
|
||||
0060D7 1 AD 10 C0 lda KBDSTRB
|
||||
0060DA 1 30 0B bmi KBDSTRB_DOWN
|
||||
0060DC 1 KBDSTRB_UP:
|
||||
0060DC 1 A9 00 lda #SIS_KBUP ; Key was released
|
||||
0060DE 1 8D 5B 60 sta LASTKB ; so save it
|
||||
0060E1 1 20 30 60 jsr SSC::Put ; and send it
|
||||
0060E4 1 4C 86 61 jmp DONE
|
||||
0060DC 1 A9 00 lda #SIS_KBUP ; Key was released
|
||||
0060DE 1 8D 5B 60 sta LASTKB ; so save it
|
||||
0060E1 1 20 30 60 jsr SSC::Put ; and send it
|
||||
0060E4 1 4C 86 61 jmp DONE
|
||||
0060E7 1 KBDSTRB_DOWN:
|
||||
0060E7 1 CD 5B 60 cmp LASTKB ; Same key as last time?
|
||||
0060EA 1 F0 09 beq END_KEY ; - no change
|
||||
0060EC 1 8D 5B 60 sta LASTKB ; New key, so save it
|
||||
0060EF 1 20 30 60 jsr SSC::Put ; and send it
|
||||
0060F2 1 4C 86 61 jmp DONE
|
||||
0060E7 1 CD 5B 60 cmp LASTKB ; Same key as last time?
|
||||
0060EA 1 F0 09 beq END_KEY ; - no change
|
||||
0060EC 1 8D 5B 60 sta LASTKB ; New key, so save it
|
||||
0060EF 1 20 30 60 jsr SSC::Put ; and send it
|
||||
0060F2 1 4C 86 61 jmp DONE
|
||||
0060F5 1
|
||||
0060F5 1 END_KEY:
|
||||
0060F5 1
|
||||
|
|
@ -494,22 +490,22 @@ Current file: client.s
|
|||
0060F5 1 ;;; for both OA states and bit = 0 down: lda BUTN0 ; ROL ; LDA #0 ; ROL ; ORA #signature
|
||||
0060F5 1
|
||||
0060F5 1 TEST_OA:
|
||||
0060F5 1 AD 61 C0 lda BUTN0 ; Test Open Apple state
|
||||
0060F8 1 30 10 bmi OA_IS_DOWN
|
||||
0060F5 1 AD 61 C0 lda BUTN0 ; Test Open Apple state
|
||||
0060F8 1 30 10 bmi OA_IS_DOWN
|
||||
0060FA 1 OA_IS_UP:
|
||||
0060FA 1 A9 02 lda #SIS_OAUP
|
||||
0060FC 1 CD 5C 60 cmp LASTOA ; Changed?
|
||||
0060FF 1 F0 19 beq END_OA ; Nope
|
||||
006101 1 8D 5C 60 sta LASTOA ; Yes, save it / send it!
|
||||
006104 1 20 30 60 jsr SSC::Put
|
||||
006107 1 4C 86 61 jmp DONE
|
||||
0060FA 1 A9 02 lda #SIS_OAUP
|
||||
0060FC 1 CD 5C 60 cmp LASTOA ; Changed?
|
||||
0060FF 1 F0 19 beq END_OA ; Nope
|
||||
006101 1 8D 5C 60 sta LASTOA ; Yes, save it / send it!
|
||||
006104 1 20 30 60 jsr SSC::Put
|
||||
006107 1 4C 86 61 jmp DONE
|
||||
00610A 1 OA_IS_DOWN:
|
||||
00610A 1 A9 01 lda #SIS_OADOWN
|
||||
00610C 1 CD 5C 60 cmp LASTOA ; Changed?
|
||||
00610F 1 F0 09 beq END_OA ; Nope
|
||||
006111 1 8D 5C 60 sta LASTOA ; Yes, save it / send it!
|
||||
006114 1 20 30 60 jsr SSC::Put
|
||||
006117 1 4C 86 61 jmp DONE
|
||||
00610A 1 A9 01 lda #SIS_OADOWN
|
||||
00610C 1 CD 5C 60 cmp LASTOA ; Changed?
|
||||
00610F 1 F0 09 beq END_OA ; Nope
|
||||
006111 1 8D 5C 60 sta LASTOA ; Yes, save it / send it!
|
||||
006114 1 20 30 60 jsr SSC::Put
|
||||
006117 1 4C 86 61 jmp DONE
|
||||
00611A 1
|
||||
00611A 1 END_OA:
|
||||
00611A 1
|
||||
|
|
@ -517,89 +513,89 @@ Current file: client.s
|
|||
00611A 1 ;;; Send Closed Apple state, if it changed
|
||||
00611A 1
|
||||
00611A 1 TEST_CA:
|
||||
00611A 1 AD 62 C0 lda BUTN1 ; Has the Open Apple/Button 1 value changed?
|
||||
00611D 1 30 10 bmi CA_IS_DOWN
|
||||
00611A 1 AD 62 C0 lda BUTN1 ; Has the Open Apple/Button 1 value changed?
|
||||
00611D 1 30 10 bmi CA_IS_DOWN
|
||||
00611F 1 CA_IS_UP:
|
||||
00611F 1 A9 04 lda #SIS_CAUP
|
||||
006121 1 CD 5D 60 cmp LASTCA ; Changed?
|
||||
006124 1 F0 19 beq END_CA ; Nope
|
||||
006126 1 8D 5D 60 sta LASTCA ; Yes, save it
|
||||
006129 1 20 30 60 jsr SSC::Put ; and send it
|
||||
00612C 1 4C 86 61 jmp DONE
|
||||
00611F 1 A9 04 lda #SIS_CAUP
|
||||
006121 1 CD 5D 60 cmp LASTCA ; Changed?
|
||||
006124 1 F0 19 beq END_CA ; Nope
|
||||
006126 1 8D 5D 60 sta LASTCA ; Yes, save it
|
||||
006129 1 20 30 60 jsr SSC::Put ; and send it
|
||||
00612C 1 4C 86 61 jmp DONE
|
||||
00612F 1 CA_IS_DOWN:
|
||||
00612F 1 A9 03 lda #SIS_CADOWN
|
||||
006131 1 CD 5D 60 cmp LASTCA ; Changed?
|
||||
006134 1 F0 09 beq END_CA ; Nope
|
||||
006136 1 8D 5D 60 sta LASTCA ; Yes, save it
|
||||
006139 1 20 30 60 jsr SSC::Put ; and send it
|
||||
00613C 1 4C 86 61 jmp DONE
|
||||
00612F 1 A9 03 lda #SIS_CADOWN
|
||||
006131 1 CD 5D 60 cmp LASTCA ; Changed?
|
||||
006134 1 F0 09 beq END_CA ; Nope
|
||||
006136 1 8D 5D 60 sta LASTCA ; Yes, save it
|
||||
006139 1 20 30 60 jsr SSC::Put ; and send it
|
||||
00613C 1 4C 86 61 jmp DONE
|
||||
00613F 1
|
||||
00613F 1 END_CA:
|
||||
00613F 1
|
||||
00613F 1 .ifdef PADDLE_SUPPORT
|
||||
00613F 1 .ifdef PADDLE_SUPPORT
|
||||
00613F 1
|
||||
00613F 1 ;;;--------------------------------------
|
||||
00613F 1 ;;; Send Paddle 0 state, if it changed
|
||||
00613F 1 TEST_PDL0:
|
||||
00613F 1 A2 00 ldx #0
|
||||
006141 1 20 1E FB jsr PREAD
|
||||
006144 1 98 tya
|
||||
006145 1 4A lsr ; Shift to low nibble
|
||||
006146 1 4A lsr
|
||||
006147 1 4A lsr
|
||||
006148 1 4A lsr
|
||||
006149 1 09 30 ora #SIS_PDL0 ; And mark it with the signature
|
||||
00614B 1 CD 5E 60 cmp LASTP0 ; Change?
