mirror of https://github.com/smartykit/apple1.git
1104 lines
48 KiB
NASM
1104 lines
48 KiB
NASM
ca65 V2.19 - Git 0f4cb443
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Main file : SmartyKit1_ROM.asm
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Current file: SmartyKit1_ROM.asm
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000000r 1 .feature c_comments
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000000r 1 /* SmartyKit 1 - ROM source
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000000r 1 * http://www.smartykit.io/
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000000r 1 * Copyright (C) 2020, Sergey Panarin <sergey@smartykit.io>
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000000r 1 *
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000000r 1 This program is free software: you can redistribute it and/or modify
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000000r 1 it under the terms of the GNU General Public License as published by
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000000r 1 the Free Software Foundation, either version 3 of the License, or
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000000r 1 (at your option) any later version.
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000000r 1 This program is distributed in the hope that it will be useful,
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000000r 1 but WITHOUT ANY WARRANTY; without even the implied warranty of
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000000r 1 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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000000r 1 GNU General Public License for more details.
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000000r 1 You should have received a copy of the GNU General Public License
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000000r 1 along with this program. If not, see <https://www.gnu.org/licenses/>.
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000000r 1 */
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000000r 1
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000000r 1 .setcpu "6502"
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000000r 1 .segment "PICTURE"
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000000r 1 88 A8 50 07 Woz: .byte $88, $a8, $50, $07, $61, $92, $94, $67
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000004r 1 61 92 94 67
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000008r 1 ; .byte "8*8 Pixel Art picture end", $0d, $00
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000008r 1
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000008r 1 .code
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000000r 1 EA nop
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000001r 1 .segment "C000"
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000000r 1 EA nop
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000001r 1 .segment "E000"
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000000r 1 EA nop
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000001r 1 .segment "F000"
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000000r 1 ;Woz face
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000000r 1 .include "Apple30th_Woz.asm"
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000000r 2 ;SYMBOLS_TABLE = $031D
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000000r 2 ;INSTRUCTIONS_TABLE = $032D
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000000r 2
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000000r 2 VAR_X = $0006
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000000r 2 VAR_Y = $0007
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000000r 2
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000000r 2 ;addresses from Woz Monitor
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000000r 2 ;ECHO = $FFEF
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000000r 2 ;KBD = $D010
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000000r 2 ;KBDCR = $D011
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000000r 2
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000000r 2 SCREEN_WIDTH = $28
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000000r 2
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000000r 2 A9 FF LDA #$FF
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000002r 2 48 PHA
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000003r 2 A9 00 LDA #$00
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000005r 2 48 PHA
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000006r 2 A9 rr A_0286: LDA #<INSTRUCTIONS
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000008r 2 85 06 STA VAR_X ;zp
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00000Ar 2 A9 rr LDA #>INSTRUCTIONS
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00000Cr 2 85 07 STA VAR_Y ;zp
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00000Er 2 20 rr rr A_028R: JSR ECHO_CR
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000011r 2
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000011r 2 A0 00 A_0291: LDY #$00
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000013r 2 B1 06 LDA (VAR_X),Y
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000015r 2 F0 1B BEQ A_02B2
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000017r 2 4A LSR A
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000018r 2 4A LSR A
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000019r 2 4A LSR A
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00001Ar 2 4A LSR A
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00001Br 2 AA TAX
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00001Cr 2 B1 06 LDA (VAR_X),Y
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00001Er 2 29 0F AND #$0F
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000020r 2 A8 TAY
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000021r 2 B9 rr rr LDA SYMBOLS,Y
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000024r 2 20 EF FF A_02A4: JSR ECHO
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000027r 2 CA DEX
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000028r 2 D0 FA BNE A_02A4
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00002Ar 2 E6 06 INC VAR_X ;zp
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00002Cr 2 D0 E3 BNE A_0291
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00002Er 2 E6 07 INC VAR_Y ;zp
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000030r 2 D0 DF BNE A_0291
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000032r 2 C8 A_02B2: INY
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000033r 2 38 SEC
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000034r 2 A9 28 LDA #SCREEN_WIDTH
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000036r 2 F1 06 SBC (VAR_X),Y
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000038r 2 4A LSR A
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000039r 2 AA TAX
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00003Ar 2 A9 A0 LDA #$A0
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00003Cr 2 20 EF FF A_02BC: JSR ECHO
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00003Fr 2 CA DEX
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000040r 2 D0 FA BNE A_02BC
