Refactor pathing
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114
1802mc/til_wrm.asm
Normal file
114
1802mc/til_wrm.asm
Normal file
@ -0,0 +1,114 @@
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; til_wrm.asm
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; Copyright (C) 2023 William R. Moore
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;
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation, either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;******************************************************************
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; Threaded Interpretive Language (TIL) for COSMAC 1802 CPU.
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; Core of Threaded Interpretive Language I/O
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;
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; From the book "Threaded Interpretive Languages: Their Design and Implementation"
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;
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;******************************************************************
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; Register definitions (1802 has R0-RF 16 x 16 bit registers)
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STACK EQU 2 ; stack pointer
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PC EQU 3 ; program counter
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CALLR EQU 4 ; call register
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RETR EQU 5 ; return register
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TXTPTR EQU 7 ; text pointer
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INBUF EQU 8 ; Input line buffer pointer register.
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; TIL registers
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I EQU 10 ; Instruction Pointer
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WA EQU 11 ; Word Address
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TPC EQU 12 ; TIL Program Counter
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; Stack for ram High - top of ram, minus monitor scratch pad area.
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USTACK EQU 0FFBFH
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; SCRT routine locations Standard ROM org'd at 0
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CALLSC EQU 0ADBH
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RETURN EQU 0AEDH
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; I/O ROUTINES
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OUTSTR EQU 0526H
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; The Monitor "INPUT" routine is at 8005hex in the ORG'ed 8000hex Monitor
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; The inputted character is returned in RB.0
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INDATA EQU 11
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INCHR EQU 0005H
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; The Monitor "OUTPUT" routine is at 821Dhex in the ORG'ed 8000hex Monitor
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; The character to be outputted is stored in RB.0
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OUTCHR EQU 021DH
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; Start at 8000h for ROM @ 0000h
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ORG 8000H
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; Setup for SCRT routines.
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; Set R3 as program counter
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LOAD PC, MAIN
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SEP PC
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; *** Main program entry.
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MAIN LOAD STACK, USTACK ; Setup stack pointer
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SEX STACK
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; Setup 4 to CALLSC routine 8ADB
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LOAD CALLR, CALLSC
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; Setup R5 to RETURN (8AED)
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LOAD RETR, RETURN
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; R7 points to string.
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; Use SCRT
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; R3 is the PC
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; R4 is the call register - points to the call routine in rom
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; R5 is the return register - points to return routine in rom
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; CALL pseudo-op of the A18 assembler
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; Set program counter to R4 and follow with word address of the routine to be called.
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LOAD TXTPTR, GREET
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CALL OUTSTR
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INLINE LOAD TXTPTR, PROMPT
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CALL OUTSTR
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; Read a char, echo a char
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; if ctrl-c stop
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IOLOOP CALL INCHR
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GLO INDATA ; io leaves in RB.0
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SDI 3 ; subtract ctrl-c
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BZ EXIT
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;; simplistic now, must add typed chars to a buffer.
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;;
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;; CHECK FOR <CR>
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GLO INDATA
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SDI 13 ; CR?
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BZ EXECBUF ; YES - GOTO EXECUTE BUFFER
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CALL OUTCHR ; ECHO CHARACTER
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BR IOLOOP
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EXECBUF LOAD TXTPTR, OKMSG
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CALL OUTSTR
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BR INLINE
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; Exit to Membership Card monitor.
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EXIT SEP 1
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; Cold start
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GREET TEXT "Welcome to William's TIL."
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BYTE 0
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OKMSG TEXT " OK"
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BYTE 0
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PROMPT BYTE 0DH, 0AH, 24H, 00
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END
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154
altair8800/SCC.asm
Normal file
154
altair8800/SCC.asm
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@ -0,0 +1,154 @@
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; SCC.asm
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; Copyright (C) 2023 William R. Moore
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;
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation, either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <http://www.gnu.org/licenses/>.