|
||||
00614E 1 F0 09 beq END_PDL0 ; Nope
|
||||
006150 1 8D 5E 60 sta LASTP0 ; Yes, save it
|
||||
006153 1 20 30 60 jsr SSC::Put ; and send it
|
||||
006156 1 4C 86 61 jmp DONE
|
||||
00613F 1 A2 00 ldx #0
|
||||
006141 1 20 1E FB jsr PREAD
|
||||
006144 1 98 tya
|
||||
006145 1 4A lsr ; Shift to low nibble
|
||||
006146 1 4A lsr
|
||||
006147 1 4A lsr
|
||||
006148 1 4A lsr
|
||||
006149 1 09 30 ora #SIS_PDL0 ; And mark it with the signature
|
||||
00614B 1 CD 5E 60 cmp LASTP0 ; Change?
|
||||
00614E 1 F0 09 beq END_PDL0 ; Nope
|
||||
006150 1 8D 5E 60 sta LASTP0 ; Yes, save it
|
||||
006153 1 20 30 60 jsr SSC::Put ; and send it
|
||||
006156 1 4C 86 61 jmp DONE
|
||||
006159 1 END_PDL0:
|
||||
006159 1 ; Chew up time so next paddle read will be correct
|
||||
006159 1 ; TODO: Replace this with a "read both" strobes
|
||||
006159 1 ; routine
|
||||
006159 1 EA EA EA EA : .repeat 11 ; By experiment, need 11 NOPs.
|
||||
006159 1 ; Chew up time so next paddle read will be correct
|
||||
006159 1 ; TODO: Replace this with a "read both" strobes
|
||||
006159 1 ; routine
|
||||
006159 1 EA EA EA EA : .repeat 11 ; By experiment, need 11 NOPs.
|
||||
00615D 1 EA EA EA EA
|
||||
006161 1 EA EA EA
|
||||
006164 1 nop
|
||||
006164 1 .endrep
|
||||
006164 1 C8 iny
|
||||
006165 1 D0 F2 bne :-
|
||||
006164 1 nop
|
||||
006164 1 .endrep
|
||||
006164 1 C8 iny
|
||||
006165 1 D0 F2 bne :-
|
||||
006167 1
|
||||
006167 1 ;;;--------------------------------------
|
||||
006167 1 ;;; Send Paddle 1 state, if it changed
|
||||
006167 1 TEST_PDL1:
|
||||
006167 1 A2 01 ldx #1
|
||||
006169 1 20 1E FB jsr PREAD
|
||||
00616C 1 98 tya
|
||||
00616D 1 4A lsr ; Shift to low nibble
|
||||
00616E 1 4A lsr
|
||||
00616F 1 4A lsr
|
||||
006170 1 4A lsr
|
||||
006171 1 09 40 ora #SIS_PDL1 ; And mark it with the signature
|
||||
006173 1 CD 5F 60 cmp LASTP1 ; Change?
|
||||
006176 1 F0 09 beq END_PDL1 ; Nope
|
||||
006178 1 8D 5F 60 sta LASTP1 ; Yes, save it
|
||||
00617B 1 20 30 60 jsr SSC::Put ; and send it
|
||||
00617E 1 4C 86 61 jmp DONE
|
||||
006167 1 A2 01 ldx #1
|
||||
006169 1 20 1E FB jsr PREAD
|
||||
00616C 1 98 tya
|
||||
00616D 1 4A lsr ; Shift to low nibble
|
||||
00616E 1 4A lsr
|
||||
00616F 1 4A lsr
|
||||
006170 1 4A lsr
|
||||
006171 1 09 40 ora #SIS_PDL1 ; And mark it with the signature
|
||||
006173 1 CD 5F 60 cmp LASTP1 ; Change?
|
||||
006176 1 F0 09 beq END_PDL1 ; Nope
|
||||
006178 1 8D 5F 60 sta LASTP1 ; Yes, save it
|
||||
00617B 1 20 30 60 jsr SSC::Put ; and send it
|
||||
00617E 1 4C 86 61 jmp DONE
|
||||
006181 1 END_PDL1:
|
||||
006181 1 ; NOTE: No need to chew time like PDL0
|
||||
006181 1 ; since data receive will make up for it; if we
|
||||
006181 1 ; loop in SendInputState need to add it here
|
||||
006181 1 ; NOTE: No need to chew time like PDL0
|
||||
006181 1 ; since data receive will make up for it; if we
|
||||
006181 1 ; loop in SendInputState need to add it here
|
||||
006181 1
|
||||
006181 1 .endif
|
||||
006181 1 .endif
|
||||
006181 1
|
||||
006181 1
|
||||
006181 1 ;;;--------------------------------------
|
||||
006181 1 ;;; No state changes so send sync byte
|
||||
006181 1
|
||||
006181 1 A9 7F lda #SIS_SYNC
|
||||
006183 1 20 30 60 jsr SSC::Put
|
||||
006181 1 A9 7F lda #SIS_SYNC
|
||||
006183 1 20 30 60 jsr SSC::Put
|
||||
006186 1
|
||||
006186 1 DONE:
|
||||
006186 1 68 A8 68 AA RestoreRegisters
|
||||
006186 1 68 A8 68 AA RestoreRegisters
|
||||
00618A 1 68
|
||||
00618B 1 60 rts
|
||||
00618B 1 60 rts
|
||||
00618C 1
|
||||
00618C 1 .endproc
|
||||
00618C 1
|
||||
|
|
@ -611,66 +607,41 @@ Current file: client.s
|
|||
00618C 1 ;;;-------------------------------------------------------------------
|
||||
00618C 1
|
||||
00618C 1 ;;;---------------------------------------------------------
|
||||
00618C 1 .proc InitHires
|
||||
00618C 1 ;;;---------------------------------------------------------
|
||||
00618C 1 ;;; Set up the graphics display and pointers
|
||||
00618C 1 ;;;---------------------------------------------------------
|
||||
00618C 1 A9 20 lda #PLOTPAGE1 ; clear page 1
|
||||
00618E 1 85 E6 sta PLOTPAGE
|
||||
006190 1 20 B9 61 jsr ClearHires
|
||||
00618C 1
|
||||
00618C 1 .proc InitHires
|
||||
00618C 1 A9 20 lda #PAGE1 ; clear page 1
|
||||
00618E 1 85 E6 sta PAGE
|
||||
006190 1 20 F2 F3 jsr HCLR
|
||||
006193 1
|
||||
006193 1 20 A3 61 jsr FlipHires ; then show it and flip to 2
|
||||
006196 1 8D 57 C0 sta HIRES
|
||||
006199 1 8D 50 C0 sta TXTCLR
|
||||
00619C 1 8D 52 C0 sta MIXCLR
|
||||
00619F 1 8D 54 C0 sta LOWSCR
|
||||
006193 1 20 A3 61 jsr FlipHires ; then show it and flip to 2
|
||||
006196 1 8D 57 C0 sta HIRES
|
||||
006199 1 8D 50 C0 sta TXTCLR
|
||||
00619C 1 8D 52 C0 sta MIXCLR
|
||||
00619F 1 8D 54 C0 sta LOWSCR
|
||||
0061A2 1
|
||||
0061A2 1 60 rts
|
||||
0061A2 1 60 rts
|
||||
0061A3 1 .endproc
|
||||
0061A3 1
|
||||
0061A3 1
|
||||
0061A3 1 ;;;---------------------------------------------------------
|
||||
0061A3 1 .proc FlipHires
|
||||
0061A3 1 ;;;---------------------------------------------------------
|
||||
0061A3 1 ;;; Call when done with the current plotting page
|
||||
0061A3 1 ;;; (selected in PLOTPAGE) and it will be shown and the
|
||||
0061A3 1 ;;; (selected in PAGE) and it will be shown and the
|
||||
0061A3 1 ;;; other page will be shown.
