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applications:remote
Table of Contents
REMOTE
Source Code
00100 ******************************* 00110 * REMOTE * 00120 *A REMOTE TERMINAL DRIVER * 00130 *FOR THE COCO * 00140 *DAN DOWNARD RAINBOW 11/83 * 00150 ******************************* 00160 ORG $3F00 00165 *EQUATES FOR ROM AND RAM ADDRESSES 00170 IHOOK EQU $016A 00180 OHOOK EQU $0167 00190 PIA EQU $FF22 00200 POLCAT EQU $A000 00210 RSOUT EQU $8E0C 00220 BAUD EQU $E6 00225 BAUDR EQU $C9 00230 DEV EQU $6F 00240 FLAG EQU $70 00245 *INITIALIZE RAM HOOKS 00250 START LDA #BAUDR 00260 STA <BAUD 00270 LDX 1+OHOOK 00280 STX 1+ORET2,PCR 00290 LDX 1+IHOOK 00300 STX 1+IRET2,PCR 00310 LDA #$7E 00320 STA IHOOK 00330 STA OHOOK 00340 LEAX OUT,PCR 00350 STX 1+OHOOK 00360 LEAX IN,PCR 00370 STX 1+IHOOK 00380 RET RTS 00385 *OUTPUT CHARACTER IF DEV=0 00386 *INSERT LINE FEEDS TO REMOTE DEVICE 00387 *USE ROM SUBROUTINE 00390 OUT PSHS A 00400 TST <DEV 00410 BNE ORET1 00420 CMPA #$0D 00430 BNE REMOUT 00440 LDA #$0A 00450 JSR RSOUT 00460 LDA #$0D 00470 REMOUT JSR RSOUT 00480 ORET1 PULS A 00490 ORET2 JMP RET 00495 *INPUT FROM KEYBOARD OR RS-232 00496 *IF DEV=0 00497 *USE RSIN FOR REMOTE INPUT 00500 IN CLR <FLAG 00510 TST <DEV 00520 BNE IRET2 00530 LEAS 2,S 00540 PSHS B,CC,X 00550 IN1 JSR [POLCAT] 00560 BEQ REMIN 00570 BRA IRET1 00575 *CHECK FOR REMOTE INPUT 00580 REMIN LDB $FF22 00590 RORB 00600 BCS IN1 00605 *RS-232 INPUT ROUTINE 00606 *BYTE INTO A REGISTER 00610 RSIN BSR HALF 00620 LDB #1 00630 PSHS B 00640 CLRA 00650 RSIN1 BSR FULL 00660 LDB PIA 00670 RORB 00680 BCC RSIN2 00690 ORA 0,S 00700 RSIN2 ASL 0,S 00710 BCC RSIN1 00720 LEAS 1,S 00730 ANDA #$7F 00740 IRET1 PULS B,CC,X,PC 00750 IRET2 JMP RET 00755 *BAUD RATE DELAYS 00760 FULL BSR HALF 00770 HALF PSHS A 00780 LDA <BAUD 00790 HALF1 BRN HALF1 00800 DECA 00810 BNE HALF1 00820 PULS PC,A 00830 END START
Assembly Listing
00001 00100 *******************************
00002 00110 * REMOTE *
00003 00120 *A REMOTE TERMINAL DRIVER *
00004 00130 *FOR THE COCO *
00005 00140 *DAN DOWNARD RAINBOW 11/83 *
00006 00150 *******************************
00007 00160 ORG $3F00
00008 00165 *EQUATES FOR ROM AND RAM ADDRESSES
016A 00009 00170 IHOOK EQU $016A
0167 00010 00180 OHOOK EQU $0167
FF22 00011 00190 PIA EQU $FF22
A000 00012 00200 POLCAT EQU $A000
8E0C 00013 00210 RSOUT EQU $8E0C
00E6 00014 00220 BAUD EQU $E6
00C9 00015 00225 BAUDR EQU $C9
006F 00016 00230 DEV EQU $6F
0070 00017 00240 FLAG EQU $70