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; 8080 Assembly implementation of "Ship, Captain, Crew" for the
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; Altair 8800 using CP/M
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title 'Ship, Captain, Crew'
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BDOS equ 0005h
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WRITESTR equ 09h
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WRITECHR equ 02h
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CONSTAT equ 0bh
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EOS equ 24h
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CR equ 0dh
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LF equ 0ah
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org 0100h
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lxi h, 0
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mvi d, 080h
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; Clears the screen
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push h
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push b
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mvi c, WRITESTR
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lxi d, cls
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call BDOS
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pop b
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pop h
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run:
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in 0ffh
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mov d, a
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cpi 0
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jz exit
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jmp rand_
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continuerun:
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push h
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push b
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mvi c, WRITESTR
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add d, '0'
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lxi h, d
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lxi d, '$'
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call concatenate
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lxi d, m
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call BDOS
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pop b
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pop h
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jmp run
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concatenate:
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CONCATENATE_LOOP:
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; Load a character from the source string
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MOV A, M
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CPI 0 ; Check for end of source string (null terminator)
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JZ CONCATENATE_DONE
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; Copy the character to the destination string
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MOV M, A
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; Move to the next character in both strings
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INX H ; Increment source string pointer
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INX D ; Increment destination string pointer
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JMP CONCATENATE_LOOP ; Repeat the loop
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CONCATENATE_DONE:
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; Null-terminate the concatenated string
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MVI M, 0 ; Store null terminator at the end of the destination string
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ret
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print:
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; push h
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; push b
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; lxi d, textstr
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; mvi c, WRITESTR
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; call BDOS
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; pop b
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; pop h
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; jmp exit
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;------------------------------------------------------------------------
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; rand_
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; This is an implementation of George Marsaglia's three-stage
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; XOR-shift algorithrm
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;------------------------------------------------------------------------
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rand_:
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; Initialize random seed (optional)
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mvi c, 42H ; Seed value (you can change this)
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lxi h, 5678H ; Address to store seed (change this)
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shld random_seed
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; Roll the die
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call roll_die
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jmp continuerun
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; roll a die
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roll_die:
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lxi h, random_seed ; Load the seed address
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mov a, m ; Load the seed value
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xra a ; Clear the accumulator
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rrc ; Rotate right through carry
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rlc ; Rotate left through carry
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rrc ; Rotate right through carry
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rlc ; Rotate left through carry
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rrc ; Rotate right through carry
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rlc ; Rotate left through carry
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mvi b, 06H
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call MODULO
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ret
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; Perform modulo operation
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MODULO:
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xchg ; Exchange A and D registers, D = dividend, A = divisor
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lxi d, 0 ; Initialize remainder (D) to 0
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MODULO_LOOP:
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cmp b ; Compare A (divisor) with B (counter)
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jc MODULO_DONE ; If A < B, exit loop
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sub b ; Subtract B (counter) from A (divisor)
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inr d ; Increment D (remainder)
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jmp MODULO_LOOP ; Repeat the loop
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MODULO_DONE:
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xchg ; Restore original values (A = divisor, D = remainder)
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ret
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exit: hlt
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random_seed: ; Placeholder for the random seed value
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dw 0 ; You can initialize it with any value
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ship: db 'You have a ship', CR, LF, EOS
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captain: db 'You have a captain!', CR, LF, EOS
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crew: db 'You have a crew!', CR, LF, EOS
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cls: db 1bh, '[2J$' ; ANSI clear screen: ESC [ 2 J
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end
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113
altair8800/SillyDieRoller.asm
Normal file
113
altair8800/SillyDieRoller.asm
Normal file
@ -0,0 +1,113 @@
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; SillyDieRoller.asm - "rolls" a die and makes the LEDs blink while it happens
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; Copyright (C) 2023 William R. Moore
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;
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation, either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <http://www.gnu.org/licenses/>.
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CR EQU 0DH
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LF EQU 0AH
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; CP/M calls
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WRITESTR EQU 9H
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PRTCHR EQU 02H
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CHRIN EQU 01H
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BDOS EQU 05H
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CONSOLEOUT EQU 06H
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CONSOLEIN EQU 0AH
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NONBLOCKIN EQU 0FFH
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ORG 100H
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INIT LXI H,DATA ; HL points to blinken data
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SHLD SAVE_HL
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GETD LHLD SAVE_HL ; restore HL
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MOV A,M ; get data @ HL
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CPI EOF ; End of the data list?