|
||||
0061A3 1 ;;;---------------------------------------------------------
|
||||
0061A3 1 A5 E6 lda PLOTPAGE ; plotting on which page?
|
||||
0061A5 1 C9 20 cmp #PLOTPAGE1
|
||||
0061A7 1 F0 08 beq :+
|
||||
0061A3 1
|
||||
0061A3 1 .proc FlipHires
|
||||
0061A3 1 A5 E6 lda PAGE ; plotting on which page?
|
||||
0061A5 1 C9 20 cmp #PAGE1
|
||||
0061A7 1 F0 08 beq :+
|
||||
0061A9 1
|
||||
0061A9 1 8D 55 C0 sta HISCR ; page 2 - so show it
|
||||
0061AC 1 A9 20 lda #PLOTPAGE1 ; and plot on page 1
|
||||
0061AE 1 85 E6 sta PLOTPAGE
|
||||
0061B0 1 60 rts
|
||||
0061A9 1 8D 55 C0 sta HISCR ; page 2 - so show it
|
||||
0061AC 1 A9 20 lda #PAGE1 ; and plot on page 1
|
||||
0061AE 1 85 E6 sta PAGE
|
||||
0061B0 1 60 rts
|
||||
0061B1 1
|
||||
0061B1 1 8D 54 C0 : sta LOWSCR ; page 1 - so show it
|
||||
0061B4 1 A9 40 lda #PLOTPAGE2 ; and plot on page 2
|
||||
0061B6 1 85 E6 sta PLOTPAGE
|
||||
0061B8 1 60 rts
|
||||
0061B1 1 8D 54 C0 : sta LOWSCR ; page 1 - so show it
|
||||
0061B4 1 A9 40 lda #PAGE2 ; and plot on page 2
|
||||
0061B6 1 85 E6 sta PAGE
|
||||
0061B8 1 60 rts
|
||||
0061B9 1 .endproc
|
||||
0061B9 1
|
||||
0061B9 1
|
||||
0061B9 1 ;;;---------------------------------------------------------
|
||||
0061B9 1 .proc ClearHires
|
||||
0061B9 1 ;;;---------------------------------------------------------
|
||||
0061B9 1 ;;; Clear hires plotting page (selected in PLOTPAGE) to
|
||||
0061B9 1 ;;; black uses ZP_PTR; not terribly efficient
|
||||
0061B9 1 ;;;---------------------------------------------------------
|
||||
0061B9 1 A9 00 lda #0 ; Set up ZP_PTR as a pointer into the hires page
|
||||
0061BB 1 85 FA sta ZP_PTR
|
||||
0061BD 1 A5 E6 lda PLOTPAGE
|
||||
0061BF 1 85 FB sta ZP_PTR+1
|
||||
0061C1 1 A2 20 ldx #PAGESIZE ; Clear this many pages
|
||||
0061C3 1 A9 00 lda #0 ; with black!
|
||||
0061C5 1 A8 tay
|
||||
0061C6 1 91 FA : sta (ZP_PTR),Y
|
||||
0061C8 1 C8 iny
|
||||
0061C9 1 D0 FB bne :-
|
||||
0061CB 1 E6 FB inc ZP_PTR+1
|
||||
0061CD 1 CA dex
|
||||
0061CE 1 D0 F6 bne :-
|
||||
0061D0 1 60 rts
|
||||
0061D1 1 .endproc
|
||||
0061D1 1
|
||||
|
|
|
|||
490
client/client.s
490
client/client.s
|
|
@ -1,72 +1,58 @@
|
|||
PADDLE_SUPPORT = 1
|
||||
;;;-------------------------------------------------------------------
|
||||
;;;
|
||||
;;; vnIIc Client Application
|
||||
;;;
|
||||
;;;-------------------------------------------------------------------
|
||||
|
||||
PADDLE_SUPPORT = 1
|
||||
;;; MOUSE_SUPPORT = 1
|
||||
|
||||
.include "apple2.inc"
|
||||
.include "apple2.inc"
|
||||
|
||||
.include "macros.inc"
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
;;; Hi-res graphics constants/locations
|
||||
;;;---------------------------------------------------------
|
||||
|
||||
PLOTPAGE := $E6 ; Active hires plotting page (Applesoft)
|
||||
PLOTPAGE1 := $20
|
||||
PLOTPAGE2 := $40
|
||||
PAGESIZE := $20 ; Size of hi-res screen in pages
|
||||
PAGE := $E6 ; Active hires plotting page (Applesoft)
|
||||
PAGE1 := $20
|
||||
PAGE2 := $40
|
||||
|
||||
PAGESIZE := $20 ; Size of hi-res screen in pages
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
;;; ROM routines
|
||||
;;;---------------------------------------------------------
|
||||
|
||||
PREAD := $FB1E ; Monitor paddle reading routine, call
|
||||
; with paddle # in X, returns value in Y
|
||||
PREAD := $FB1E ; Monitor paddle reading routine, call
|
||||
; with paddle # in X, returns value in Y
|
||||
|
||||
HCLR := $F3F2 ; Clear current hires screen to black
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
;;; Other
|
||||
;;;---------------------------------------------------------
|
||||
|
||||
MAX_SLOT := 7 ; Maximum slot # on an Apple II
|
||||
MAX_SLOT := 7 ; Maximum slot # on an Apple II
|
||||
|
||||
ZP_PTR := $FA ; Write cursor location on zero page
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
;;; Generic Macros
|
||||
;;;---------------------------------------------------------
|
||||
|
||||
;;;----------------------------------------
|
||||
.macro SaveRegisters
|
||||
;;;----------------------------------------
|
||||
pha
|
||||
txa
|
||||
pha
|
||||
tya
|
||||
pha
|
||||
.endmacro
|
||||
|
||||
;;;----------------------------------------
|
||||
.macro RestoreRegisters
|
||||
;;;----------------------------------------
|
||||
pla
|
||||
tay
|
||||
pla
|
||||
tax
|
||||
pla
|
||||
.endmacro
|
||||
ZP_PTR := $FA ; Write cursor location on zero page
|
||||
|
||||
|
||||
;;;-------------------------------------------------------------------
|
||||
;;;
|
||||
;;; Application-level logic
|
||||
;;; Client Code
|
||||
;;;
|
||||
;;;-------------------------------------------------------------------
|
||||
|
||||
.org $6000
|
||||
jmp AppEntry
|
||||
|
||||
.org $6000
|
||||
jmp AppEntry
|
||||
.include "ssc.inc"
|
||||
|
||||
.include "ssc.inc"
|
||||
|
||||
.ifdef MOUSE_SUPPORT
|
||||
.ifdef MOUSE_SUPPORT
|
||||
.include "mouse.inc"
|
||||
.endif ; MOUSE_SUPPORT
|
||||
.endif
|
||||
|
||||
|
||||
;;;-------------------------------------------------------------------
|
||||
|
|
@ -74,47 +60,45 @@ ZP_PTR := $FA ; Write cursor location on zero page
|
|||
;;;-------------------------------------------------------------------
|
||||
|
||||
;;; Application configuration
|
||||
PSPEED: .byte SSC::BPS_115k ; Hardcoded for Apple IIc (TODO: Allow configuration)
|
||||
PSLOT: .byte 2 ; Hardcoded for Apple IIc (TODO: Allow configuration)
|
||||
PEXIT: .byte 0 ; Set when it's time to exit (Not Yet Implemented)
|
||||
PSPEED: .byte SSC::BPS_115k ; Hardcoded for Apple IIc (TODO: Allow configuration)
|
||||