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000042r 2 B1 06 LDA (VAR_X),Y
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000044r 2 AA TAX
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000045r 2 C8 A_02C5: INY
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000046r 2 B1 06 LDA (VAR_X),Y
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000048r 2 20 EF FF JSR ECHO
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00004Br 2 CA DEX
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00004Cr 2 D0 F7 BNE A_02C5
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00004Er 2 C8 INY
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00004Fr 2 98 TYA
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000050r 2 18 CLC
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000051r 2 65 06 ADC VAR_X ;zp
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000053r 2 85 06 STA VAR_X ;zp
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000055r 2 A9 00 LDA #$00
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000057r 2 65 07 ADC VAR_Y ;zp
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000059r 2 85 07 STA VAR_Y ;zp
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00005Br 2 A9 10 LDA #$10
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00005Dr 2 20 rr rr JSR FUNC_WAIT
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000060r 2 20 rr rr JSR ECHO_CR
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000063r 2 A0 00 LDY #$00
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000065r 2 B1 06 LDA (VAR_X),Y
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000067r 2 F0 9D BEQ A_0286
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000069r 2 D0 A3 BNE A_028R
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00006Br 2
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00006Br 2 48 FUNC_WAIT: PHA
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00006Cr 2 8A TXA
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00006Dr 2 48 PHA
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00006Er 2 98 TYA
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00006Fr 2 48 PHA
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000070r 2 A0 FF LDY #$FF
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000072r 2 A2 FF A_02F2: LDX #$FF
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000074r 2 AD 11 D0 A_02F4: LDA KBDCR
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000077r 2 10 09 BPL A_0302
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000079r 2 68 PLA
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00007Ar 2 A8 TAY
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00007Br 2 68 PLA
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00007Cr 2 AA TAX
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00007Dr 2 68 PLA
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00007Er 2 AD 10 D0 LDA KBD
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000081r 2 60 RTS
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000082r 2
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000082r 2 CA A_0302: DEX
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000083r 2 D0 EF BNE A_02F4
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000085r 2 88 DEY
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000086r 2 D0 EA BNE A_02F2
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000088r 2 68 PLA
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000089r 2 A8 TAY
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00008Ar 2 68 PLA
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00008Br 2 AA TAX
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00008Cr 2 68 PLA
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00008Dr 2 38 SEC
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00008Er 2 E9 01 SBC #$01
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000090r 2 D0 D9 BNE FUNC_WAIT
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000092r 2 A9 00 LDA #$00
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000094r 2 60 RTS
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000095r 2
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000095r 2 48 ECHO_CR: PHA
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000096r 2 A9 8D LDA #$8D
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000098r 2 20 EF FF JSR ECHO
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00009Br 2 68 PLA
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00009Cr 2 60 RTS
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00009Dr 2
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00009Dr 2 SYMBOLS:
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00009Dr 2 A0 .BYTE $A0
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00009Er 2 AE .BYTE $AE
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00009Fr 2 BA .BYTE $BA
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0000A0r 2 AC .BYTE $AC
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0000A1r 2 BB .BYTE $BB
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0000A2r 2 A1 .BYTE $A1
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0000A3r 2 AD .BYTE $AD
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0000A4r 2 DE .BYTE $DE
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0000A5r 2 AB .BYTE $AB
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0000A6r 2 BD .BYTE $BD
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0000A7r 2 BF .BYTE $BF
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0000A8r 2 A6 .BYTE $A6
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0000A9r 2 AA .BYTE $AA
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0000AAr 2 A5 .BYTE $A5
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0000ABr 2 A3 .BYTE $A3
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0000ACr 2 C0 .BYTE $C0
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0000ADr 2
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0000ADr 2 INSTRUCTIONS:
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0000ADr 2 FF .BYTE $FF
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0000AEr 2 1F .BYTE $1F
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0000AFr 2 1B .BYTE $1B
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0000B0r 2 17 .BYTE $17
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0000B1r 2 16 .BYTE $16
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0000B2r 2 14 .BYTE $14
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0000B3r 2 13 .BYTE $13
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0000B4r 2 14 .BYTE $14
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0000B5r 2 17 .BYTE $17
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0000B6r 2 1B .BYTE $1B
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0000B7r 2 1E .BYTE $1E
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0000B8r 2 FF .BYTE $FF
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0000B9r 2 CF .BYTE $CF
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0000BAr 2 1E .BYTE $1E
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0000BBr 2 2C .BYTE $2C
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0000BCr 2 18 .BYTE $18
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0000BDr 2 50 .BYTE $50
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0000BEr 2 21 .BYTE $21