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JZ INIT ; Yes, reset HL pointer.
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MOV D,A ; No, put in D register for the display pattern.
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INR L ; HL++
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SHLD SAVE_HL ; Save data
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INPDEL
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MVI C, CONSOLEIN
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MVI D, NONBLOCKIN
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CALL BDOS
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CPI 0H
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JZ NO_INPUT
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MVI C, WRITESTR
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LXI D, WELCOME
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CALL BDOS
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MVI C, CHRIN
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MVI D, -1
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MVI E, NONBLOCKIN
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CALL BDOS
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CPI 0H
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JZ NO_INPUT
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CPI 03H
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JZ DONE
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; LXI H,0 ; Init HL to zero before starting the delay loop
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; IN 0FFH
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; CPI 00H ; All Sense switches off finishes the program.
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; JZ DONE
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NO_INPUT
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LXI B,4H ; Hardcoded timer
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BLINK
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LDAX D
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LDAX D
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LDAX D
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LDAX D
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DAD B
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JNC BLINK
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JMP GETD
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; Done with this loop go get the next D
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; Return to CP/M if 00 on sense switches. Some way to drop out.
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DONE JMP 0H
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; Somewhere to save HL, since it will get clobbered by the delay routine.
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SAVE_HL DW 0
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; Put your pattern list here... this is just jiggy wiggy back forth here.
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DATA
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DB 10111010b
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DB 11000011b
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DB 11011111b
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DB 10001000b
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DB 01001000b
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DB 00110000b
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DB 01000110b
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DB 10000010b
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DB 01101010b
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DB 01000000b
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DB 00100111b
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DB 01010111b
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DB 00100000b
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DB 11110010b
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DB 01101111b
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DB 10000011b
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DB 00110011b
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DB 00010101b
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DB 10001100b
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DB 10111011b
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DB 00000000b
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DB EOF
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EOF EQU 042 ; end of data
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WELCOME DB "Welcome to the Silly Dice Roller!", CR, LF, "$"
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END
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446
altair8800/cpm/til.z80
Normal file
446
altair8800/cpm/til.z80
Normal file
@ -0,0 +1,446 @@
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; ***** TIL
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; Outer Interpreter
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; Author Kelly Loyd
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; Target System
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; Z80 CP/M 64K RAM
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; ***
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; Non Standard Z80 MC
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STD_CPM EQU 1
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;---------- Put in CP/M Transient Memory space.
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ORG 100h
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;---------- START/RESTART
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START LD DE,RSTMSG
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LD A,(BASE)
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AND A
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JR NZ, ABORT
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LD A,10
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LD (BASE),A
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LD DE,SRTMSG
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ABORT LD SP,STACK
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PUSH DE
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LD HL,0
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LD (MODE),HL
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LD IY,NEXT
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LD IX,RETURN
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LD HL,8080h
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LD (LBEND),HL
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LD BC,OUTER ; Effectively, Set OUTER as the next routine
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JP NEXT ; Call NEXT in the Inner Interpreter, which will load address of OUTER and Jump to it.
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; Entry point of OUTER interpreter.
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OUTER DW TYPE
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DW INLINE
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DW ASPACE
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DW TOKEN
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DW TILHALT
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DW QSEARCH ; Leaves something on the stack if found or not found?