PSLOT: .byte 2 ; Hardcoded for Apple IIc (TODO: Allow configuration)
|
||||
PEXIT: .byte 0 ; Set when it's time to exit (Not Yet Implemented)
|
||||
|
||||
;;; Keyboard state
|
||||
LASTKB: .byte 0
|
||||
LASTOA: .byte 0
|
||||
LASTCA: .byte 0
|
||||
LASTKB: .byte 0
|
||||
LASTOA: .byte 0
|
||||
LASTCA: .byte 0
|
||||
|
||||
.ifdef PADDLE_SUPPORT
|
||||
.ifdef PADDLE_SUPPORT
|
||||
|
||||
;;; Paddle state
|
||||
LASTP0: .byte 0
|
||||
LASTP1: .byte 0
|
||||
LASTP0: .byte 0
|
||||
LASTP1: .byte 0
|
||||
|
||||
.endif ; PADDLE_SUPPORT
|
||||
.endif ; PADDLE_SUPPORT
|
||||
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc AppEntry
|
||||
;;;---------------------------------------------------------
|
||||
;;; Initialize the application, and enter the main loop
|
||||
;;;---------------------------------------------------------
|
||||
lda PSLOT ; Use slot 2
|
||||
jsr SSC::Init ; Initialize Super Serial Card
|
||||
jsr InitHires ; Initialize Hi-Res graphics
|
||||
jsr InitInput ; Initialize input devices
|
||||
jsr MainLoop
|
||||
|
||||
; fall through
|
||||
.proc AppEntry
|
||||
lda PSLOT ; Use slot 2
|
||||
jsr SSC::Init ; Initialize Super Serial Card
|
||||
jsr InitHires ; Initialize Hi-Res graphics
|
||||
jsr InitInput ; Initialize input devices
|
||||
jsr MainLoop
|
||||
|
||||
; fall through
|
||||
.endproc
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc AppExit
|
||||
;;;---------------------------------------------------------
|
||||
;;; Clean up and exit app
|
||||
;;;---------------------------------------------------------
|
||||
jsr SSC::Reset
|
||||
sta LOWSCR
|
||||
sta TXTSET
|
||||
rts
|
||||
|
||||
.proc AppExit
|
||||
jsr SSC::Reset
|
||||
sta LOWSCR
|
||||
sta TXTSET
|
||||
rts
|
||||
.endproc
|
||||
|
||||
|
||||
|
|
@ -127,48 +111,45 @@ LASTP1: .byte 0
|
|||
|
||||
;;;---------------------------------------------------------
|
||||
.proc MainLoop
|
||||
;;;---------------------------------------------------------
|
||||
|
||||
;;; TODO: Sort out the protocol - should be able to send
|
||||
;;; input state without receiving data
|
||||
;;; jsr SSCHasData ; Anything to read?
|
||||
;;; jsr SSC::HasData ; Anything to read?
|
||||
;;; bne :+ ; Nope
|
||||
|
||||
: jsr ReceivePage
|
||||
jsr FlipHires
|
||||
jmp :- ; TODO: define an exit trigger
|
||||
rts
|
||||
: jsr ReceivePage
|
||||
jsr FlipHires
|
||||
jmp :- ; TODO: define an exit trigger
|
||||
rts
|
||||
.endproc
|
||||
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc ReceivePage
|
||||
;;;---------------------------------------------------------
|
||||
;;; Pull a hi-res page down over serial
|
||||
;;;
|
||||
;;; Protocol is:
|
||||
;;; * Recieve 256 bytes (graphic data)
|
||||
;;; * Send 1 byte (input state)
|
||||
;;;---------------------------------------------------------
|
||||
|
||||
lda #0 ; set up write pointer
|
||||
sta ZP_PTR
|
||||
lda PLOTPAGE
|
||||
sta ZP_PTR+1
|
||||
ldx #PAGESIZE ; plan to receive this many pages
|
||||
ldy #0
|
||||
.proc ReceivePage
|
||||
lda #0 ; set up write pointer
|
||||
sta ZP_PTR
|
||||
lda PAGE
|
||||
sta ZP_PTR+1
|
||||
ldx #PAGESIZE ; plan to receive this many pages
|
||||
ldy #0
|
||||
|
||||
: jsr SSC::Get ; TODO: look for escape codes in the sequence
|
||||
sta (ZP_PTR),Y
|
||||
iny
|
||||
bne :- ; Do a full page...
|
||||
: jsr SSC::Get ; TODO: look for escape codes in the sequence
|
||||
sta (ZP_PTR),Y
|
||||
iny
|
||||
bne :- ; Do a full page...
|
||||
|
||||
jsr SendInputState ; brief moment to send data back upstream
|
||||
jsr SendInputState ; brief moment to send data back upstream
|
||||
|
||||
inc ZP_PTR+1
|
||||
dex
|
||||
bne :- ; ...as many pages as we need
|
||||
rts
|
||||
inc ZP_PTR+1
|
||||
dex
|
||||
bne :- ; ...as many pages as we need
|
||||
rts
|
||||
.endproc
|
||||
|
||||
|
||||
|
|
@ -181,60 +162,57 @@ LASTP1: .byte 0
|
|||
;;; $7f - $ff - key down, ASCII code + $80
|
||||
;;; otherwise, a transition:
|
||||
;;;
|
||||
SIS_KBUP = $00 ; Key up
|
||||
SIS_OADOWN = $01 ; Open Apple transitioned to down
|
||||
SIS_OAUP = $02 ; Open Apple transitioned to up
|
||||
SIS_CADOWN = $03 ; Closed Apple transitioned to down
|
||||
SIS_CAUP = $04 ; Closed Apple transitioned to up
|
||||
SIS_KBUP = $00 ; Key up
|
||||
SIS_OADOWN = $01 ; Open Apple transitioned to down
|
||||
SIS_OAUP = $02 ; Open Apple transitioned to up
|
||||
SIS_CADOWN = $03 ; Closed Apple transitioned to down
|
||||
SIS_CAUP = $04 ; Closed Apple transitioned to up
|
||||
;;;
|
||||
;;; $05 - $0f : reserved
|
||||
;;;
|
||||
SIS_MX = $10 ; Mouse X high nibble
|
||||
SIS_MY = $20 ; Mouse Y high nibble
|
||||
SIS_PDL0 = $30 ; Paddle 0 high nibble
|
||||
SIS_PDL1 = $40 ; Paddle 1 high nibble
|
||||
SIS_MX = $10 ; Mouse X high nibble
|
||||
SIS_MY = $20 ; Mouse Y high nibble
|
||||
SIS_PDL0 = $30 ; Paddle 0 high nibble
|
||||
SIS_PDL1 = $40 ; Paddle 1 high nibble
|
||||
;;;
|
||||
;;; $50 - $7e : reserved
|
||||
;;;
|
||||
SIS_SYNC = $7f
|
||||
SIS_SYNC = $7f
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc InitInput
|
||||
;;;---------------------------------------------------------
|
||||
;;; Initialize input devices and storage for detecting
|
||||
;;; state transitions
|
||||
;;;---------------------------------------------------------
|
||||
|
||||
.proc InitInput
|
||||
|
||||
;;; Init keyboard state
|
||||
lda #SIS_KBUP
|
||||
sta LASTKB
|
||||
lda #SIS_KBUP
|
||||
sta LASTKB
|
||||
|
||||
;;; Init Open/Closed Apple states
|
||||
lda #SIS_OAUP ; NOTE: Don't store OA state as it fluctuates
|
||||
sta LASTOA
|
||||
lda #SIS_CAUP ; NOTE: Don't store CA state as it fluctuates
