Changeset 87361de in buchla-68k

Timestamp:

07/16/2017 05:38:56 PM (7 years ago)

Author:

Thomas Lopatic <thomas@…>

Branches:

master

Children:

499da16

Parents:

f38d645

Message:

Prepend a header to midas.abs.

Files:

• Makefile (modified) (4 diffs)
• misc/mkhd.sh (added)
• readme.txt (modified) (2 diffs)

Makefile

@@ -7 +7 @@
 CROSS_AR :=             $(CROSS_PRE)-ar
 CROSS_OBJC :=   $(CROSS_PRE)-objcopy
+CROSS_NM :=             $(CROSS_PRE)-nm
 
 # -mshort sets the size of an int to 16 bits; important for interop with
@@ -24 +25 @@
 HEADERS :=              $(wildcard include/*.h)
 
-all:                    bios.abs midas.abs
+all:                    bios.img midas.abs
 
 PROLOG_C :=             croot.c
@@ -165 +166 @@
 build/%.o:              rom/%.s $(HEADERS) | build
                                 $(CROSS_GCC) $(FLAGS_ASM) -c -o $@ $<
-
-bios.abs:               bios.img
-                                cp bios.img bios.abs
 
 bios.img:               bios.elf
@@ -211 +209 @@
                                 $(CROSS_GCC) $(FLAGS_ASM) -c -o $@ $<
 
-midas.abs:              midas.img
-                                cp midas.img midas.abs
+midas.abs:              midas.elf midas.img
+                                misc/mkhd.sh $(CROSS_NM) midas.elf >/tmp/midas.hdr
+                                cat /tmp/midas.hdr midas.img >midas.abs
+                                rm /tmp/midas.hdr
 
 midas.img:              midas.elf

readme.txt

@@ -32 +32 @@
 
 In particular, there's no code for anything related to the actual
-sound generation. This seems to happen entirely on different hardware,
-which the code refers to as the "FPU" - possibly something DSP-based.
+sound generation.
 
 Building with a GCC cross-compiler
@@ -94 +93 @@
 Once you have the cross-toolchain in place, invoke
 
-  make bios.abs
+  make bios.img
 
 from the top-level directory of this repository to build the BIOS and