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DW @IF
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; --------- Inner Interpreter
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SEMI DW $ + 2
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LD C,(IX+0)
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INC IX
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LD B,(IX+0)
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INC IX
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NEXT LD A,(BC) ; BC = Instruction Register
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LD L,A ; @I -> WA (HL = word address)
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INC BC
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LD A,(BC)
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LD H,A
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INC BC ; I = I + 2
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RUN LD E,(HL) ; @WA -> CA (Code Address)
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INC HL ; WA = WA + 2
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LD D,(HL)
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INC HL
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EX DE,HL ; CA -> PC
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JP (HL)
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COLON DEC IX
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LD (IX+0),B
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DEC IX
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LD (IX+0),C
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LD C,E
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LD B,D
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JP (IY)
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;----------- End of Inner -----
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;---------- IMPORTANT - Start of Vocabulary, Dictionary Entries
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; Any code that is INTERNAL only, should come after the last Dictionary Entry.
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DICT_BEG
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DB 5,'TOK' ; TOKEN ID
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DW SEARCH - 6 ; should point to the Entry start.
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TOKEN DW $ + 2
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EXX ; Save IR (EXX exchanges BC, DE, and HL with shadow registers with BC', DE', and HL'.)
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LD HL,(LBP) ; pointer to token
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LD DE,(DP) ; pointer to Dictionary
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POP BC ; space left by ASPACE
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LD A,20H ; space code
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CP C ; space?
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JR NZ, TOK
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IGNLB CP (HL)
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JR NZ,TOK
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INC L
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JR IGNLB
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TOK PUSH HL
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COUNT INC B
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INC L
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LD A,(HL)
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CP C
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JR Z,ENDTOK
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RLA
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JR NC,COUNT
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DEC L
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ENDTOK INC L
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LD (LBP), HL
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LD A,B
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LD (DE), A
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INC DE
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POP HL
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LD C,B
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LD B,0
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LDIR ; Move token to dictionary
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EXX
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JP (IY)
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; SEARCH Primitive
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DB 6,'SEA'
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DW AT - 6 ; Point to the Entry proper.
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SEARCH DW $ + 2
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EXX ; save registers
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POP HL ; start of header
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TESTIT PUSH HL ; save start of header
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LD DE,(DP) ;dictionary pointer.
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LD C, 0 ; used with B as false flag
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LD A,(DE) ;get dictionary token length
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CP (HL) ; same as keyword length?
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JP NZ, NXTHDR ; go to next entry in linked list.
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CP 4 ; Is length over 3?
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JR C, BEL04 ; skip set 3
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LD A, 3 ; length = 3
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BEL04 LD B, A
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NEXTCH INC HL ; Bump header
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INC DE ; bump dictionary pointer.
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LD A, (DE) ; next character
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CP (HL)
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JR NZ, NXTHDR ; Go to next header entry.
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DJNZ NEXTCH ; next character
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POP HL ; start of found header
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LD DE,6 ; start plus 6
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ADD HL,DE ; == Word Address
|
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PUSH HL ; push WA; BC = 0 for Flag.
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JR FLAG
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NXTHDR POP HL ; start of current header
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LD DE,4 ; plus 4 == Link Address (pointer to next entry)
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ADD HL, DE ; To Next keyword
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LD E, (HL) ; get link address
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INC HL
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LD D, (HL)
|
||||
EX DE, HL
|
||||
LD A, H
|
||||
OR L
|
||||
JR NZ, TESTIT ; not 0, test next header.
|
||||
LD C, 1 ; false
|
||||
FLAG PUSH BC ; push flag
|
||||
EXX ;Restore registers
|
||||
JP (IY) ; back to NEXT
|
||||
|
||||
; @ - AT (Assembler won't allow @ for a label.)
|
||||
DB 1,'@',0,0 ; Search will find length of 1 and only look at first char. others are spaces to fill 3 bytes.
|
||||
DW CONTEXT - 6
|
||||
AT DW $ + 2
|
||||
POP HL
|
||||
LD E, (HL) ; low byte at address
|
||||
INC HL
|
||||
LD D, (HL) ; high byte
|
||||
PUSH DE
|
||||
JP (IY)
|
||||
|
||||
; CONTEXT, push address of Vocabulary to stack.
|
||||
DB 7,'CON'
|
||||
DW EXECUTE - 6
|
||||
CONTEXT DW $ + 2
|
||||
|
||||
|
||||
; EXECUTE primitive needs a dictionary entry for defining words.