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0000BFr 2 12 .BYTE $12
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0000C0r 2 14 .BYTE $14
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0000C1r 2 17 .BYTE $17
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0000C2r 2 1C .BYTE $1C
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0000C3r 2 FF .BYTE $FF
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0000C4r 2 8F .BYTE $8F
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0000C5r 2 1B .BYTE $1B
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0000C6r 2 16 .BYTE $16
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0000C7r 2 12 .BYTE $12
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0000C8r 2 21 .BYTE $21
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0000C9r 2 70 .BYTE $70
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0000CAr 2 31 .BYTE $31
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0000CBr 2 10 .BYTE $10
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0000CCr 2 11 .BYTE $11
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0000CDr 2 18 .BYTE $18
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0000CEr 2 FF .BYTE $FF
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0000CFr 2 5F .BYTE $5F
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0000D0r 2 1D .BYTE $1D
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0000D1r 2 15 .BYTE $15
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0000D2r 2 50 .BYTE $50
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0000D3r 2 21 .BYTE $21
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0000D4r 2 70 .BYTE $70
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0000D5r 2 41 .BYTE $41
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0000D6r 2 18 .BYTE $18
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0000D7r 2 1D .BYTE $1D
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0000D8r 2 FF .BYTE $FF
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0000D9r 2 2F .BYTE $2F
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0000DAr 2 1E .BYTE $1E
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0000DBr 2 14 .BYTE $14
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0000DCr 2 F0 .BYTE $F0
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0000DDr 2 30 .BYTE $30
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0000DEr 2 11 .BYTE $11
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0000DFr 2 10 .BYTE $10
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0000E0r 2 12 .BYTE $12
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0000E1r 2 17 .BYTE $17
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0000E2r 2 1E .BYTE $1E
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0000E3r 2 FF .BYTE $FF
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0000E4r 2 19 .BYTE $19
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0000E5r 2 E0 .BYTE $E0
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0000E6r 2 11 .BYTE $11
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0000E7r 2 12 .BYTE $12
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0000E8r 2 24 .BYTE $24
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0000E9r 2 12 .BYTE $12
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0000EAr 2 40 .BYTE $40
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0000EBr 2 19 .BYTE $19
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0000ECr 2 FF .BYTE $FF
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0000EDr 2 14 .BYTE $14
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0000EEr 2 50 .BYTE $50
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0000EFr 2 23 .BYTE $23
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0000F0r 2 11 .BYTE $11
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0000F1r 2 20 .BYTE $20
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0000F2r 2 21 .BYTE $21
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0000F3r 2 20 .BYTE $20
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0000F4r 2 12 .BYTE $12
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0000F5r 2 15 .BYTE $15
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0000F6r 2 18 .BYTE $18
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0000F7r 2 19 .BYTE $19
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0000F8r 2 16 .BYTE $16
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0000F9r 2 12 .BYTE $12
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0000FAr 2 30 .BYTE $30
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0000FBr 2 12 .BYTE $12
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0000FCr 2 19 .BYTE $19
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0000FDr 2 DF .BYTE $DF
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0000FEr 2 1C .BYTE $1C
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0000FFr 2 11 .BYTE $11
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000100r 2 40 .BYTE $40
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000101r 2 12 .BYTE $12
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000102r 2 19 .BYTE $19
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000103r 2 1A .BYTE $1A
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000104r 2 17 .BYTE $17
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000105r 2 25 .BYTE $25
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000106r 2 26 .BYTE $26
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000107r 2 34 .BYTE $34
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000108r 2 17 .BYTE $17
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000109r 2 2A .BYTE $2A
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00010Ar 2 19 .BYTE $19
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00010Br 2 17 .BYTE $17
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00010Cr 2 13 .BYTE $13
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00010Dr 2 30 .BYTE $30
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00010Er 2 11 .BYTE $11
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00010Fr 2 1B .BYTE $1B
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000110r 2 CF .BYTE $CF
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000111r 2 18 .BYTE $18
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000112r 2 50 .BYTE $50
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000113r 2 13 .BYTE $13
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000114r 2 2A .BYTE $2A
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000115r 2 19 .BYTE $19
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000116r 2 38 .BYTE $38
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000117r 2 19 .BYTE $19
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000118r 2 18 .BYTE $18
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||
000119r 2 27 .BYTE $27
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||
00011Ar 2 28 .BYTE $28
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||
00011Br 2 27 .BYTE $27
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||
00011Cr 2 18 .BYTE $18
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||
00011Dr 2 17 .BYTE $17
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||
00011Er 2 12 .BYTE $12
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||