00018 00245 *INITIALIZE RAM HOOKS
3F00 86C9 00019 00250 START LDA #BAUDR
3F02 97E6 00020 00260 STA <BAUD
3F04 BE0168 00021 00270 LDX 1+OHOOK
3F07 AF8D003500022 00280 STX 1+ORET2,PCR
3F0B BE016B 00023 00290 LDX 1+IHOOK
3F0E AF8D006400024 00300 STX 1+IRET2,PCR
3F12 867E 00025 00310 LDA #$7E
3F14 B7016A 00026 00320 STA IHOOK
3F17 B70167 00027 00330 STA OHOOK
3F1A 308D000B00028 00340 LEAX OUT,PCR
3F1E BF0168 00029 00350 STX 1+OHOOK
3F21 308D001D00030 00360 LEAX IN,PCR
3F25 BF016B 00031 00370 STX 1+IHOOK
3F28 39 00032 00380 RET RTS
00033 00385 *OUTPUT CHARACTER IF DEV=0
00034 00386 *INSERT LINE FEEDS TO REMOTE DEVICE
00035 00387 *USE ROM SUBROUTINE
3F29 3402 00036 00390 OUT PSHS A
3F2B 0D6F 00037 00400 TST <DEV
3F2D 260E 00038 00410 BNE ORET1
3F2F 810D 00039 00420 CMPA #$0D
3F31 2607 00040 00430 BNE REMOUT
3F33 860A 00041 00440 LDA #$0A
3F35 BD8E0C 00042 00450 JSR RSOUT
3F38 860D 00043 00460 LDA #$0D
3F3A BD8E0C 00044 00470 REMOUT JSR RSOUT
3F3D 3502 00045 00480 ORET1 PULS A
3F3F 7E3F28 00046 00490 ORET2 JMP RET
00047 00495 *INPUT FROM KEYBOARD OR RS-232
00048 00496 *IF DEV=0
00049 00497 *USE RSIN FOR REMOTE INPUT
3F42 0F70 00050 00500 IN CLR <FLAG
3F44 0D6F 00051 00510 TST <DEV
3F46 262D 00052 00520 BNE IRET2
3F48 3262 00053 00530 LEAS 2,S
3F4A 3415 00054 00540 PSHS B,CC,X
3F4C AD9FA00000055 00550 IN1 JSR [POLCAT]
3F50 2702 00056 00560 BEQ REMIN
3F52 201F 00057 00570 BRA IRET1
00058 00575 *CHECK FOR REMOTE INPUT
3F54 F6FF22 00059 00580 REMIN LDB $FF22
3F57 56 00060 00590 RORB
3F58 25F2 00061 00600 BCS IN1
00062 00605 *RS-232 INPUT ROUTINE
00063 00606 *BYTE INTO A REGISTER
3F5A 8D1E 00064 00610 RSIN BSR HALF
3F5C C601 00065 00620 LDB #1
3F5E 3404 00066 00630 PSHS B
3F60 4F 00067 00640 CLRA
3F61 8D15 00068 00650 RSIN1 BSR FULL
3F63 F6FF22 00069 00660 LDB PIA
3F66 56 00070 00670 RORB
3F67 2402 00071 00680 BCC RSIN2
3F69 AA60 00072 00690 ORA 0,S
3F6B 6860 00073 00700 RSIN2 ASL 0,S
3F6D 24F2 00074 00710 BCC RSIN1
3F6F 3261 00075 00720 LEAS 1,S
3F71 847F 00076 00730 ANDA #$7F
3F73 3595 00077 00740 IRET1 PULS B,CC,X,PC
3F75 7E3F28 00078 00750 IRET2 JMP RET
00079 00755 *BAUD RATE DELAYS
3F78 8D00 00080 00760 FULL BSR HALF
3F7A 3402 00081 00770 HALF PSHS A
3F7C 96E6 00082 00780 LDA <BAUD
3F7E 21FE 00083 00790 HALF1 BRN HALF1
3F80 4A 00084 00800 DECA
3F81 26FB 00085 00810 BNE HALF1
3F83 3582 00086 00820 PULS PC,A
00087 00830 END START
applications/remote.txt · Last modified: 2024/10/02 19:28 by coco
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