|
||||
; This is a model for all other Primitive words that will be added to the dictionary
|
||||
;
|
||||
DB 7,'EXE' ; Header for dictionary search
|
||||
DW 0 ; Link address 0000 == End of Linked List.
|
||||
EXECUTE DW $ + 2 ; Address of EXECUTE.
|
||||
POP HL ; primitive code.
|
||||
JP RUN
|
||||
|
||||
;---------- End of Dictonary Entries
|
||||
|
||||
;
|
||||
; ?SEARCH - Secondary to search dictionary.
|
||||
QSEARCH DW $ + 2
|
||||
DW COLON
|
||||
DW CONTEXT
|
||||
DW AT
|
||||
DW AT
|
||||
DW SEARCH
|
||||
DW DUP
|
||||
DW @IF
|
||||
|
||||
|
||||
; TYPE - String with length byte (0a1234567890) printed to console.
|
||||
TYPE DW $ + 2
|
||||
TYPEIT POP DE ; get address of string
|
||||
PUSH HL ; save WA
|
||||
PUSH BC ; Save IR.
|
||||
EX DE,HL
|
||||
LD B,(HL)
|
||||
INC HL
|
||||
ONECHAR LD A,(HL)
|
||||
CALL _ECHO
|
||||
INC HL
|
||||
DJNZ ONECHAR
|
||||
POP BC ; Restore IR
|
||||
POP HL ; Restore WA
|
||||
JP NEXT
|
||||
|
||||
|
||||
|
||||
|
||||
; INLINE
|
||||
INLINE DW $ + 2 ;header address
|
||||
PUSH BC ; Save IR
|
||||
ISTART CALL _CRLF ; Issue CR / LF on terminal for new input
|
||||
LD HL, LBADD ; Buffer
|
||||
LD (LBP), HL
|
||||
LD B, LENGTH
|
||||
CLEAR LD (HL), SPACE
|
||||
INC HL
|
||||
DJNZ CLEAR
|
||||
ZERO LD L,0
|
||||
INKEY CALL _KEY
|
||||
CP LINEDEL ; CTRL-X is Line Delete
|
||||
JR NZ,TSTBS
|
||||
CALL _ECHO
|
||||
JR ISTART
|
||||
TSTBS CP BKSP ; backspace CTRL-H
|
||||
JR NZ, TSTCR
|
||||
DEC HL
|
||||
JP M,ZERO
|
||||
LD (HL), SPACE
|
||||
ISSUE CALL _ECHO
|
||||
JR INKEY
|
||||
TSTCR CP CR
|
||||
JR Z,LAST1
|
||||
BIT 7,L
|
||||
JR NZ,IEND
|
||||
SAVEIT LD (HL),A
|
||||
CP 61H ; Less than LC A ?
|
||||
JR C,NOTLC
|
||||
CP 7BH ; MORE THAN LC Z?
|
||||
JR NC,NOTLC
|
||||
RES 5,(HL)
|
||||
NOTLC INC L
|
||||
JR ISSUE
|
||||
IEND DEC L
|
||||
LD C,A
|
||||
LD A,BKSP
|
||||
CALL _ECHO
|
||||
LD A,C
|
||||
JR SAVEIT
|
||||
LAST1 LD A, SPACE
|
||||
CALL _ECHO
|
||||
POP BC
|
||||
JP (IY) ; Return to NEXT inner interpreter.
|
||||
|
||||
; Push 20h to stack, will pop into BC in TOKEN, and BC will be 0020h
|
||||
ASPACE DW $ + 2
|
||||
LD DE, 20h
|
||||
PUSH DE
|
||||
JP (IY)
|
||||
|
||||
|
||||
|
||||
; ABSENT?
|
||||
; - NO -> ?EXECUTE -> ASPACE
|
||||
; - YES -> NUMBER
|
||||
|
||||
; ?EXECUTE - Execute Secondary.