00011Fr 2 30 .BYTE $30
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||
000120r 2 18 .BYTE $18
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||
000121r 2 CF .BYTE $CF
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||
000122r 2 1A .BYTE $1A
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000123r 2 50 .BYTE $50
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000124r 2 15 .BYTE $15
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000125r 2 19 .BYTE $19
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000126r 2 17 .BYTE $17
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000127r 2 14 .BYTE $14
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000128r 2 13 .BYTE $13
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000129r 2 22 .BYTE $22
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||
00012Ar 2 13 .BYTE $13
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||
00012Br 2 16 .BYTE $16
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||
00012Cr 2 17 .BYTE $17
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||
00012Dr 2 16 .BYTE $16
|
||
00012Er 2 13 .BYTE $13
|
||
00012Fr 2 21 .BYTE $21
|
||
000130r 2 12 .BYTE $12
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||
000131r 2 14 .BYTE $14
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||
000132r 2 17 .BYTE $17
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||
000133r 2 15 .BYTE $15
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||
000134r 2 20 .BYTE $20
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||
000135r 2 13 .BYTE $13
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||
000136r 2 1D .BYTE $1D
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000137r 2 CF .BYTE $CF
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||
000138r 2 1C .BYTE $1C
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||
000139r 2 40 .BYTE $40
|
||
00013Ar 2 12 .BYTE $12
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||
00013Br 2 28 .BYTE $28
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||
00013Cr 2 15 .BYTE $15
|
||
00013Dr 2 13 .BYTE $13
|
||
00013Er 2 11 .BYTE $11
|
||
00013Fr 2 30 .BYTE $30
|
||
000140r 2 12 .BYTE $12
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||
000141r 2 28 .BYTE $28
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||
000142r 2 12 .BYTE $12
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||
000143r 2 10 .BYTE $10
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||
000144r 2 11 .BYTE $11
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||
000145r 2 12 .BYTE $12
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||
000146r 2 14 .BYTE $14
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||
000147r 2 17 .BYTE $17
|
||
000148r 2 18 .BYTE $18
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||
000149r 2 12 .BYTE $12
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||
00014Ar 2 10 .BYTE $10
|
||
00014Br 2 1A .BYTE $1A
|
||
00014Cr 2 DF .BYTE $DF
|
||
00014Dr 2 1D .BYTE $1D
|
||
00014Er 2 12 .BYTE $12
|
||
00014Fr 2 30 .BYTE $30
|
||
000150r 2 14 .BYTE $14
|
||
000151r 2 1A .BYTE $1A
|
||
000152r 2 19 .BYTE $19
|
||
000153r 2 18 .BYTE $18
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||
000154r 2 17 .BYTE $17
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||
000155r 2 45 .BYTE $45
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||
000156r 2 16 .BYTE $16
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||
000157r 2 1B .BYTE $1B
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||
000158r 2 1D .BYTE $1D
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||
000159r 2 18 .BYTE $18
|
||
00015Ar 2 26 .BYTE $26
|
||
00015Br 2 17 .BYTE $17
|
||
00015Cr 2 18 .BYTE $18
|
||
00015Dr 2 1A .BYTE $1A
|
||
00015Er 2 1B .BYTE $1B
|
||
00015Fr 2 15 .BYTE $15
|
||
000160r 2 11 .BYTE $11
|
||
000161r 2 1C .BYTE $1C
|
||
000162r 2 EF .BYTE $EF
|
||
000163r 2 18 .BYTE $18
|
||
000164r 2 10 .BYTE $10
|
||
000165r 2 13 .BYTE $13
|
||
000166r 2 12 .BYTE $12
|
||
000167r 2 13 .BYTE $13
|
||
000168r 2 59 .BYTE $59
|
||
000169r 2 18 .BYTE $18
|
||
00016Ar 2 27 .BYTE $27
|
||
00016Br 2 19 .BYTE $19
|
||
00016Cr 2 1B .BYTE $1B
|
||
00016Dr 2 2C .BYTE $2C
|
||
00016Er 2 1A .BYTE $1A
|
||
00016Fr 2 27 .BYTE $27
|
||
000170r 2 19 .BYTE $19
|
||
000171r 2 2A .BYTE $2A
|
||
000172r 2 17 .BYTE $17
|
||
000173r 2 12 .BYTE $12
|
||
000174r 2 18 .BYTE $18
|
||
000175r 2 EF .BYTE $EF
|
||
000176r 2 1E .BYTE $1E
|
||
000177r 2 12 .BYTE $12
|
||
000178r 2 23 .BYTE $23
|
||
000179r 2 11 .BYTE $11
|
||
00017Ar 2 15 .BYTE $15
|
||
00017Br 2 16 .BYTE $16
|
||
00017Cr 2 35 .BYTE $35
|
||
00017Dr 2 24 .BYTE $24
|
||
00017Er 2 35 .BYTE $35
|
||
00017Fr 2 16 .BYTE $16
|
||
000180r 2 17 .BYTE $17
|
||
000181r 2 16 .BYTE $16
|
||
000182r 2 14 .BYTE $14
|
||
000183r 2 13 .BYTE $13
|
||
000184r 2 14 .BYTE $14
|
||
000185r 2 15 .BYTE $15
|
||
000186r 2 16 .BYTE $16
|
||
000187r 2 15 .BYTE $15
|
||
000188r 2 11 .BYTE $11
|
||
000189r 2 18 .BYTE $18
|
||
00018Ar 2 FF .BYTE $FF
|
||
00018Br 2 17 .BYTE $17
|
||
00018Cr 2 30 .BYTE $30
|
||
00018Dr 2 12 .BYTE $12
|
||
00018Er 2 24 .BYTE $24
|
||
00018Fr 2 13 .BYTE $13
|
||
000190r 2 21 .BYTE $21
|
||
000191r 2 23 .BYTE $23
|
||
000192r 2 11 .BYTE $11
|
||
000193r 2 10 .BYTE $10
|
||
000194r 2 21 .BYTE $21
|
||
000195r 2 22 .BYTE $22
|
||
000196r 2 21 .BYTE $21
|
||
000197r 2 13 .BYTE $13
|
||
000198r 2 14 .BYTE $14
|
||
000199r 2 12 .BYTE $12
|
||
00019Ar 2 13 .BYTE $13
|
||
00019Br 2 1D .BYTE $1D
|
||
00019Cr 2 FF .BYTE $FF
|
||
00019Dr 2 1D .BYTE $1D
|
||
00019Er 2 16 .BYTE $16
|
||
00019Fr 2 11 .BYTE $11
|
||
0001A0r 2 10 .BYTE $10
|
||
0001A1r 2 21 .BYTE $21
|
||
0001A2r 2 22 .BYTE $22
|
||
0001A3r 2 11 .BYTE $11
|
||
0001A4r 2 22 .BYTE $22
|
||
0001A5r 2 13 .BYTE $13
|
||
0001A6r 2 24 .BYTE $24
|
||
0001A7r 2 25 .BYTE $25
|
||
0001A8r 2 14 .BYTE $14
|
||
0001A9r 2 23 .BYTE $23
|
||
0001AAr 2 41 .BYTE $41
|
||
0001ABr 2 1A .BYTE $1A
|
||
0001ACr 2 FF .BYTE $FF
|
||
0001ADr 2 2F .BYTE $2F
|
||
0001AEr 2 1D .BYTE $1D
|
||
0001AFr 2 16 .BYTE $16
|
||
0001B0r 2 15 .BYTE $15
|
||
0001B1r 2 20 .BYTE $20
|
||
0001B2r 2 31 .BYTE $31
|
||
0001B3r 2 13 .BYTE $13
|
||
0001B4r 2 24 .BYTE $24
|
||
0001B5r 2 15 .BYTE $15
|
||
0001B6r 2 16 .BYTE $16
|
||
0001B7r 2 47 .BYTE $47
|
||
0001B8r 2 13 .BYTE $13
|
||
0001B9r 2 11 .BYTE $11
|
||
0001BAr 2 10 .BYTE $10
|
||
0001BBr 2 12 .BYTE $12
|
||
0001BCr 2 19 .BYTE $19
|
||
0001BDr 2 FF .BYTE $FF
|
||
0001BEr 2 2F .BYTE $2F
|
||
0001BFr 2 1D .BYTE $1D
|
||
0001C0r 2 1A .BYTE $1A
|
||
0001C1r 2 1C .BYTE $1C
|
||
0001C2r 2 19 .BYTE $19
|
||
0001C3r 2 13 .BYTE $13
|
||
0001C4r 2 11 .BYTE $11
|
||
0001C5r 2 20 .BYTE $20
|
||
0001C6r 2 21 .BYTE $21
|
||
0001C7r 2 13 .BYTE $13
|
||
0001C8r 2 24 .BYTE $24
|
||
0001C9r 2 33 .BYTE $33
|
||
0001CAr 2 24 .BYTE $24
|
||
0001CBr 2 21 .BYTE $21
|
||
0001CCr 2 13 .BYTE $13
|
||
0001CDr 2 1A .BYTE $1A
|
||
0001CEr 2 EF .BYTE $EF
|
||
0001CFr 2 2E .BYTE $2E
|
||
0001D0r 2 1D .BYTE $1D
|
||
0001D1r 2 1C .BYTE $1C
|
||
0001D2r 2 1B .BYTE $1B
|
||
0001D3r 2 1D .BYTE $1D
|
||
0001D4r 2 1E .BYTE $1E
|
||
0001D5r 2 1B .BYTE $1B
|
||
0001D6r 2 16 .BYTE $16
|
||
0001D7r 2 13 .BYTE $13
|
||
0001D8r 2 51 .BYTE $51
|
||
0001D9r 2 12 .BYTE $12
|
||
0001DAr 2 41 .BYTE $41
|
||
0001DBr 2 12 .BYTE $12
|
||
0001DCr 2 21 .BYTE $21
|
||
0001DDr 2 12 .BYTE $12