|
||||
sta LASTCA
|
||||
lda #SIS_OAUP ; NOTE: Don't store OA state as it fluctuates
|
||||
sta LASTOA
|
||||
lda #SIS_CAUP ; NOTE: Don't store CA state as it fluctuates
|
||||
sta LASTCA
|
||||
|
||||
.ifdef PADDLE_SUPPORT
|
||||
.ifdef PADDLE_SUPPORT
|
||||
;;; Init Paddle state
|
||||
lda #SIS_PDL0
|
||||
ora #8 ; Middle of range 0...15
|
||||
sta LASTP0
|
||||
lda #SIS_PDL1
|
||||
ora #8 ; Middle of range 0...15
|
||||
sta LASTP1
|
||||
.endif
|
||||
lda #SIS_PDL0
|
||||
ora #8 ; Middle of range 0...15
|
||||
sta LASTP0
|
||||
lda #SIS_PDL1
|
||||
ora #8 ; Middle of range 0...15
|
||||
sta LASTP1
|
||||
.endif
|
||||
|
||||
.ifdef MOUSE_SUPPORT
|
||||
jsr Mouse::FindMouse
|
||||
.endif
|
||||
.ifdef MOUSE_SUPPORT
|
||||
jsr Mouse::FindMouse
|
||||
.endif
|
||||
|
||||
rts
|
||||
rts
|
||||
.endproc
|
||||
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc SendInputState
|
||||
;;;---------------------------------------------------------
|
||||
;;; Send keyboard joystick and/or mouse state over the
|
||||
;;; serial port
|
||||
|
|
@ -246,10 +224,11 @@ LASTP1: .byte 0
|
|||
;;; - otherwise send paddle 0 state (if it changed)
|
||||
;;; - (TODO: Mouse state)
|
||||
;;; - otherwise send sync byte
|
||||
;;;---------------------------------------------------------
|
||||
|
||||
SaveRegisters ; Store registers
|
||||
clc
|
||||
.proc SendInputState
|
||||
|
||||
SaveRegisters ; Store registers
|
||||
clc
|
||||
|
||||
;;;--------------------------------------
|
||||
;;; Send key state, if it changed
|
||||
|
|
@ -265,32 +244,32 @@ LASTP1: .byte 0
|
|||
;;; Down - Down Save and send key ONLY if different
|
||||
;;;
|
||||
|
||||
lda LASTKB
|
||||
bne KEY_WAS_DOWN
|
||||
lda LASTKB
|
||||
bne KEY_WAS_DOWN
|
||||
|
||||
KEY_WAS_UP:
|
||||
lda KBD ; Read keyboard
|
||||
bpl END_KEY ; - still up
|
||||
sta LASTKB ; Down, so save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
lda KBD ; Read keyboard
|
||||
bpl END_KEY ; - still up
|
||||
sta LASTKB ; Down, so save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
|
||||
KEY_WAS_DOWN:
|
||||
; key was down - strobe should match
|
||||
; unless the key changed or was released
|
||||
lda KBDSTRB
|
||||
bmi KBDSTRB_DOWN
|
||||
; key was down - strobe should match
|
||||
; unless the key changed or was released
|
||||
lda KBDSTRB
|
||||
bmi KBDSTRB_DOWN
|
||||
KBDSTRB_UP:
|
||||
lda #SIS_KBUP ; Key was released
|
||||
sta LASTKB ; so save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
lda #SIS_KBUP ; Key was released
|
||||
sta LASTKB ; so save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
KBDSTRB_DOWN:
|
||||
cmp LASTKB ; Same key as last time?
|
||||
beq END_KEY ; - no change
|
||||
sta LASTKB ; New key, so save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
cmp LASTKB ; Same key as last time?
|
||||
beq END_KEY ; - no change
|
||||
sta LASTKB ; New key, so save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
|
||||
END_KEY:
|
||||
|
||||
|
|
@ -301,22 +280,22 @@ END_KEY:
|
|||
;;; for both OA states and bit = 0 down: lda BUTN0 ; ROL ; LDA #0 ; ROL ; ORA #signature
|
||||
|
||||
TEST_OA:
|
||||
lda BUTN0 ; Test Open Apple state
|
||||
bmi OA_IS_DOWN
|
||||
lda BUTN0 ; Test Open Apple state
|
||||
bmi OA_IS_DOWN
|
||||
OA_IS_UP:
|
||||
lda #SIS_OAUP
|
||||
cmp LASTOA ; Changed?
|
||||
beq END_OA ; Nope
|
||||
sta LASTOA ; Yes, save it / send it!
|
||||
jsr SSC::Put
|
||||
jmp DONE
|
||||
lda #SIS_OAUP
|
||||
cmp LASTOA ; Changed?
|
||||
beq END_OA ; Nope
|
||||
sta LASTOA ; Yes, save it / send it!
|
||||
jsr SSC::Put
|
||||
jmp DONE
|
||||
OA_IS_DOWN:
|
||||
lda #SIS_OADOWN
|
||||
cmp LASTOA ; Changed?
|
||||
beq END_OA ; Nope
|
||||
sta LASTOA ; Yes, save it / send it!
|
||||
jsr SSC::Put
|
||||
jmp DONE
|
||||
lda #SIS_OADOWN
|
||||
cmp LASTOA ; Changed?
|
||||
beq END_OA ; Nope
|
||||
sta LASTOA ; Yes, save it / send it!
|
||||
jsr SSC::Put
|
||||
jmp DONE
|
||||
|
||||
END_OA:
|
||||
|
||||
|
|
@ -324,86 +303,86 @@ END_OA:
|
|||
;;; Send Closed Apple state, if it changed
|
||||
|
||||
TEST_CA:
|
||||
lda BUTN1 ; Has the Open Apple/Button 1 value changed?
|
||||
bmi CA_IS_DOWN
|
||||
lda BUTN1 ; Has the Open Apple/Button 1 value changed?
|
||||
bmi CA_IS_DOWN
|
||||
CA_IS_UP:
|
||||
lda #SIS_CAUP
|
||||
cmp LASTCA ; Changed?
|
||||
beq END_CA ; Nope
|
||||
sta LASTCA ; Yes, save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
lda #SIS_CAUP
|
||||
cmp LASTCA ; Changed?
|
||||
beq END_CA ; Nope
|
||||
sta LASTCA ; Yes, save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
CA_IS_DOWN:
|
||||
lda #SIS_CADOWN
|
||||
cmp LASTCA ; Changed?
|
||||
beq END_CA ; Nope
|
||||
sta LASTCA ; Yes, save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
lda #SIS_CADOWN
|
||||
cmp LASTCA ; Changed?
|
||||
beq END_CA ; Nope
|
||||
sta LASTCA ; Yes, save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
|
||||
END_CA:
|
||||
|
||||
.ifdef PADDLE_SUPPORT
|
||||
.ifdef PADDLE_SUPPORT
|
||||
|
||||
;;;--------------------------------------
|
||||
;;; Send Paddle 0 state, if it changed
|
||||
TEST_PDL0:
|
||||
ldx #0
|
||||
jsr PREAD
|
||||
tya
|
||||
lsr ; Shift to low nibble
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
ora #SIS_PDL0 ; And mark it with the signature
|
||||
cmp LASTP0 ; Change?
|
||||
beq END_PDL0 ; Nope
|
||||
sta LASTP0 ; Yes, save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
ldx #0
|
||||
jsr PREAD
|
||||
tya
|
||||
lsr ; Shift to low nibble
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
ora #SIS_PDL0 ; And mark it with the signature
|
||||
cmp LASTP0 ; Change?
