Add "See it in action" section to README

closes #15

README.md

@@ -19,6 +19,14 @@ manage to build and install Collapse OS without external resources (i.e.
 internet) on a machine of her design, built from scavenged parts with low-tech
 tools.
 
+## See it in action
+
+Michael Schierl has put together [a set of emulators running in the browser that
+run Collapse OS in different contexts][jsemul].
+
+Using those while following along with the [User Guide](doc/) is your quickest
+path to giving Collapse OS a try.
+
 ## Organisation of this repository
 
 * `kernel`: Pieces of code to be assembled by the user into a kernel.
@@ -39,3 +47,4 @@ for more information.
 
 [libz80]: https://github.com/ggambetta/libz80
 [web]: https://collapseos.org
+[jsemul]: https://schierlm.github.io/CollapseOS-Web-Emulator/

tools/emul/shell/shell_.asm

@@ -84,8 +84,8 @@ init:
 	; setup stack
 	ld	hl, KERNEL_RAMEND
 	ld	sp, hl
-	ld	hl, emulGetB
-	ld	de, emulPutB
+	ld	hl, emulGetC
+	ld	de, emulPutC
 	call	stdioInit
 	call	fsInit
 	ld	a, 0	; select fsdev
@@ -97,13 +97,13 @@ init:
 	ld	(SHELL_CMDHOOK), hl
 	jp	shellLoop
 
-emulGetB:
+emulGetC:
 	; Blocks until a char is returned
 	in	a, (STDIO_PORT)
 	cp	a		; ensure Z
 	ret
 
-emulPutB:
+emulPutC:
 	out	(STDIO_PORT), a
 	ret