Feature drv1571burst

Makefile

@@ -234,6 +234,7 @@ endif
 DRIVER_SOURCES= \
 	drv/drv1541.bin \
 	drv/drv1571.bin \
+	drv/drv1571burst.bin \
 	drv/drv1581.bin \
 	input/joydrv.bin \
 	input/amigamse.bin \
@@ -270,6 +271,7 @@ ALL_BINS= \
 	$(BUILD_DIR)/kernal/kernal.bin \
 	$(BUILD_DIR)/drv/drv1541.bin \
 	$(BUILD_DIR)/drv/drv1571.bin \
+	$(BUILD_DIR)/drv/drv1571burst.bin \
 	$(BUILD_DIR)/drv/drv1581.bin \
 	$(BUILD_DIR)/input/joydrv.bin \
 	$(BUILD_DIR)/input/amigamse.bin \
@@ -307,7 +309,7 @@ $(BUILD_DIR)/$(D64_RESULT): $(BUILD_DIR)/kernal_compressed.prg
 	else \
 		echo format geos,00 d64 $@ | $(C1541) >/dev/null; \
 		echo write $< geos128 | $(C1541) $@ >/dev/null; \
-		if [ -e $(DESKTOP_CVT) ]; then echo geoswrite $(DESKTOP_CVT) | $(C1541) $@; fi >/dev/null; \
+		if [ -e "$(DESKTOP_CVT)" ]; then echo geoswrite "$(DESKTOP_CVT)" | $(C1541) $@; fi >/dev/null; \
 		echo \*\*\* Created fresh $@.; \
 	fi;
 else
@@ -382,6 +384,9 @@ $(BUILD_DIR)/drv/drv1541.bin: $(BUILD_DIR)/drv/drv1541.o drv/drv1541.cfg $(DEPS)
 $(BUILD_DIR)/drv/drv1571.bin: $(BUILD_DIR)/drv/drv1571.o drv/drv1571.cfg $(DEPS)
 	$(LD) -C drv/drv1571.cfg $(BUILD_DIR)/drv/drv1571.o -o $@
 
+$(BUILD_DIR)/drv/drv1571burst.bin: $(BUILD_DIR)/drv/drv1571burst.o drv/drv1571burst.cfg $(DEPS)
+	$(LD) -C drv/drv1571burst.cfg $(BUILD_DIR)/drv/drv1571burst.o -o $@
+
 $(BUILD_DIR)/drv/drv1581.bin: $(BUILD_DIR)/drv/drv1581.o drv/drv1581.cfg $(DEPS)
 	$(LD) -C drv/drv1581.cfg $(BUILD_DIR)/drv/drv1581.o -o $@
 

README.md

@@ -81,7 +81,7 @@ Without pucrunch/c1541, you can still build an uncompressed KERNAL binary image.
 Run `make` to build the original "BSW" GEOS for C64. This will create the following files in directory `build/bsw`:
 
 * raw KERNAL components: `kernal.bin`, `lokernal.bin`, `init.bin`
-* disk drive drivers: `drv1541.bin`, `drv1571.bin`, `drv1581.bin`
+* disk drive drivers: `drv1541.bin`, `drv1571.bin`, `drv1571burst.bin`, `drv1581.bin`
 * input drivers: `amigamse.bin`, `joydrv.bin`, `lightpen.bin`, `mse1351.bin`, `koalapad.bin`, `pcanalog.bin`
 * combined KERNAL image (`SYS 49155`): `kernal_combined.prg`
 * compressed KERNAL image (`RUN`): `kernal_compressed.prg`
@@ -114,6 +114,7 @@ By default, the KERNAL image will contain the Commodore 1541 disk driver (`drv15
 
 Supported drives are `drv1541`, `drv1571` and `drv1581`. Supported input devices are `amigamse`, `joydrv`, `koalapad`, `lightpen`, `mse1351` and `pcanalog`.
 
+For C128, with `VARIANT=bsw128` you can also choose to use `DRIVE=drv1571burst` to use native DOS Burst Command Instruction Set instead of speed loader.
 
 ## Customization
 

config.inc

@@ -170,6 +170,8 @@ REUPresent = 1
 DRV_TYPE = 1 ; DRV_1541
 .elseif .defined(drv1571)
 DRV_TYPE = 2; DRV_1571
+.elseif .defined(drv1571burst)
+DRV_TYPE = 2; DRV_1571
 .elseif .defined(drv1581)
 DRV_TYPE = 3; DRV_1581
 .else

drv/drv1571burst.cfg

@@ -0,0 +1,11 @@
+MEMORY {
+	DISK_BASE:    start = $9000, size = $0D80, file = %O;
+
+	DRIVE0300:    start = $0300, size = $0500;
+}
+
+SEGMENTS {
+	drv1571:            load = DISK_BASE, type = ro;
+	drv1571_drivecode:  load = DISK_BASE, run = DRIVE0300, type = ro;
+	drv1571_b:          load = DISK_BASE, type = ro;
+}