|
||||
QEXECUTE DW $ + 2
|
||||
NOP
|
||||
JP (IY)
|
||||
|
||||
QNUMBER DW $ + 2
|
||||
NOP
|
||||
JP (IY)
|
||||
|
||||
@IF DW $ + 2
|
||||
POP HL
|
||||
LD A,L
|
||||
OR H
|
||||
JP Z,_ELSE
|
||||
INC BC
|
||||
JP (IY)
|
||||
|
||||
_ELSE LD A,(BC) ; get jump byte
|
||||
ADD A, C ; add to IR
|
||||
LD C, A ; Reset IR
|
||||
JR NC, OUT ; Past Page?
|
||||
INC B ; Yes
|
||||
OUT JP (IY)
|
||||
|
||||
|
||||
|
||||
DUP DW $ + 2
|
||||
POP HL
|
||||
PUSH HL
|
||||
PUSH HL
|
||||
JP (IY)
|
||||
|
||||
; For Z80 MC - DDT was changed to use RST 6 since the hardware uses RST 7.
|
||||
; For Standard CP/M
|
||||
TILHALT DW $ + 2
|
||||
IF STD_CPM = 1
|
||||
RST 7
|
||||
ELSE
|
||||
RST 6
|
||||
ENDIF
|
||||
|
||||
|
||||
; INVALID NUMBER?
|
||||
; NO -> ASPACE
|
||||
; YES -> QUESTION
|
||||
|
||||
; QUESTION
|
||||
QUESTION DW $ + 2
|
||||
LD HL,(DP)
|
||||
INC HL
|
||||
BIT 7,(HL) ; IF BIT SET, A TERMINATOR
|
||||
JR Z,ERROR ;NOT SET ERROR
|
||||
LD DE,OK
|
||||
PUSH DE
|
||||
JP (IY)
|
||||
ERROR CALL _CRLF
|
||||
LD IY,RETURN
|
||||
JP TYPE
|
||||
RETURN LD DE, QMSG
|
||||
JP _PATCH
|
||||
|
||||
; GOTO TYPE
|
||||
|
||||
|
||||
; Internals
|
||||
|
||||
QMSG DB '?', 0
|
||||
OK DB 'OK',0
|
||||
|
||||
; PATCH internal routine.
|
||||
_PATCH DB 0
|
||||
|
||||
|
||||
|
||||
|
||||
;----------------------------------------
|
||||
; CP/M Machine Specific routines
|
||||
;
|
||||
; * Internal Routines interfacing with Operating System.
|
||||
; * _ECHO - Echo a character to terminal
|
||||
; * _KEY - Read a key from terminal
|
||||
; * _CRLF - Output CR/LF to terminal
|
||||
;----------------------------------------
|
||||
;; Handy Constants
|
||||
CR EQU 0DH
|
||||
LF EQU 0AH
|
||||
DOLLAR EQU 24H
|
||||
ESC EQU 1BH
|
||||
CTRLC EQU 03H
|
||||
|
||||
; Screen print calls
|
||||
CHAR_IN EQU 03H
|
||||
C_STAT EQU 0BH
|
||||
C_RAWIO EQU 06H
|
||||
|
||||
; til has own write str using _ECHO
|
||||
;WRITESTR EQU 9H
|
||||
PRTCHR EQU 02H
|
||||
BDOS EQU 05H
|
||||
|
||||
; Output one character.
|
||||
; A = Input Char.
|
||||
; preserve BC register.
|
||||
; preserve HL register.
|
||||
_ECHO
|
||||
PUSH HL
|
||||
PUSH BC
|
||||
PUSH DE
|
||||
LD D,A
|
||||
LD E,A
|
||||
LD C, PRTCHR
|
||||
CALL BDOS
|
||||
POP DE
|
||||
POP BC
|
||||
POP HL
|
||||
RET
|
||||
|
||||
; Get a key
|
||||
_KEY
|
||||
; Preserve BC, DE, and HL.
|
||||
PUSH BC
|
||||
PUSH DE
|
||||
PUSH HL
|
||||
WAITKEY LD C, C_RAWIO
|
||||
LD DE,FFFFh
|
||||
CALL BDOS
|
||||
OR A
|
||||
JR Z,WAITKEY
|
||||
POP HL
|
||||
POP DE
|
||||
POP BC
|
||||
; Character returned in A register.