|
||||
beq END_PDL0 ; Nope
|
||||
sta LASTP0 ; Yes, save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
END_PDL0:
|
||||
; Chew up time so next paddle read will be correct
|
||||
; TODO: Replace this with a "read both" strobes
|
||||
; routine
|
||||
: .repeat 11 ; By experiment, need 11 NOPs.
|
||||
nop
|
||||
.endrep
|
||||
iny
|
||||
bne :-
|
||||
; Chew up time so next paddle read will be correct
|
||||
; TODO: Replace this with a "read both" strobes
|
||||
; routine
|
||||
: .repeat 11 ; By experiment, need 11 NOPs.
|
||||
nop
|
||||
.endrep
|
||||
iny
|
||||
bne :-
|
||||
|
||||
;;;--------------------------------------
|
||||
;;; Send Paddle 1 state, if it changed
|
||||
TEST_PDL1:
|
||||
ldx #1
|
||||
jsr PREAD
|
||||
tya
|
||||
lsr ; Shift to low nibble
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
ora #SIS_PDL1 ; And mark it with the signature
|
||||
cmp LASTP1 ; Change?
|
||||
beq END_PDL1 ; Nope
|
||||
sta LASTP1 ; Yes, save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
ldx #1
|
||||
jsr PREAD
|
||||
tya
|
||||
lsr ; Shift to low nibble
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
ora #SIS_PDL1 ; And mark it with the signature
|
||||
cmp LASTP1 ; Change?
|
||||
beq END_PDL1 ; Nope
|
||||
sta LASTP1 ; Yes, save it
|
||||
jsr SSC::Put ; and send it
|
||||
jmp DONE
|
||||
END_PDL1:
|
||||
; NOTE: No need to chew time like PDL0
|
||||
; since data receive will make up for it; if we
|
||||
; loop in SendInputState need to add it here
|
||||
; NOTE: No need to chew time like PDL0
|
||||
; since data receive will make up for it; if we
|
||||
; loop in SendInputState need to add it here
|
||||
|
||||
.endif
|
||||
.endif
|
||||
|
||||
|
||||
;;;--------------------------------------
|
||||
;;; No state changes so send sync byte
|
||||
|
||||
lda #SIS_SYNC
|
||||
jsr SSC::Put
|
||||
lda #SIS_SYNC
|
||||
jsr SSC::Put
|
||||
|
||||
DONE:
|
||||
RestoreRegisters
|
||||
rts
|
||||
RestoreRegisters
|
||||
rts
|
||||
|
||||
.endproc
|
||||
|
||||
|
|
@ -414,66 +393,41 @@ DONE:
|
|||
;;;
|
||||
;;;-------------------------------------------------------------------
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc InitHires
|
||||
;;;---------------------------------------------------------
|
||||
;;; Set up the graphics display and pointers
|
||||
;;;---------------------------------------------------------
|
||||
lda #PLOTPAGE1 ; clear page 1
|
||||
sta PLOTPAGE
|
||||
jsr ClearHires
|
||||
|
||||
jsr FlipHires ; then show it and flip to 2
|
||||
sta HIRES
|
||||
sta TXTCLR
|
||||
sta MIXCLR
|
||||
sta LOWSCR
|
||||
.proc InitHires
|
||||
lda #PAGE1 ; clear page 1
|
||||
sta PAGE
|
||||
jsr HCLR
|
||||
|
||||
rts
|
||||
jsr FlipHires ; then show it and flip to 2
|
||||
sta HIRES
|
||||
sta TXTCLR
|
||||
sta MIXCLR
|
||||
sta LOWSCR
|
||||
|
||||
rts
|
||||
.endproc
|
||||
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc FlipHires
|
||||
;;;---------------------------------------------------------
|
||||
;;; Call when done with the current plotting page
|
||||
;;; (selected in PLOTPAGE) and it will be shown and the
|
||||
;;; (selected in PAGE) and it will be shown and the
|
||||
;;; other page will be shown.
|
||||
;;;---------------------------------------------------------
|
||||
lda PLOTPAGE ; plotting on which page?
|
||||
cmp #PLOTPAGE1
|
||||
beq :+
|
||||
|
||||
sta HISCR ; page 2 - so show it
|
||||
lda #PLOTPAGE1 ; and plot on page 1
|
||||
sta PLOTPAGE
|
||||
rts
|
||||
.proc FlipHires
|
||||
lda PAGE ; plotting on which page?
|
||||
cmp #PAGE1
|
||||
beq :+
|
||||
|
||||
: sta LOWSCR ; page 1 - so show it
|
||||
lda #PLOTPAGE2 ; and plot on page 2
|
||||
sta PLOTPAGE
|
||||
rts
|
||||
.endproc
|
||||
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc ClearHires
|
||||
;;;---------------------------------------------------------
|
||||
;;; Clear hires plotting page (selected in PLOTPAGE) to
|
||||
;;; black uses ZP_PTR; not terribly efficient
|
||||
;;;---------------------------------------------------------
|
||||
lda #0 ; Set up ZP_PTR as a pointer into the hires page
|
||||
sta ZP_PTR
|
||||
lda PLOTPAGE
|
||||
sta ZP_PTR+1
|
||||
ldx #PAGESIZE ; Clear this many pages
|
||||
lda #0 ; with black!
|
||||
tay
|
||||
: sta (ZP_PTR),Y
|
||||
iny
|
||||
bne :-
|
||||
inc ZP_PTR+1
|
||||
dex
|
||||
bne :-
|
||||
rts
|
||||
sta HISCR ; page 2 - so show it
|
||||
lda #PAGE1 ; and plot on page 1
|
||||
sta PAGE
|
||||
rts
|
||||
|
||||
: sta LOWSCR ; page 1 - so show it
|
||||
lda #PAGE2 ; and plot on page 2
|
||||
sta PAGE
|
||||
rts
|
||||
.endproc
|
||||
|
|
|
|||
|
|
@ -0,0 +1,21 @@
|
|||
;;;---------------------------------------------------------
|
||||
;;;
|
||||
;;; Generic Macros
|
||||
;;;
|
||||
;;;---------------------------------------------------------
|
||||
|
||||
.macro SaveRegisters
|
||||
pha
|
||||
txa
|
||||
pha
|
||||
tya
|
||||
pha
|
||||
.endmacro
|
||||
|
||||
.macro RestoreRegisters
|
||||
pla
|
||||
tay
|
||||
pla
|
||||
tax
|
||||
pla
|
||||
.endmacro
|
||||
340
client/mouse.inc
340
client/mouse.inc
|
|
@ -3,7 +3,7 @@
|
|||
;;; Mouse
|
||||
;;;
|
||||
;;;-------------------------------------------------------------------
|
||||
.error "Mouse support not fully implemented"
|
||||
.error "Mouse support not fully implemented"
|
||||
|
||||
.proc Mouse
|
||||
|
||||
|
|
@ -13,54 +13,54 @@
|
|||
|
||||
;;; 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_MODE := $07F8 ; + slot Mode byte
|
||||
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_MODE := $07F8 ; + slot Mode byte
|
||||
|
||||
;;; 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 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_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_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
|
||||
MOUSEID_ADDR: .byte $05, $07, $0b, $0c, $fb
|
||||
MOUSEID_VAL: .byte $38, $18, $01, $20, $d6
|
||||
MOUSEID_ADDR: .byte $05, $07, $0b, $0c, $fb
|
||||
MOUSEID_VAL: .byte $38, $18, $01, $20, $d6
