izaya/collapseos
1
0
Fork 0
mirror of https://github.com/hsoft/collapseos.git synced 2024-11-18 03:08:06 +11:00
Code Issues Releases Wiki Activity

recipes/trs80: fix double line feeds

Browse Source 
Lines should be terminated only with a CR on this system, not CRLF.
This commit is contained in:
Virgil Dupras 2020-02-21 08:40:42 -05:00
parent 0f2b3aca24
commit bd38d46892
3 changed files with 23 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
kernel/stdio.asm
View File

@ -76,6 +76,9 @@ printnstr:
pop bc pop bc
ret ret
; Prints a line terminator. This routine is a bit of a misnomer because it's
; designed to be overridable to, for example, printlf, but we'll live with it
; for now...
printcrlf: printcrlf:
push af push af
ld a, CR ld a, CR

10
recipes/trs80/README.md
View File

@ -151,6 +151,10 @@ A memory range dumped this way will be re-loaded at the same offset through
using the `RUN` command. Therefore, you can avoid all this work above in later using the `RUN` command. Therefore, you can avoid all this work above in later
sessions by simply typing `recv` in the DOS prompt. sessions by simply typing `recv` in the DOS prompt.
Note that you might want to turn `debug` off for these commands to run. I'm not
sure why, but when the debugger is on, launching the command triggers the
debugger.
## Sending binary through the RS-232 port ## Sending binary through the RS-232 port
Once you're finished punching your program in memory, you can run it with Once you're finished punching your program in memory, you can run it with
@ -186,6 +190,12 @@ If there was no error during `pingpong`, the content should be exact.
Nevertheless, I recommend that you manually validate a few bytes using TRSDOS Nevertheless, I recommend that you manually validate a few bytes using TRSDOS
debugger before carrying on. debugger before carrying on.
*debugging tip*: Sometimes, the communication channel can be a bit stubborn and
always fail, as if some leftover data was consistently blocking the channel. It
would cause a data mismatch at the very beginning of the process, all the time.
What I do in these cases is start a `COMM *cl` session on one side and a screen
session on the other, type a few characters, and try `pingpong` again.
## Running Collapse OS ## Running Collapse OS
If everything went well, you can run Collapse OS with `g3000<space>`. You'll If everything went well, you can run Collapse OS with `g3000<space>`. You'll

10
recipes/trs80/glue.asm
View File

@ -18,6 +18,9 @@
.equ STDIO_PUTC trs80PutC .equ STDIO_PUTC trs80PutC
.inc "stdio.asm" .inc "stdio.asm"
; The TRS-80 generates a double line feed if we give it both CR and LF.
.equ printcrlf printcr
; *** BASIC *** ; *** BASIC ***
; RAM space used in different routines for short term processing. ; RAM space used in different routines for short term processing.
@ -44,4 +47,11 @@ init:
call basInit call basInit
jp basStart jp basStart
printcr:
push af
ld a, CR
call STDIO_PUTC
pop af
ret
RAMSTART: RAMSTART: