[Telestrat] chdir management (#1419)

* add syschdir * revert read.s * remove extra line * Now we update __cwd * Fix tab * Fix another tab * Fix tab * Fix tab and jmp * fix xgetcwd * Fix comments
2021-03-11 09:42:14 +01:00
parent 23fba6cc37
commit 4f26650228
4 changed files with 41 additions and 8 deletions
--- a/libsrc/telestrat/syschdir.s
+++ b/libsrc/telestrat/syschdir.s
@@ -0,0 +1,32 @@
+;
+; Jede (jede@oric.org), 2021-02-22
+;
+; unsigned char _syschdir (const char* name, ...);
+;
+
+        .export         __syschdir
+        .import         addysp, popax
+        .importzp       tmp1
+        .import         initcwd
+
+        .include        "telestrat.inc"
+        .include        "zeropage.inc"
+        
+
+__syschdir:
+        ; Throw away all parameters except the name
+        dey
+        dey
+        jsr     addysp
+
+        ; Get name
+        jsr     popax
+		
+        stx     tmp1
+        ldy     tmp1
+        
+        ; Call telemon primitive
+        
+        BRK_TELEMON(XPUTCWD)
+
+        jmp     initcwd      ; Update cwd