|
||
0001DEr 2 18 .BYTE $18
|
||
0001DFr 2 1A .BYTE $1A
|
||
0001E0r 2 1D .BYTE $1D
|
||
0001E1r 2 AF .BYTE $AF
|
||
0001E2r 2 1E .BYTE $1E
|
||
0001E3r 2 1D .BYTE $1D
|
||
0001E4r 2 3C .BYTE $3C
|
||
0001E5r 2 2D .BYTE $2D
|
||
0001E6r 2 4E .BYTE $4E
|
||
0001E7r 2 1A .BYTE $1A
|
||
0001E8r 2 14 .BYTE $14
|
||
0001E9r 2 22 .BYTE $22
|
||
0001EAr 2 11 .BYTE $11
|
||
0001EBr 2 20 .BYTE $20
|
||
0001ECr 2 71 .BYTE $71
|
||
0001EDr 2 13 .BYTE $13
|
||
0001EEr 2 15 .BYTE $15
|
||
0001EFr 2 17 .BYTE $17
|
||
0001F0r 2 2C .BYTE $2C
|
||
0001F1r 2 1D .BYTE $1D
|
||
0001F2r 2 1E .BYTE $1E
|
||
0001F3r 2 7F .BYTE $7F
|
||
0001F4r 2 4D .BYTE $4D
|
||
0001F5r 2 2E .BYTE $2E
|
||
0001F6r 2 2D .BYTE $2D
|
||
0001F7r 2 2E .BYTE $2E
|
||
0001F8r 2 1D .BYTE $1D
|
||
0001F9r 2 2E .BYTE $2E
|
||
0001FAr 2 19 .BYTE $19
|
||
0001FBr 2 23 .BYTE $23
|
||
0001FCr 2 32 .BYTE $32
|
||
0001FDr 2 31 .BYTE $31
|
||
0001FEr 2 22 .BYTE $22
|
||
0001FFr 2 13 .BYTE $13
|
||
000200r 2 15 .BYTE $15
|
||
000201r 2 16 .BYTE $16
|
||
000202r 2 14 .BYTE $14
|
||
000203r 2 17 .BYTE $17
|
||
000204r 2 2E .BYTE $2E
|
||
000205r 2 3D .BYTE $3D
|
||
000206r 2 2E .BYTE $2E
|
||
000207r 2 4F .BYTE $4F
|
||
000208r 2 2E .BYTE $2E
|
||
000209r 2 7D .BYTE $7D
|
||
00020Ar 2 2E .BYTE $2E
|
||
00020Br 2 1D .BYTE $1D
|
||
00020Cr 2 2E .BYTE $2E
|
||
00020Dr 2 1A .BYTE $1A
|
||
00020Er 2 14 .BYTE $14
|
||
00020Fr 2 43 .BYTE $43
|
||
000210r 2 14 .BYTE $14
|
||
000211r 2 13 .BYTE $13
|
||
000212r 2 14 .BYTE $14
|
||
000213r 2 15 .BYTE $15
|
||
000214r 2 16 .BYTE $16
|
||
000215r 2 17 .BYTE $17
|
||
000216r 2 15 .BYTE $15
|
||
000217r 2 14 .BYTE $14
|
||
000218r 2 18 .BYTE $18
|
||
000219r 2 1D .BYTE $1D
|
||
00021Ar 2 4E .BYTE $4E
|
||
00021Br 2 2D .BYTE $2D
|
||
00021Cr 2 4E .BYTE $4E
|
||
00021Dr 2 9D .BYTE $9D
|
||
00021Er 2 4E .BYTE $4E
|
||
00021Fr 2 1C .BYTE $1C
|
||
000220r 2 1A .BYTE $1A
|
||
000221r 2 18 .BYTE $18
|
||
000222r 2 15 .BYTE $15
|
||
000223r 2 14 .BYTE $14
|
||
000224r 2 43 .BYTE $43
|
||
000225r 2 15 .BYTE $15
|
||
000226r 2 26 .BYTE $26
|
||
000227r 2 15 .BYTE $15
|
||
000228r 2 13 .BYTE $13
|
||
000229r 2 16 .BYTE $16
|
||
00022Ar 2 1A .BYTE $1A
|
||
00022Br 2 3E .BYTE $3E
|
||
00022Cr 2 8D .BYTE $8D
|
||
00022Dr 2 00 .BYTE $00
|
||
00022Er 2 04 .BYTE $04
|
||
00022Fr 2 57 .BYTE $57
|
||
000230r 2 4F .BYTE $4F
|
||
000231r 2 5A .BYTE $5A
|
||
000232r 2 20 .BYTE $20
|
||
000233r 2 00 .BYTE $00
|
||
000234r 2
|
||
000234r 2 57 6F 7A 20 .byte "Woz face program end", $0d, $00
|
||
000238r 2 66 61 63 65
|
||
00023Cr 2 20 70 72 6F
|
||
00024Ar 2
|
||
00024Ar 1
|
||
00024Ar 1 .segment "F800"
|
||
000000r 1 ;Test from Apple-1 Operation Manual – printing all ASCII symbols in a loop
|
||
000000r 1 .include "TestFromManual.asm"
|
||
000000r 2 ;Test from Apple-1 Operation Manual – printing all ASCII symbols in a loop
|
||
000000r 2 A9 00 LDA #$00
|
||
000002r 2 AA TEST_LOOP: TAX
|
||
000003r 2 20 EF FF JSR ECHO
|
||
000006r 2 E8 INX
|
||
000007r 2 8A TXA
|
||
000008r 2 4C rr rr JMP TEST_LOOP
|
||
00000Br 2
|
||
00000Br 1
|
||
00000Br 1 .segment "FA00"
|
||
000000r 1 ;Power-On Self Test (POST)
|
||
000000r 1 .include "POST.asm"
|
||
000000r 2 ;KBD = $D010
|
||
000000r 2 ;KBDCR = $D011
|
||
000000r 2 ;DSP = $D012
|
||
000000r 2 ;DSPCR = $D013
|
||
000000r 2 ;START_TEST = $EA
|
||
000000r 2 END_TEST = $EB
|
||
000000r 2
|
||
000000r 2
|
||
000000r 2 LED_BLINKS = 5
|
||
000000r 2 TEST1_REPEATS = 8
|
||
000000r 2 TEST2_REPEATS = 16
|
||
000000r 2 TEST61_REPEATS = 8
|
||
000000r 2 TEST62_REPEATS = 8
|
||
000000r 2 TEST7_REPEATS = 16
|
||
000000r 2 POSTOK_REPEATS = 8
|
||
000000r 2
|
||
000000r 2 /*
|
||
000000r 2 LED_BLINKS = 1
|
||
000000r 2 TEST1_REPEATS = 1
|
||
000000r 2 TEST2_REPEATS = 1
|
||
000000r 2 TEST61_REPEATS = 1
|
||
000000r 2 TEST62_REPEATS = 1
|
||
000000r 2 TEST7_REPEATS = 1
|
||
000000r 2 POSTOK_REPEATS = 1
|
||
000000r 2 */
|
||
000000r 2
|
||
000000r 2
|
||
000000r 2 POST_START:
|
||
000000r 2 ;LDA #START_TEST
|
||
000000r 2 ;STA DSP
|
||
000000r 2 A9 01 LDA #%00000001
|
||
000002r 2 20 rr rr JSR BLINK
|
||
000005r 2 ;Test 1. Memory addresses decoder (blinking in cycle)
|
||
000005r 2 A2 08 MEM_DECODER: LDX #TEST1_REPEATS
|
||
000007r 2 AD 00 FF LOOPADDR: LDA $FF00
|
||
00000Ar 2 AD 00 E0 LDA $E000
|
||
00000Dr 2 AD 00 D0 LDA $D000
|
||
000010r 2 AD 00 C0 LDA $C000
|
||
000013r 2 CA DEX
|
||
000014r 2 D0 F1 BNE LOOPADDR
|
||
000016r 2
|
||
000016r 2 A9 02 LDA #%00000010
|
||
000018r 2 20 rr rr JSR BLINK
|
||
00001Br 2 ;Test 2. Ports decoder (blinking in cycle)
|
||
00001Br 2 A9 10 LDA #TEST2_REPEATS
|
||
00001Dr 2 AA PORTS_DECODER: TAX
|
||
00001Er 2 AC 10 D0 LDY KBD
|
||
000021r 2 AC 11 D0 LDY KBDCR
|
||
000024r 2 8E 12 D0 STX DSP
|
||
000027r 2 2C 12 D0 BIT DSP
|
||
00002Ar 2 CA DEX
|
||
00002Br 2 8A TXA
|
||
00002Cr 2 D0 EF BNE PORTS_DECODER
|
||
00002Er 2
|
||
00002Er 2 A9 04 LDA #%00000100
|
||
000030r 2 20 rr rr JSR BLINK
|
||
000033r 2 ;Test 3. Testing writing to Video port (1->2->4->8->16->32->64->128->256->0)
|
||
000033r 2 A9 01 LDA #%00000001
|
||
000035r 2 8D 12 D0 VIDEO_PORT: STA DSP
|
||
000038r 2 0A ASL A ;shifting 1 to the left
|
||
000039r 2 D0 FA BNE VIDEO_PORT
|
||
00003Br 2
|
||
00003Br 2 A9 08 LDA #%00001000
|
||
00003Dr 2 20 rr rr JSR BLINK
|
||
000040r 2 ;Test 4. Testing writing to Video port via function call (256->128->64->32->16->8->4->2->1->0)
|
||
000040r 2 20 rr rr JSR VIDEO_PORT2
|
||
000043r 2
|
||
000043r 2
|
||
000043r 2 A9 10 LDA #%00010000
|
||
000045r 2 20 rr rr JSR BLINK
|
||
000048r 2 ;Test 5. Testing RAM with write&read (writing TEST_SYMBOL and testing read for every 4Kb block in 32Kb RAM)
|
||
000048r 2 ;Total blocks tested is 8 (4*8 = 32)
|
||
000048r 2 TEST_SYMBOL = $00
|
||
000048r 2
|
||
000048r 2
|
||
000048r 2 D8 RAMTEST: CLD
|
||
000049r 2 A2 00 LDX #$00
|
||
00004Br 2 A0 00 LDY #$00
|
||
00004Dr 2
|
||
00004Dr 2 A9 FF LDA #$FF
|
||
00004Fr 2 85 00 STA $00
|
||
000051r 2 A9 0F LDA #$0F
|
||
000053r 2 85 01 STA $01
|
||
000055r 2
|
||
000055r 2 A9 00 RAMLOOP: LDA #TEST_SYMBOL
|
||
000057r 2 91 00 STA ($00),Y
|
||
000059r 2 B1 00 LDA ($00),Y
|
||
00005Br 2 C9 00 CMP #TEST_SYMBOL
|
||
00005Dr 2 D0 11 BNE TEST_6
|
||
00005Fr 2 8A TXA
|
||
000060r 2 0A ASL A
|
||
000061r 2 69 01 ADC #$01
|
||
000063r 2 8D 12 D0 STA DSP
|
||
000066r 2 AA TAX
|
||
000067r 2 A5 01 LDA $01
|
||
000069r 2 69 10 ADC #$10
|
||
00006Br 2 85 01 STA $01
|
||
00006Dr 2 4C rr rr JMP RAMLOOP
|
||
000070r 2
|
||
000070r 2
|
||
000070r 2 EA TEST_6: NOP
|
||
000071r 2 A9 20 LDA #%00100000
|
||
000073r 2 20 rr rr JSR BLINK
|
||
000076r 2 ;Test 6-7. Testing BIT7 ports - keyboard and video
|
||
000076r 2 BIT7MASK = %10000000
|
||
000076r 2 KBD7MASK = %00000111
|
||
000076r 2 DSP7MASK = %00111111
|
||
000076r 2 ;Test 6. Testing keyboard BIT7 port read (turn on 3 LEDs on the left and show BIT7 in the last LED)
|
||
000076r 2
|
||
000076r 2 A2 08 KBDBIT7: LDX #TEST61_REPEATS
|
||
000078r 2 A9 07 LDA #KBD7MASK
|
||
00007Ar 2 8D 12 D0 STA DSP
|
||
00007Dr 2 KBD7LOOP:
|
||
00007Dr 2 AD 11 D0 LDA KBDCR
|
||
000080r 2 29 80 AND #BIT7MASK
|
||
000082r 2 09 07 ORA #KBD7MASK
|
||
000084r 2 8D 12 D0 STA DSP
|
||
000087r 2 CA DEX
|
||
000088r 2 D0 F3 BNE KBD7LOOP
|
||
00008Ar 2
|
||
00008Ar 2 A9 40 LDA #%01000000
|
||
00008Cr 2 20 rr rr JSR BLINK
|
||
00008Fr 2 ;Test 7. Testing video BIT7 port read (turn on 6 LEDs on the left and show BIT7 in the last LED)
|
||
00008Fr 2 A2 08 DSPBIT7: LDX #TEST62_REPEATS
|
||
000091r 2 A9 3F LDA #DSP7MASK
|
||
000093r 2 8D 12 D0 STA DSP
|
||
000096r 2 DSP7LOOP:
|
||
000096r 2 AD 12 D0 LDA DSP
|
||
000099r 2 29 80 AND #BIT7MASK
|
||
00009Br 2 09 3F ORA #DSP7MASK
|
||
00009Dr 2 8D 12 D0 STA DSP
|
||
0000A0r 2 CA DEX
|
||
0000A1r 2 D0 F3 BNE DSP7LOOP
|
||
0000A3r 2
|
||
0000A3r 2 A9 80 LDA #%10000000
|
||
0000A5r 2 20 rr rr JSR BLINK
|
||
0000A8r 2 ;Test 8. Testing keyboard port read and write to Video port
|
||
0000A8r 2 A2 10 KBDTODSP: LDX #TEST7_REPEATS
|
||
0000AAr 2 A9 00 LDA #$00
|
||
0000ACr 2 8D 12 D0 STA DSP
|
||
0000AFr 2 KBDDSPLOOP:
|
||
0000AFr 2 AD 10 D0 LDA KBD
|
||
0000B2r 2 8D 12 D0 STA DSP
|
||
0000B5r 2 CA DEX
|
||
0000B6r 2 D0 F7 BNE KBDDSPLOOP
|
||
0000B8r 2
|
||
0000B8r 2 ;POST success and end
|
||
0000B8r 2 A2 08 ENDPOST: LDX #POSTOK_REPEATS
|
||
0000BAr 2 ENDLOOP:
|
||
0000BAr 2 A9 55 LDA #%01010101
|
||
0000BCr 2 8D 12 D0 STA DSP
|
||
0000BFr 2 EA NOP
|
||
0000C0r 2 EA NOP
|
||
0000C1r 2 A9 AA LDA #%10101010
|
||
0000C3r 2 8D 12 D0 STA DSP
|
||
0000C6r 2 EA NOP
|
||
0000C7r 2 EA NOP
|
||
0000C8r 2 CA DEX
|
||
0000C9r 2 D0 EF BNE ENDLOOP
|
||
0000CBr 2
|
||
0000CBr 2 ;printing ASCII table
|
||
0000CBr 2 20 rr rr JSR PRINT_ASCII
|
||
0000CEr 2
|
||
0000CEr 2 A9 EB ENDTEST: LDA #END_TEST
|
||
0000D0r 2 20 EF FF JSR ECHO ;writing END_TEST to let video driver know that tests are over
|
||
0000D3r 2
|
||
0000D3r 2 A2 00 LDX #$00
|
||
0000D5r 2 PRINT_MSG:
|
||
0000D5r 2 BD rr rr LDA POSTCompletedText, X
|
||
0000D8r 2 F0 07 BEQ QUIT_POST ;end printing at the end of the string (\n=0)
|
||
0000DAr 2 20 EF FF JSR ECHO
|
||
0000DDr 2 E8 INX
|
||
0000DEr 2 4C rr rr JMP PRINT_MSG
|
||
0000E1r 2
|
||
0000E1r 2
|
||
0000E1r 2 QUIT_POST:
|
||
0000E1r 2 20 rr rr JSR COPY_HEART ;writing Heart code picture to RAM
|
||
0000E4r 2 4C 00 FF JMP RESET ;start Woz Monitor (operating system)
|
||
0000E7r 2
|
||
0000E7r 2 ;------------------------------------------------------
|
||
0000E7r 2 ; POST subroutines
|
||
0000E7r 2 ;------------------------------------------------------
|
||
0000E7r 2 ;blinking LEDs in Video port
|
||
0000E7r 2 A9 80 VIDEO_PORT2: LDA #%10000000
|
||
0000E9r 2 8D 12 D0 TEST2: STA DSP
|
||
0000ECr 2 4A LSR A
|
||
0000EDr 2 D0 FA BNE TEST2
|
||
0000EFr 2 60 RTS
|
||
0000F0r 2
|
||
0000F0r 2 ;blink with a LED in a position from A register
|
||
0000F0r 2 TURN_OFF = %00000000
|
||
0000F0r 2 A2 05 BLINK: LDX #LED_BLINKS
|
||
0000F2r 2 A8 TAY ;save A
|
||
0000F3r 2 98 NEXT_BLINK: TYA ;restore A
|
||
0000F4r 2 8D 12 D0 STA DSP
|
||
0000F7r 2 EA NOP
|
||
0000F8r 2 EA NOP
|
||
0000F9r 2 A9 00 LDA #TURN_OFF
|
||
0000FBr 2 8D 12 D0 STA DSP
|
||
0000FEr 2 EA NOP
|
||
0000FFr 2 EA NOP
|
||
000100r 2 CA DEX
|
||
000101r 2 D0 F0 BNE NEXT_BLINK
|
||
000103r 2 60 RTS
|
||
000104r 2
|
||
000104r 2 ;printing visible symbols of ACSII table via ECHO function from Woz Monitor
|
||
000104r 2 PRINT_ASCII:
|
||
000104r 2 A0 00 LDY #$00 ;starting symbol
|
||
000106r 2 A2 80 LDX #$80 ;80 in hex = 127 in decimal
|
||
000108r 2 ASCII_ECHO:
|
||
000108r 2 2C 12 D0 BIT DSP
|
||
00010Br 2 30 FB BMI ASCII_ECHO
|
||
00010Dr 2 8C 12 D0 STY DSP
|
||
000110r 2 C8 INY
|
||
000111r 2 CA DEX
|
||
000112r 2 D0 F4 BNE ASCII_ECHO
|
||
000114r 2 60 RTS
|
||
000115r 2
|
||
000115r 2 2C 12 D0 CHAR_ECHO: BIT DSP
|
||
000118r 2 30 FB BMI CHAR_ECHO
|
||
00011Ar 2 8D 12 D0 STA DSP
|
||
00011Dr 2 60 RTS
|
||
00011Er 2
|
||
00011Er 2 POSTCompletedText:
|
||
00011Er 2 0D 0D 50 4F .byte $0d, $0d, "POST ok (v.1.0). SmartyKit 1 is ready.", $0d, $0d, $00
|
||
000122r 2 53 54 20 6F
|
||
000126r 2 6B 20 28 76
|
||
000149r 2
|
||
000149r 1
|
||
000149r 1 .segment "FC00"
|
||
000000r 1 ;printing 8x8 picture in the center with '*'
|
||
000000r 1 .include "8x8art.asm"
|
||
000000r 2 ;printing 8x8 picture in the center with '*'
|
||
000000r 2 PIC_WIDTH = 8
|
||
000000r 2 PIC_HEIGHT = 8
|
||
000000r 2 OFFSET_X = (40 - PIC_WIDTH)/2
|
||
000000r 2 PIC_ADDRESS = $1111
|
||
000000r 2 ROW_ADDRESS = PIC_ADDRESS + PIC_HEIGHT
|
||
000000r 2
|
||
000000r 2
|
||
000000r 2 ; Y - row number
|
||
000000r 2 ; X - column (pixel) number
|
||
000000r 2 20 rr rr JSR NEXT_ROW
|
||
000003r 2 A9 00 LDA #$0
|
||
000005r 2 8D 19 11 STA ROW_ADDRESS ;initialize row counter with 0
|
||
000008r 2 A0 08 LDY #PIC_HEIGHT
|
||
00000Ar 2
|
||
00000Ar 2 20 rr rr ROWS_LOOP: JSR PRINT_OFFSET
|
||
00000Dr 2 AD 19 11 LDA ROW_ADDRESS
|
||
000010r 2 AA TAX
|
||
000011r 2 BD 11 11 LDA PIC_ADDRESS, X
|
||
000014r 2 A2 08 LDX #PIC_WIDTH
|
||
000016r 2 0A NEXT_PIXEL: ASL
|
||
000017r 2 90 06 BCC NO_PIXEL
|
||
000019r 2 20 rr rr JSR PRINT_STAR
|
||
00001Cr 2 4C rr rr JMP AFTER_PIXEL
|
||
00001Fr 2 20 rr rr NO_PIXEL: JSR PRINT_BLANK
|
||
000022r 2 CA AFTER_PIXEL: DEX
|
||
000023r 2 D0 F1 BNE NEXT_PIXEL
|
||
000025r 2 20 rr rr JSR NEXT_ROW
|
||
000028r 2 EE 19 11 INC ROW_ADDRESS
|
||
00002Br 2 88 DEY
|
||
00002Cr 2 D0 DC BNE ROWS_LOOP
|
||
00002Er 2 20 rr rr JSR NEXT_ROW
|
||
000031r 2 4C 00 FF JMP RESET
|
||
000034r 2
|
||
000034r 2 ;printing offset subroutine (optional: save registers A and X)
|
||
000034r 2 48 PRINT_OFFSET: PHA ;save A
|
||
000035r 2 8A TXA ;X->A
|
||
000036r 2 48 PHA ;save X
|
||
000037r 2 A2 10 LDX #OFFSET_X
|
||
000039r 2 A9 20 OFFSET_LOOP: LDA #' '
|
||
00003Br 2 20 EF FF JSR ECHO
|
||
00003Er 2 CA DEX
|
||
00003Fr 2 D0 F8 BNE OFFSET_LOOP
|
||
000041r 2
|
||
000041r 2 68 PLA ;restore X
|
||
000042r 2 AA TAX ;A->X
|
||
000043r 2 68 PLA ;restore A
|
||
000044r 2 60 RTS
|
||
000045r 2
|
||
000045r 2 48 PRINT_STAR: PHA
|
||
000046r 2 A9 2A LDA #'*'
|
||
000048r 2 20 EF FF JSR ECHO
|
||
00004Br 2 68 PLA
|
||
00004Cr 2 60 RTS
|
||
00004Dr 2 48 PRINT_BLANK: PHA
|
||
00004Er 2 A9 20 LDA #' '
|
||
000050r 2 20 EF FF JSR ECHO
|
||
000053r 2 68 PLA
|
||
000054r 2 60 RTS
|
||
000055r 2 48 NEXT_ROW: PHA
|
||
000056r 2 A9 0D LDA #$0d
|
||
000058r 2 20 EF FF JSR ECHO
|
||
00005Br 2 68 PLA
|
||
00005Cr 2 60 RTS
|
||
00005Dr 2 ;from HeartPicture
|
||
00005Dr 2 ;to PIC_ADDRESS
|
||
00005Dr 2 48 COPY_HEART: PHA
|
||
00005Er 2 8A TXA
|
||
00005Fr 2 48 PHA
|
||
000060r 2
|
||
000060r 2 A2 08 LDX #PIC_HEIGHT
|
||
000062r 2 BD rr rr COPY_LOOP: LDA HeartPicture, X
|
||
000065r 2 9D 11 11 STA PIC_ADDRESS, X
|
||
000068r 2 CA DEX
|
||
000069r 2 10 F7 BPL COPY_LOOP
|
||
00006Br 2
|
||
00006Br 2 68 PLA
|
||
00006Cr 2 AA TAX
|
||
00006Dr 2 68 PLA
|
||
00006Er 2 60 RTS
|
||
00006Fr 2
|
||
00006Fr 2
|
||
00006Fr 2 HeartPicture:
|
||
00006Fr 2 00 .byte %00000000
|
||
000070r 2 66 .byte %01100110
|
||
000071r 2 FF .byte %11111111
|
||
000072r 2 FF .byte %11111111
|
||
000073r 2 FF .byte %11111111
|
||
000074r 2 7E .byte %01111110
|
||
000075r 2 3C .byte %00111100
|
||
000076r 2 18 .byte %00011000
|
||
000077r 2 3C 42 A5 81 SmileyPicture: .byte $3c, $42, $a5, $81, $a5, $99, $42, $3c
|
||
00007Br 2 A5 99 42 3C
|
||
00007Fr 2 88 A8 50 07 WozPicture: .byte $88, $a8, $50, $07, $61, $92, $94, $67
|
||
000083r 2 61 92 94 67
|
||
000087r 2 FF 81 BD BD SmartyLogo: .byte $ff, $81, $bd, $bd, $bd, $bd, $81, $ff
|
||
00008Br 2 BD BD 81 FF
|
||
00008Fr 2 18 24 24 24 RocketPicture: .byte $18, $24, $24, $24, $7e, $a5, $FF, $a5
|
||
000093r 2 7E A5 FF A5
|
||
000097r 2 38 2A 38 20 .byte "8*8 Pixel Art program end", $0d, $00
|
||
00009Br 2 50 69 78 65
|
||
00009Fr 2 6C 20 41 72
|
||
0000B2r 2
|
||
0000B2r 1
|
||
0000B2r 1 .segment "FD00"
|
||
000000r 1 ;Printing 'Hello, World!'
