emul+cvm: link to curses instead of ncurses

NetBSD doesn't have ncurses. Linking to curses doesn't seem to change
anything. Tried on OpenBSD and Ubuntu.

cvm/Makefile

@@ -19,7 +19,7 @@ blkfs: $(BLKPACK)
 	$(BLKPACK) ../blk > $@
 
 forth: forth.c $(OBJS)
-	$(CC) -DBLKFS_PATH=\"`pwd`/blkfs\" forth.c $(OBJS) -lncurses -o $@
+	$(CC) -DBLKFS_PATH=\"`pwd`/blkfs\" forth.c $(OBJS) -lcurses -o $@
 
 vm.o: vm.c blkfs
 	$(CC) -DFBIN_PATH=\"`pwd`/forth.bin\" -c -o vm.o vm.c

cvm/README.md

@@ -5,8 +5,7 @@ to run natively on any POSIX environment.
 
 ## Requirements
 
-You need `ncurses` to build the `forth` executable. In debian-based distros,
-it's `libncurses5-dev`.
+You need `curses` to build the `forth` executable.
 
 ## Build
 

emul/8086/Makefile

@@ -8,13 +8,13 @@ BLKFS = $(CDIR)/blkfs
 all: $(TARGETS)
 
 forth: forth.c forth.bin $(OBJS) $(BLKFS)
-	$(CC) -DFBIN_PATH=\"`pwd`/forth.bin\" -DBLKFS_PATH=\"`pwd`/$(BLKFS)\" forth.c $(OBJS) -lncurses -o $@
+	$(CC) -DFBIN_PATH=\"`pwd`/forth.bin\" -DBLKFS_PATH=\"`pwd`/$(BLKFS)\" forth.c $(OBJS) -lcurses -o $@
 
 forth.bin: xcomp.fs $(STAGE)
 	$(CDIR)/stage < xcomp.fs > $@
 
 pcat: pcat.c $(OBJS) $(BLKFS)
-	$(CC) -DBLKFS_PATH=\"`pwd`/$(BLKFS)\" pcat.c $(OBJS) -lncurses -o $@
+	$(CC) -DBLKFS_PATH=\"`pwd`/$(BLKFS)\" pcat.c $(OBJS) -lcurses -o $@
 
 $(BLKFS): $(STAGE)
 

emul/8086/README.md

@@ -11,8 +11,7 @@ it only cover Collapse OS' own needs.
 
 ## Requirements
 
-You need `ncurses` to build the `forth` executable. In debian-based distros,
-it's `libncurses5-dev`.
+You need `curses` to build the `forth` executable.
 
 ## Build
 

emul/z80/Makefile

@@ -11,7 +11,7 @@ BLKFS = $(CDIR)/blkfs
 all: $(TARGETS)
 
 forth: forth.c $(OBJS) $(BLKFS)
-	$(CC) forth.c $(OBJS) -lncurses -o $@
+	$(CC) forth.c $(OBJS) -lcurses -o $@
 
 rc2014: rc2014.c $(RC2014_OBJS)
 	$(CC) rc2014.c $(RC2014_OBJS) -o $@

emul/z80/README.md

@@ -5,8 +5,7 @@ emulator.
 
 ## Requirements
 
-You need `ncurses` to build the `forth` executable. In debian-based distros,
-it's `libncurses5-dev`.
+You need `curses` to build the `forth` executable.
 
 For `sms` and `ti84` emulators, you need XCB and pkg-config.