New firmware release R3.10

Author: leomil72

12-Home computer/LM80C-firmware-r310.asm

@@ -0,0 +1,90 @@
+; ------------------------------------------------------------------------------
+; LM80C - FIRMWARE - R3.10
+; ------------------------------------------------------------------------------
+; 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 Atom Editor
+;
+; Compiled with ZASM assembler 4.2.4
+; https://k1.spdns.de/Develop/Projects/zasm-4.0/Distributions/
+; ------------------------------------------------------------------------------
+; 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: [email protected]
+;
+; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+; 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
+; ------------------------------------------------------------------------------
+
+
+; ------------------------------------------------------------------------------
+; this line instructs the assembler to prepare a file for a ROM target
+; meaning that blank cells will be filled up with $FF
+#target rom
+
+; this line instructs the assembler to compile taking account that code
+; starts at $0000 (the address reached by Z80 upon reset)
+#code BOOT, $0000
+
+; ------------------------------------------------------------------------------
+; 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-r310.asm"
+
+; incude the latest version of the VDP module
+#include "../include/vdp/vdp-r310.asm"
+
+; incude the latest version of the PSG module
+#include "../include/psg/psg-r310.asm"
+
+; include the latest version of the NASCOM BASIC interpreter
+#include "../include/basic/basic32k-r310.asm"
+
+; include utils
+#include "../include/utils/utils-r11.asm"
+
+; include the latest version of the font sets
+#include "../include/vdp/6x8fonts-r14.asm"
+#include "../include/vdp/8x8fonts-r17.asm"
+#include "../include/vdp/logo-fonts.asm"
+
+; END OF ASSEMBLY SOURCE
+#end
+
+;-------------------------------------------------------------------------------

12-Home computer/changelog.txt

@@ -7,6 +7,13 @@
 The following file reports the changelog of the LM80C firmware developed by Leonardo Miliani
 for the LM80C Color Computer. More info at www DOT leonardomiliani DOT com
 
+---------------------------------------------------------------------------------------------
+3.10  - 20200508
+
+- Added GPRINT command to print text and ASCII chars in screen 2 as they would in text modes;
+- fixed a bug that lead to unpredictable behaviors when a line longer than 88 chars was
+  received from the serial port: now the interpeter simply drops exceeding chars.
+
 ---------------------------------------------------------------------------------------------
 3.9   - 20200502
 

BASIC examples/gprint.bas

@@ -0,0 +1,8 @@
+10 REM TEST OF GPRINT IN GRAPHICS 2
+15 REM WORKS WITH LM80C BASIC R3.10 AND ABOVE
+20 SCREEN 2
+30 FOR I=0TO767
+40 X=I%32:Y=I#32
+50 CH$=CHR$(INT(RND(1)*256))
+60 GPRINT CH$,X,Y,INT(RND(1)*15+1),INT(RND(1)*15+1)
+70 NEXT