|
||
000000r 1 .include "HelloWorld.asm"
|
||
000000r 2 ;printing 'Hello, World!'
|
||
000000r 2 ;More about 'Hello, World!' program: https://en.wikipedia.org/wiki/%22Hello,_World!%22_program
|
||
000000r 2 A2 00 LDX #00
|
||
000002r 2 PRINT_CHAR:
|
||
000002r 2 BD rr rr LDA HelloWorldText, X
|
||
000005r 2 F0 07 BEQ END_PRINT ;end printing at the end of the string (\n=0)
|
||
000007r 2 20 EF FF JSR ECHO
|
||
00000Ar 2 E8 INX
|
||
00000Br 2 4C rr rr JMP PRINT_CHAR
|
||
00000Er 2 END_PRINT:
|
||
00000Er 2 4C 00 FF JMP RESET ;return to Woz Monitor
|
||
000011r 2
|
||
000011r 2 HelloWorldText:
|
||
000011r 2 0D 48 65 6C .byte $0d, "Hello, World!", $0d, "This is SmartyKit 1.", $0d, $0d, $00
|
||
000015r 2 6C 6F 2C 20
|
||
000019r 2 57 6F 72 6C
|
||
000037r 2
|
||
000037r 1
|
||
000037r 1 .segment "FF00"
|
||
000000r 1 .include "Woz_Monitor.asm"
|
||
000000r 2 ; The WOZ Monitor for the Apple 1
|
||
000000r 2 ; Written by Steve Wozniak in 1976
|
||
000000r 2
|
||
000000r 2
|
||
000000r 2 ; Page 0 Variables
|
||
000000r 2
|
||
000000r 2 XAML = $24 ; Last "opened" location Low
|
||
000000r 2 XAMH = $25 ; Last "opened" location High
|
||
000000r 2 STL = $26 ; Store address Low
|
||
000000r 2 STH = $27 ; Store address High
|
||
000000r 2 L = $28 ; Hex value parsing Low
|
||
000000r 2 H = $29 ; Hex value parsing High
|
||
000000r 2 YSAV = $2A ; Used to see if hex value is given
|
||
000000r 2 MODE = $2B ; $00=XAM, $7F=STOR, $AE=BLOCK XAM
|
||
000000r 2
|
||
000000r 2
|
||
000000r 2 ; Other Variables
|
||
000000r 2
|
||
000000r 2 IN = $0200 ; Input buffer to $027F
|
||
000000r 2 KBD = $D010 ; PIA.A keyboard input
|
||
000000r 2 KBDCR = $D011 ; PIA.A keyboard control register
|
||
000000r 2 DSP = $D012 ; PIA.B display output register
|
||
000000r 2 DSPCR = $D013 ; PIA.B display control register
|
||
000000r 2
|
||
000000r 2 .org $FF00
|
||
00FF00 2 .export RESET
|
||
00FF00 2
|
||
00FF00 2 D8 RESET: CLD ; Clear decimal arithmetic mode.
|
||
00FF01 2 58 CLI
|
||
00FF02 2 A0 7F LDY #$7F ; Mask for DSP data direction register.
|
||
00FF04 2 8C 12 D0 STY DSP ; Set it up.
|
||
00FF07 2 A9 A7 LDA #$A7 ; KBD and DSP control register mask.
|
||
00FF09 2 8D 11 D0 STA KBDCR ; Enable interrupts, set CA1, CB1, for
|
||
00FF0C 2 8D 13 D0 STA DSPCR ; positive edge sense/output mode.
|
||
00FF0F 2 C9 DF NOTCR: CMP #'_'+$80 ; "_"?
|
||
00FF11 2 F0 13 BEQ BACKSPACE ; Yes.
|
||
00FF13 2 C9 9B CMP #$9B ; ESC?
|
||
00FF15 2 F0 03 BEQ ESCAPE ; Yes.
|
||
00FF17 2 C8 INY ; Advance text index.
|
||
00FF18 2 10 0F BPL NEXTCHAR ; Auto ESC if > 127.
|
||
00FF1A 2 A9 DC ESCAPE: LDA #'\'+$80 ; "\".
|
||
00FF1C 2 20 EF FF JSR ECHO ; Output it.
|
||
00FF1F 2 A9 8D GETLINE: LDA #$8D ; CR.
|
||
00FF21 2 20 EF FF JSR ECHO ; Output it.
|
||
00FF24 2 A0 01 LDY #$01 ; Initialize text index.
|
||
00FF26 2 88 BACKSPACE: DEY ; Back up text index.
|
||
00FF27 2 30 F6 BMI GETLINE ; Beyond start of line, reinitialize.
|
||
00FF29 2 AD 11 D0 NEXTCHAR: LDA KBDCR ; Key ready?
|
||
00FF2C 2 10 FB BPL NEXTCHAR ; Loop until ready.
|
||
00FF2E 2 AD 10 D0 LDA KBD ; Load character. B7 should be <20>1<EFBFBD>.
|
||
00FF31 2 99 00 02 STA IN,Y ; Add to text buffer.
|
||
00FF34 2 20 EF FF JSR ECHO ; Display character.
|
||
00FF37 2 C9 8D CMP #$8D ; CR?
|
||
00FF39 2 D0 D4 BNE NOTCR ; No.
|
||
00FF3B 2 A0 FF LDY #$FF ; Reset text index.
|
||
00FF3D 2 A9 00 LDA #$00 ; For XAM mode.
|
||
00FF3F 2 AA TAX ; 0->X.
|
||
00FF40 2 0A SETSTOR: ASL ; Leaves $7B if setting STOR mode.
|
||
00FF41 2 85 2B SETMODE: STA MODE ; $00=XAM $7B=STOR $AE=BLOK XAM
|
||
00FF43 2 C8 BLSKIP: INY ; Advance text index.
|
||
00FF44 2 B9 00 02 NEXTITEM: LDA IN,Y ; Get character.
|
||
00FF47 2 C9 8D CMP #$8D ; CR?
|
||
00FF49 2 F0 D4 BEQ GETLINE ; Yes, done this line.
|
||
00FF4B 2 C9 AE CMP #'.'+$80 ; "."?
|
||
00FF4D 2 90 F4 BCC BLSKIP ; Skip delimiter.
|
||
00FF4F 2 F0 F0 BEQ SETMODE ; Yes. Set STOR mode.
|
||
00FF51 2 C9 BA CMP #':'+$80 ; ":"?
|
||
00FF53 2 F0 EB BEQ SETSTOR ; Yes. Set STOR mode.