|
||||
|
||||
SLOT_BASE := $C000
|
||||
SLOT_BASE := $C000
|
||||
|
||||
;;;--------------------------------------------------
|
||||
;;; 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
|
||||
LAST_MX: .byte $7f
|
||||
LAST_MY: .byte $7f
|
||||
|
||||
|
||||
;;;--------------------------------------------------
|
||||
;;; Routines
|
||||
;;;--------------------------------------------------
|
||||
|
||||
MOUSEPTR = $EB ; Zero page location
|
||||
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_MIN_X := $10
|
||||
MOUSE_MAX_X := $1f
|
||||
MOUSE_CENTER_X := $17
|
||||
MOUSE_MIN_Y := $20
|
||||
MOUSE_MAX_Y := $2f
|
||||
MOUSE_CENTER_Y := $2f
|
||||
|
||||
|
||||
;;;--------------------------------------------------
|
||||
|
|
@ -74,116 +74,114 @@ MOUSE_CENTER_Y := $2f
|
|||
;;; min: minimum value (2 byte)
|
||||
;;; max: maximum value (2 byte)
|
||||
;;;----------------------------------------
|
||||
; Clamp X to 0...255
|
||||
lda #<min
|
||||
sta MOUSE_CMIN_LSB
|
||||
lda #>min
|
||||
sta MOUSE_CMIN_MSB
|
||||
lda #<max
|
||||
sta MOUSE_CMAX_LSB
|
||||
lda #>max
|
||||
sta MOUSE_CMAX_MSB
|
||||
lda #axis
|
||||
jsr CLAMPMOUSE
|
||||
lda #<min
|
||||
sta MOUSE_CMIN_LSB
|
||||
lda #>min
|
||||
sta MOUSE_CMIN_MSB
|
||||
lda #<max
|
||||
sta MOUSE_CMAX_LSB
|
||||
lda #>max
|
||||
sta MOUSE_CMAX_MSB
|
||||
lda #axis
|
||||
jsr CLAMPMOUSE
|
||||
.endmacro
|
||||
|
||||
;;;----------------------------------------
|
||||
.macro PosMouse px, py
|
||||
;;;----------------------------------------
|
||||
ldx MOUSE_SLOT
|
||||
lda #<px
|
||||
sta MOUSE_X_LSB,X
|
||||
lda #>px
|
||||
sta MOUSE_X_MSB,X
|
||||
lda #<py
|
||||
sta MOUSE_Y_LSB,X
|
||||
lda #>py
|
||||
sta MOUSE_Y_MSB,X
|
||||
jsr POSMOUSE
|
||||
ldx MOUSE_SLOT
|
||||
lda #<px
|
||||
sta MOUSE_X_LSB,X
|
||||
lda #>px
|
||||
sta MOUSE_X_MSB,X
|
||||
lda #<py
|
||||
sta MOUSE_Y_LSB,X
|
||||
lda #>py
|
||||
sta MOUSE_Y_MSB,X
|
||||
jsr POSMOUSE
|
||||
.endmacro
|
||||
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc FindMouse
|
||||
;;;---------------------------------------------------------
|
||||
;;; Find and initialize the mouse port
|
||||
;;;---------------------------------------------------------
|
||||
|
||||
.proc FindMouse
|
||||
|
||||
;;; Reference: http://home.swbell.net/rubywand/R034MOUSEPRG.TXT
|
||||
|
||||
sei ; No interrupts while we're getting set up
|
||||
;
|
||||
sei ; No interrupts while we're getting set up
|
||||
;
|
||||
;;; Step 1: Find the mouse card by scanning slots for ID bytes
|
||||
;
|
||||
;
|
||||
|
||||
ldy #MAX_SLOT ; Start search in slot 7
|
||||
ldy #MAX_SLOT ; Start search in slot 7
|
||||
|
||||
TESTSLOT:
|
||||
sty MOUSE_SLOT ; Save for later
|
||||
tya
|
||||
clc
|
||||
adc #>SLOT_BASE ; Firmware is $c0 + slot
|
||||
sta slot_addr + 1 ; Update msb of signature test
|
||||
ldx #MOUSEID_MAX ; This many signature bytes
|
||||
sty MOUSE_SLOT ; Save for later
|
||||
tya
|
||||
clc
|
||||
adc #>SLOT_BASE ; Firmware is $c0 + slot
|
||||
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
|
||||
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
|
||||
bpl TESTID ; Fall through if all done
|
||||
jmp FOUND_MOUSE
|
||||
lda MOUSEID_ADDR,x
|
||||
sta MOD_MOUSE_ID + 1 ; 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
|
||||
dex ; Yes! Keep testing
|
||||
bpl TESTID ; Fall through if all done
|
||||
jmp FOUND_MOUSE
|
||||
|
||||
NOMATCH:
|
||||
dey ; Didn't match
|
||||
bne TESTSLOT ; Keep looking until slot 0
|
||||
sty MOUSE_SLOT ; Oops, no mouse - make a note
|
||||
rts ; and bail
|
||||
dey ; Didn't match
|
||||
bne TESTSLOT ; Keep looking until slot 0
|
||||
sty MOUSE_SLOT ; Oops, no mouse - make a note
|
||||
rts ; and bail
|
||||
|
||||
;
|
||||
;
|
||||
;;; Step 2: Set up indirect calling routines
|
||||
;
|
||||
;
|
||||
|
||||
FOUND_MOUSE:
|
||||
; Slot is in y
|
||||
; Slot is in y
|
||||
|
||||
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
|
||||
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 ($Cn00)
|
||||
lda #0
|
||||
sta MOUSEPTR ; LSB of MOUSEPTR ($Cn00)
|
||||
|
||||
tya
|
||||
asl ; Compute $n0 - needed for
|
||||
asl
|
||||
asl
|
||||
asl
|
||||
sta TOMOUSE_n0 ; Y register before firmware calls
|
||||
tya
|
||||
asl ; Compute $n0 - needed for
|
||||
asl
|
||||
asl
|
||||
asl
|
||||
sta TOMOUSE_n0 ; Y register before firmware calls
|
||||
|
||||
;
|
||||
;
|
||||
;;; Step 3: Configure the 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)
|
||||
;
|
||||
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
|
||||
;
|
||||
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
|
||||
|
||||
cli ; Enable interrupts so mouse can function
|
||||
cli ; Enable interrupts so mouse can function
|
||||
|
||||
rts
|
||||
rts
|
||||
|
||||
.endproc
|
||||
|
||||
|
|
@ -192,104 +190,102 @@ FOUND_MOUSE:
|
|||
;;; Indirect jump table for mouse firmware routines
|
||||
;;;--------------------------------------------------
|
||||
|
||||
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
|
||||
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 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
|
||||
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
|
||||
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 $n0 form in Y
|
||||
php ; Save interrupt state
|
||||
sei ; No interrupts while calling
|
||||
bit BANK
|
||||
TOMOUSE_slot := *+1
|
||||
jsr 0 ; Go to the mouse routine
|
||||
plp ; Restore interrupt state
|
||||
rts
|
||||
TOMOUSE_Cn := *+1
|
||||
ldx #$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
|
||||
rts
|
||||
.endproc
|
||||
|
||||
TOMOUSE_Cn := GoMouse::TOMOUSE_Cn
|
||||
TOMOUSE_n0 := GoMouse::TOMOUSE_n0
|
||||
TOMOUSE_lsb := GoMouse::TOMOUSE_slot
|
||||
TOMOUSE_msb := GoMouse::TOMOUSE_slot+1
|
||||
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
|
||||
;;;--------------------------------------------------
|
||||
;
|
||||
;;;--------------------------------------------------
|
||||
txa ; save x