|
||||
RET
|
||||
|
||||
; Output CR LF to console.
|
||||
_CRLF
|
||||
PUSH AF
|
||||
LD A, CR
|
||||
CALL _ECHO
|
||||
LD A, LF
|
||||
CALL _ECHO
|
||||
POP AF
|
||||
RET
|
||||
|
||||
; Constants
|
||||
;
|
||||
LINEDEL EQU 18H ; ctrl-x line delete
|
||||
SPACE EQU 20h ; space
|
||||
BKSP EQU 08h ; ctrl-H backspace
|
||||
|
||||
; Variables
|
||||
BASE DB 0 ; BASE for restart/warm start
|
||||
MODE DB 0 ; MODE
|
||||
LBP DW 0 ; line buffer pointer
|
||||
LENGTH EQU 128 ; buffer length
|
||||
ORG 400h ; put on page boundary
|
||||
LBADD DS 128 ; text input buffer
|
||||
LBEND DW 0
|
||||
|
||||
; CORE points to Core Vocab (first entry in dictionary)
|
||||
CORE DW DICT_BEG
|
||||
|
||||
;---- CONTEXT... points to Vocabulary?
|
||||
CTXTPTR DW DP
|
||||
; Dictonary pointer
|
||||
DP DW DICT
|
||||
STACK EQU 8000h
|
||||
|
||||
; Strings
|
||||
RSTMSG DB ' TIL RESTART'
|
||||
SRTMSG DB ' WELCOME TO RETRO TIL'
|
||||
|
||||
|
||||
DICT DS 4000
|
||||
|
||||
|
||||
|
||||
|
||||
END 0000
|
||||
37
altair8800/rand.asm
Normal file
37
altair8800/rand.asm
Normal file
@ -0,0 +1,37 @@
|
||||
; Altair 8080 LCG Random Number Generator
|
||||
|
||||
ORG 100h ; Start of program
|
||||
|
||||
MAIN:
|
||||
LXI B, 0Ah ; Initialize loop counter (10 iterations)
|
||||
MVI C, 0 ; Initialize seed value (you can change this)
|
||||
MVI D, 13h ; Multiplier (you can change this)
|
||||
MVI E, 07h ; Increment (you can change this)
|
||||
|
||||
RANDOM_LOOP:
|
||||
; Compute the next random number using LCG formula
|
||||
MOV A, C
|
||||
MVI H, 0
|
||||
MOV L, D
|
||||
DAD H
|
||||
XTHL
|
||||
MOV A, L
|
||||
ADD E
|
||||
MOV L, A
|
||||
JNC SKIP_CARRY
|
||||
INR H
|
||||
|
||||
SKIP_CARRY:
|
||||
XTHL
|
||||
MOV C, A
|
||||
|
||||
; Output the random number
|
||||
; You can replace this with any code to use the random number
|
||||
; For simplicity, we'll just output it to the console
|
||||
OUT 01h
|
||||
|
||||
; Decrement loop counter
|
||||
DCR B
|
||||
JNZ RANDOM_LOOP
|
||||
|
||||
END
|
||||
10
src/BLINKEN.BAS
Normal file
10
src/BLINKEN.BAS
Normal file
@ -0,0 +1,10 @@
|
||||
1 PINM 13,1
|
||||
10 E=DREAD(2)
|
||||
20 IF E=1 THEN GOTO 100
|
||||
30 DWRITE 13,0
|
||||
40 DELAY 500
|
||||
50 DWRITE 13,1
|
||||
60 DELAY 500
|
||||
70 GOTO 10
|
||||
100 DWRITE 13,0
|
||||
110 END
|
||||