|
||
00FF55 2 C9 D2 CMP #'R'+$80 ; "R"?
|
||
00FF57 2 F0 3B BEQ RUN ; Yes. Run user program.
|
||
00FF59 2 86 28 STX L ; $00-> L.
|
||
00FF5B 2 86 29 STX H ; and H.
|
||
00FF5D 2 84 2A STY YSAV ; Save Y for comparison.
|
||
00FF5F 2 B9 00 02 NEXTHEX: LDA IN,Y ; Get character for hex test.
|
||
00FF62 2 49 B0 EOR #$B0 ; Map digits to $0-9.
|
||
00FF64 2 C9 0A CMP #$0A ; Digit?
|
||
00FF66 2 90 06 BCC DIG ; Yes.
|
||
00FF68 2 69 88 ADC #$88 ; Map letter "A"-"F" to $FA-FF.
|
||
00FF6A 2 C9 FA CMP #$FA ; Hex letter?
|
||
00FF6C 2 90 11 BCC NOTHEX ; No, character not hex.
|
||
00FF6E 2 0A DIG: ASL
|
||
00FF6F 2 0A ASL ; Hex digit to MSD of A.
|
||
00FF70 2 0A ASL
|
||
00FF71 2 0A ASL
|
||
00FF72 2 A2 04 LDX #$04 ; Shift count.
|
||
00FF74 2 0A HEXSHIFT: ASL ; Hex digit left, MSB to carry.
|
||
00FF75 2 26 28 ROL L ; Rotate into LSD.
|
||
00FF77 2 26 29 ROL H ; Rotate into MSD<53>s.
|
||
00FF79 2 CA DEX ; Done 4 shifts?
|
||
00FF7A 2 D0 F8 BNE HEXSHIFT ; No, loop.
|
||
00FF7C 2 C8 INY ; Advance text index.
|
||
00FF7D 2 D0 E0 BNE NEXTHEX ; Always taken. Check next char for hex.
|
||
00FF7F 2 C4 2A NOTHEX: CPY YSAV ; Check if L, H empty (no hex digits).
|
||
00FF81 2 F0 97 BEQ ESCAPE ; Yes, generate ESC sequence.
|
||
00FF83 2 24 2B BIT MODE ; Test MODE byte.
|
||
00FF85 2 50 10 BVC NOTSTOR ; B6=0 STOR 1 for XAM & BLOCK XAM
|
||
00FF87 2 A5 28 LDA L ; LSD<53>s of hex data.
|
||
00FF89 2 81 26 STA (STL,X) ; Store at current <20>store index<65>.
|
||
00FF8B 2 E6 26 INC STL ; Increment store index.
|
||
00FF8D 2 D0 B5 BNE NEXTITEM ; Get next item. (no carry).
|
||
00FF8F 2 E6 27 INC STH ; Add carry to <20>store index<65> high order.
|
||
00FF91 2 4C 44 FF TONEXTITEM: JMP NEXTITEM ; Get next command item.
|
||
00FF94 2 6C 24 00 RUN: JMP (XAML) ; Run at current XAM index.
|
||
00FF97 2 30 2B NOTSTOR: BMI XAMNEXT ; B7=0 for XAM, 1 for BLOCK XAM.
|
||
00FF99 2 A2 02 LDX #$02 ; Byte count.
|
||
00FF9B 2 B5 27 SETADR: LDA L-1,X ; Copy hex data to
|
||
00FF9D 2 95 25 STA STL-1,X ; <20>store index<65>.
|
||
00FF9F 2 95 23 STA XAML-1,X ; And to <20>XAM index<65>.
|
||
00FFA1 2 CA DEX ; Next of 2 bytes.
|
||
00FFA2 2 D0 F7 BNE SETADR ; Loop unless X=0.
|
||
00FFA4 2 D0 14 NXTPRNT: BNE PRDATA ; NE means no address to print.
|
||
00FFA6 2 A9 8D LDA #$8D ; CR.
|
||
00FFA8 2 20 EF FF JSR ECHO ; Output it.
|
||
00FFAB 2 A5 25 LDA XAMH ; <20>Examine index<65> high-order byte.
|
||
00FFAD 2 20 DC FF JSR PRBYTE ; Output it in hex format.
|
||
00FFB0 2 A5 24 LDA XAML ; Low-order <20>examine index<65> byte.
|
||
00FFB2 2 20 DC FF JSR PRBYTE ; Output it in hex format.
|
||
00FFB5 2 A9 BA LDA #':'+$80 ; ":".
|
||
00FFB7 2 20 EF FF JSR ECHO ; Output it.
|
||
00FFBA 2 A9 A0 PRDATA: LDA #$A0 ; Blank.
|
||
00FFBC 2 20 EF FF JSR ECHO ; Output it.
|
||
00FFBF 2 A1 24 LDA (XAML,X) ; Get data byte at <20>examine index<65>.
|
||
00FFC1 2 20 DC FF JSR PRBYTE ; Output it in hex format.
|
||
00FFC4 2 86 2B XAMNEXT: STX MODE ; 0->MODE (XAM mode).
|
||
00FFC6 2 A5 24 LDA XAML
|
||
00FFC8 2 C5 28 CMP L ; Compare <20>examine index<65> to hex data.
|
||
00FFCA 2 A5 25 LDA XAMH
|
||
00FFCC 2 E5 29 SBC H
|
||
00FFCE 2 B0 C1 BCS TONEXTITEM ; Not less, so no more data to output.
|
||
00FFD0 2 E6 24 INC XAML
|
||
00FFD2 2 D0 02 BNE MOD8CHK ; Increment <20>examine index<65>.
|
||
00FFD4 2 E6 25 INC XAMH
|
||
00FFD6 2 A5 24 MOD8CHK: LDA XAML ; Check low-order <20>examine index<65> byte
|
||
00FFD8 2 29 07 AND #$07 ; For MOD 8=0
|
||
00FFDA 2 10 C8 BPL NXTPRNT ; Always taken.
|
||
00FFDC 2 48 PRBYTE: PHA ; Save A for LSD.
|
||
00FFDD 2 4A LSR
|
||
00FFDE 2 4A LSR
|
||
00FFDF 2 4A LSR ; MSD to LSD position.
|
||
00FFE0 2 4A LSR
|
||
00FFE1 2 20 E5 FF JSR PRHEX ; Output hex digit.
|
||
00FFE4 2 68 PLA ; Restore A.
|
||
00FFE5 2 29 0F PRHEX: AND #$0F ; Mask LSD for hex print.
|
||
00FFE7 2 09 B0 ORA #'0'+$80 ; Add "0".
|
||
00FFE9 2 C9 BA CMP #$BA ; Digit?
|
||
00FFEB 2 90 02 BCC ECHO ; Yes, output it.
|
||
00FFED 2 69 06 ADC #$06 ; Add offset for letter.
|
||
00FFEF 2 2C 12 D0 ECHO: BIT DSP ; bit (B7) cleared yet?
|
||
00FFF2 2 30 FB BMI ECHO ; No, wait for display.
|
||
00FFF4 2 8D 12 D0 STA DSP ; Output character. Sets DA.
|
||
00FFF7 2 60 RTS ; Return.
|
||
00FFF8 2
|
||
00FFF8 2 40 NMI: RTI ; simple Interrupt Service Routine(ISR)
|
||
00FFF9 2 40 IRQ: RTI ; simple Interrupt Service Routine(ISR)
|
||
00FFFA 2
|
||
00FFFA 1
|
||
00FFFA 1 .segment "VECTORS"
|
||
00FFFA 1 ; Interrupt Vectors
|
||
00FFFA 1 F8 FF .WORD NMI ; NMI
|
||
00FFFC 1 rr rr .WORD POST_START ; RESET (starting point in Woz Monitor) or POST (test)
|
||
00FFFE 1 F9 FF .WORD IRQ ; BRK/IRQ
|
||
010000 1
|
||
010000 1
|
||
010000 1
|