|
||||
pha
|
||||
tya ; save y
|
||||
pha
|
||||
|
||||
jsr READMOUSE
|
||||
txa ; save x
|
||||
pha
|
||||
tya ; save y
|
||||
pha
|
||||
|
||||
jmp DONE
|
||||
jsr READMOUSE
|
||||
|
||||
ldx MOUSE_SLOT
|
||||
jmp DONE
|
||||
|
||||
lda MOUSE_X_LSB,x
|
||||
sta LAST_MX
|
||||
ldx MOUSE_SLOT
|
||||
|
||||
lda MOUSE_Y_LSB,x
|
||||
sta LAST_MY
|
||||
lda MOUSE_X_LSB,x
|
||||
sta LAST_MX
|
||||
|
||||
lda LAST_MX
|
||||
cmp #MOUSE_CENTER_X
|
||||
bne SEND
|
||||
lda MOUSE_Y_LSB,x
|
||||
sta LAST_MY
|
||||
|
||||
lda LAST_MY
|
||||
cmp #MOUSE_CENTER_Y
|
||||
beq DONE
|
||||
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
|
||||
jsr SSC::Put
|
||||
lda LAST_MX
|
||||
ora #SIS_MX
|
||||
jsr SSC::Put
|
||||
lda LAST_MY
|
||||
ora #SIS_MY
|
||||
jsr SSC::Put
|
||||
|
||||
PosMouse MOUSE_CENTER_X, MOUSE_CENTER_Y
|
||||
PosMouse MOUSE_CENTER_X, MOUSE_CENTER_Y
|
||||
|
||||
DONE:
|
||||
pla ; restore y
|
||||
tay
|
||||
pla ; restore x
|
||||
tax
|
||||
rts
|
||||
pla ; restore y
|
||||
tay
|
||||
pla ; restore x
|
||||
tax
|
||||
rts
|
||||
|
||||
.endproc
|
||||
|
||||
|
|
|
|||
151
client/ssc.inc
151
client/ssc.inc
|
|
@ -13,110 +13,105 @@
|
|||
;;;---------------------------------------------------------
|
||||
|
||||
;;; 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
|
||||
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
|
||||
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
|
||||
CMND_NRDI = $0B ; Command: no parity, RTS on, DTR on, no interrupts
|
||||
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc Init
|
||||
;;;---------------------------------------------------------
|
||||
;;; Initialize the SSC; slot passed in A
|
||||
;;;---------------------------------------------------------
|
||||
asl ; Slot passed in A
|
||||
asl
|
||||
asl
|
||||
asl ; Now $S0
|
||||
adc #$88 ; Low byte of UADATA
|
||||
tax
|
||||
lda #CMND_NRDI ; Command register: no parity, RTS on, DTR on, no interrupts
|
||||
sta $C002,X
|
||||
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 ; Modify references to
|
||||
stx MOD_UADATA_2 ; UADATA to point at
|
||||
stx MOD_UADATA_3 ; correct slot (UADATA+S0)
|
||||
inx
|
||||
stx MOD_UASTAT_1 ; Modify reference to
|
||||
stx MOD_UASTAT_2 ; UASTAT to point at
|
||||
stx MOD_UASTAT_3 ; correct slot (UASTAT+S0)
|
||||
rts
|
||||
|
||||
.proc Init
|
||||
asl ; Slot passed in A
|
||||
asl
|
||||
asl
|
||||
asl ; Now $S0
|
||||
adc #$88 ; Low byte of UADATA
|
||||
tax
|
||||
lda #CMND_NRDI ; Command register: no parity, RTS on, DTR on, no interrupts
|
||||
sta $C002,X
|
||||
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 ; Modify references to
|
||||
stx MOD_UADATA_2 ; UADATA to point at
|
||||
stx MOD_UADATA_3 ; correct slot (UADATA+S0)
|
||||
inx
|
||||
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
|
||||
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc Put
|
||||
;;;---------------------------------------------------------
|
||||
;;; Send accumulator out the serial port
|
||||
;;;---------------------------------------------------------
|
||||
pha ; Push A onto the stack
|
||||
MOD_UASTAT_1 := *+1
|
||||
: lda UASTAT ; Check status bits
|
||||
and #$70
|
||||
cmp #$10
|
||||
bne :- ; Output register is full, so loop
|
||||
pla
|
||||
MOD_UADATA_1 := *+1
|
||||
sta UADATA ; Put character
|
||||
rts
|
||||
|
||||
.proc Put
|
||||
pha ; Push A onto the stack
|
||||
MOD_UASTAT_1 := *+1
|
||||
: lda UASTAT ; Check status bits
|
||||
and #$70
|
||||
cmp #$10
|
||||
bne :- ; Output register is full, so loop
|
||||
pla
|
||||
MOD_UADATA_1 := *+1
|
||||
sta UADATA ; Put character
|
||||
rts
|
||||
.endproc
|
||||
MOD_UASTAT_1 := Put::MOD_UASTAT_1
|
||||
MOD_UADATA_1 := Put::MOD_UADATA_1
|
||||
MOD_UASTAT_1 := Put::MOD_UASTAT_1
|
||||
MOD_UADATA_1 := Put::MOD_UADATA_1
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
;;; Read a character from the serial port to the accumulator
|
||||
|
||||
.proc Get
|
||||
;;;---------------------------------------------------------
|
||||
;;; Read a character from the serial port to the accumulator
|
||||
;;;---------------------------------------------------------
|
||||
MOD_UASTAT_2 := *+1
|
||||
lda UASTAT ; Check status bits
|
||||
and #$68
|
||||
cmp #$8
|
||||
bne Get ; Input register empty, loop
|
||||
MOD_UADATA_2 := *+1
|
||||
lda UADATA ; Get character
|
||||
rts
|
||||
MOD_UASTAT_2 := *+1
|
||||
lda UASTAT ; Check status bits
|
||||
and #$68
|
||||
cmp #$8
|
||||
bne Get ; Input register empty, loop
|
||||
MOD_UADATA_2 := *+1
|
||||
lda UADATA ; Get character
|
||||
rts
|
||||
.endproc
|
||||
MOD_UASTAT_2 := Get::MOD_UASTAT_2
|
||||
MOD_UADATA_2 := Get::MOD_UADATA_2
|
||||
MOD_UASTAT_2 := Get::MOD_UASTAT_2
|
||||
MOD_UADATA_2 := Get::MOD_UADATA_2
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
;;; Check if the serial port has pending data
|
||||
|
||||
.proc HasData
|
||||
;;;---------------------------------------------------------
|
||||
;;; Read a character from the serial port to the accumulator
|
||||
;;;---------------------------------------------------------
|
||||
MOD_UASTAT_3 := *+1
|
||||
lda UASTAT ; Check status bits
|
||||
and #$68
|
||||
cmp #$8
|
||||
rts
|
||||
MOD_UASTAT_3 := *+1
|
||||
lda UASTAT ; Check status bits
|
||||
and #$68
|
||||
cmp #$8
|
||||
rts
|
||||
.endproc
|
||||
MOD_UASTAT_3 := HasData::MOD_UASTAT_3
|
||||
MOD_UASTAT_3 := HasData::MOD_UASTAT_3
|
||||
|
||||
|
||||
;;;---------------------------------------------------------
|
||||
.proc Reset
|
||||
;;;---------------------------------------------------------
|
||||
;;; Clean up serial port
|
||||
;;;---------------------------------------------------------
|
||||
MOD_UADATA_3 := *+1
|
||||
bit UADATA
|
||||
rts
|
||||
|
||||
.proc Reset
|
||||
MOD_UADATA_3 := *+1
|
||||
bit UADATA
|
||||
rts
|
||||
.endproc
|
||||
MOD_UADATA_3 := Reset::MOD_UADATA_3
|
||||
MOD_UADATA_3 := Reset::MOD_UADATA_3
|
||||
|
||||
.endproc
|
||||
|
|
|
|||
Loading…
Reference in New Issue