@ -33,10 +33,13 @@ LF EQU 0AH
|
||||
DOLLAR EQU 24H
|
||||
ESC EQU 27
|
||||
|
||||
; Screen print calls
|
||||
; CP/M calls
|
||||
WRITESTR EQU 9H
|
||||
PRTCHR EQU 02H
|
||||
BDOS EQU 5H
|
||||
CHRIN EQU 01H
|
||||
BDOS EQU 05H
|
||||
CONSOLEOUT EQU 06H
|
||||
CONSOLEIN EQU 0AH
|
||||
|
||||
ORG 100h
|
||||
|
||||
@ -45,31 +48,67 @@ MAIN:
|
||||
CALL PUTS
|
||||
|
||||
READING:
|
||||
CALL INPUT
|
||||
LD DE, PROMPT
|
||||
CALL PUTS
|
||||
; PUSH HL
|
||||
; CALL INPUT
|
||||
LD C, CONSOLEIN
|
||||
CALL BDOS
|
||||
|
||||
call PUTS
|
||||
; POP HL
|
||||
LD DE, NEWLINE
|
||||
CALL PUTS
|
||||
JP READING
|
||||
|
||||
INPUT:
|
||||
LD C,11 ; C_STAT
|
||||
LD DE,0
|
||||
CALL BDOS
|
||||
OR A
|
||||
JR Z,INPUT
|
||||
; LD HL, BUFFER
|
||||
; LD B, BUFFER_SIZE
|
||||
|
||||
LD C,6
|
||||
LD DE,-1
|
||||
; ; Read first character in, process it, and output
|
||||
; ; it to the console
|
||||
; LD C, CHRIN
|
||||
; LD DE, -1
|
||||
; CALL BDOS
|
||||
|
||||
; CP 03H
|
||||
; JP Z, EXIT
|
||||
|
||||
; CP 0DH
|
||||
; JP Z, INPUTEX
|
||||
|
||||
; LD (HL), A
|
||||
; INC HL
|
||||
; ; ADD HL, HL
|
||||
; DEC B
|
||||
|
||||
INPUTLP:
|
||||
LD C, CHRIN
|
||||
LD DE, -1
|
||||
CALL BDOS
|
||||
OR A
|
||||
JP Z,INPUT
|
||||
|
||||
CP 03H
|
||||
JP Z, EXIT
|
||||
|
||||
CP 0DH
|
||||
JP Z, EXIT
|
||||
JP Z, INPUTEX
|
||||
|
||||
LD D, A
|
||||
LD E, A
|
||||
CALL PUTC
|
||||
; LD (HL), A
|
||||
; INC HL
|
||||
; ; ADD HL, HL
|
||||
; DEC B
|
||||
; DJNZ INPUTLP
|
||||
JP INPUTLP
|
||||
|
||||
INPUTEX:
|
||||
; LD (HL), DOLLAR
|
||||
; INC HL
|
||||
; LD A, 0H
|
||||
; LD (HL), A
|
||||
; ADD HL, HL
|
||||
; LD A, DOLLAR
|
||||
; LD (HL), A
|
||||
; LD HL, BUFFER
|
||||
RET
|
||||
|
||||
; Print a string
|
||||
@ -78,18 +117,20 @@ PUTS:
|
||||
CALL BDOS
|
||||
RET
|
||||
|
||||
; Print a character
|
||||
PUTC:
|
||||
LD C, PRTCHR
|
||||
CALL BDOS
|
||||
RET
|
||||
|
||||
CL: DB ESC,"[H",ESC,"[2J$"
|
||||
BUFFER: DS BUFFER_SIZE
|
||||
GREET: DB "William Moore's FORTH TIL!", CR, LF, 0H
|
||||
PROMPT: DB ESC, ESC, "$ ", 0H
|
||||
BUFFER DS 255
|
||||
EOS DB "$"
|
||||
GREET DB "William Moore's FORTH TIL!", CR, LF, "$"
|
||||
PROMPT DB "> $"
|
||||
NEWLINE DB CR, LF, "$"
|
||||
|
||||
|
||||
EXIT:
|
||||
JP 0h
|
||||
; JP 0h
|
||||
HALT
|
||||
|
||||
END
|
||||
Loading…
Reference in New Issue
Block a user