New firmware R1.16 with DOS 1.05: added support for sequential files

12-Home computer/LM80C_64K-firmware-r1.16.asm

@@ -0,0 +1,99 @@
+; ------------------------------------------------------------------------------
+; LM80C 64K - FIRMWARE - R1.16
+; ------------------------------------------------------------------------------
+; The following code is intended to be used with LM80C Z80-based computer
+; designed by Leonardo Miliani. More info at
+; www DOT leonardomiliani DOT com
+; ------------------------------------------------------------------------------
+; Coding/Editing/Compiling:
+; Original init code for MC68B05 by Grant Searle
+; Original SIO/CTC/PIO init code by Mario Blunk
+; NASCOM BASIC originally modified by Gran Searle
+; Code modified and adapted for LM80C by Leonardo Miliani
+;
+; Edited with Visual Studio Code
+;
+; Compiled with SjASMPlus assembler 1.18.2
+; https://github.com/z00m128/sjasmplus
+; ------------------------------------------------------------------------------
+; Copyright notes:
+; Parts of the code (c) Grant Searle - free for non commercial use
+; Please include this advice and the note to the attribution of the original
+; version to Grant Searle if you intend to redistribuite it
+; http://searle.hostei.com/grant/index.html
+; eMail: home.micros01@btinternet.com
+;
+; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+; Parts of the code (c) Mario Blunk
+; http://www.train­z.de
+;
+; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+; NASCOM ROM BASIC Ver 4.7, (C) 1978 Microsoft
+; Scanned from source published in 80-BUS NEWS from Vol 2, Issue 3
+; (May-June 1983) to Vol 3, Issue 3 (May-June 1984)
+; Adapted for the freeware Zilog Macro Assembler 2.10 to produce
+; the original ROM code (checksum A934H). PA
+;
+; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+; The following code is intended to be used with LM80C Z80-based computer
+; designed by Leonardo Miliani. Code and computer schematics are released under
+; the therms of the GNU GPL License 3.0 and in the form of "as is", without no
+; kind of warranty: you can use them at your own risk.
+; You are free to use them for any non-commercial use: you are only asked to
+; maintain the copyright notices, include this advice and the note to the 
+; attribution of the original version to Leonardo Miliani, if you intend to
+; redistribuite them.
+; https://www.leonardomiliani.com
+; 
+; Please support me by visiting the following links:
+; Main project page: https://www.leonardomiliani.com
+; Schematics and code: https://github.com/leomil72/LM80C
+; Videos about the computer: https://www.youtube.com/user/leomil72/videos
+; Hackaday page: https://hackaday.io/project/165246-lm80c-color-computer
+; ------------------------------------------------------------------------------
+; set name for binary output file
+    OUTPUT "LM80C-64K-firmware-r1.16.bin"
+
+; set firmware version
+    DEFINE VERSION "1.16"
+
+; set DOS version
+    DEFINE  DOS_VER "1.05"
+
+; ------------------------------------------------------------------------------
+; include the latest version of the bootloader: this sets up the address aliases,
+; configure the hardware, checks if warm or cold startup and loads the BASIC interpreter
+    INCLUDE "../include/bootloader/bootloader-1.07.asm"
+
+; incude the latest version of the VDP module
+    INCLUDE "../include/vdp/vdp-1.07.asm"
+
+; incude the latest version of the PSG module
+    INCLUDE "../include/psg/psg-1.1.asm"
+
+; include the latest version of the LM80C 64K BASIC interpreter
+    INCLUDE "../include/basic/basic-1.11.asm"
+
+; include utils
+    INCLUDE "../include/utils/utils-r1.2.asm"
+
+; include the latest version of the font sets
+    INCLUDE "../include/vdp/6x8fonts-r16.asm"
+    INCLUDE "../include/vdp/8x8fonts-r18.asm"
+    INCLUDE "../include/vdp/logo-fonts.asm"
+
+; include ROM/RAM switcher
+    INCLUDE "../include/switcher/switcher-r1.02.asm"
+
+; include workspace equates
+    INCLUDE "../include/workspace/workspace-r1.02.asm"
+
+; include the latest versions of the CF & DOS modules
+; do NOT move these files from this position and
+; do NOT alter their order!
+    INCLUDE "../include/dos/dos-1.05.asm"
+    INCLUDE "../include/dos/bios-1.03.asm"
+    INCLUDE "../include/dos/buffers-1.01.asm"
+
+; END OF ASSEMBLY SOURCE
+;-------------------------------------------------------------------------------

12-Home computer/changelog-64k.txt

@@ -9,6 +9,11 @@ for the LM80C 64K Color Computer. More info at www DOT leonardomiliani DOT com
 
 P.S.: for the changelog of the LM80C Color Computer see the corresponding changelog file
 
+---------------------------------------------------------------------------------------------
+1.16    - 20210327
+- New DOS 1.05 with support for sequential files;
+- new BASIC statements OPEN, CLOSE, PUT, GET, EOF to manage sequential files
+
 ---------------------------------------------------------------------------------------------
 1.15    - 20210319
 

include/vdp/vdp-1.06.asm → Legacy/Legacy cores/include/vdp/vdp-1.06.asm

@@ -689,7 +689,7 @@ NXTINST:        dec     BC              ; decrement number of chars to move
                 ld      A,C
                 or      B               ; finished?
                 jr      NZ,CHKHL        ; no, repeat
-ENDINSRT:       ld      A,SPC           ; load SPACE character
+                ld      A,SPC           ; load SPACE character
                 ld      HL,(CUR_POS)    ; get cursor position
                 ld      (SCR_ORG_CHR),A ; reset original char under the cursor
                 call    WRITE_VIDEO_LOC ; empty current video location
@@ -1021,7 +1021,7 @@ RPTNLLSRC2:     push    HL
                 call    READ_VIDEO_LOC  ; read char of current position
                 and     A               ; is it $00 (null char)?
                 jr      NZ,RPTNLLSRC2   ; no, continue searching
-CNTNULL2:       ret                     ; yes: found end of text, return to caller
+                ret                     ; yes: found end of text, return to caller
 
 
 ; ------------------------------------------------------------------------------