chris/open-roms
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Add the mc64 configuration, the Firmware of arnitech's mc64

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A copy of the c64 configuration with its own ID ($6D), the brand "MC64",
and BCD_SAFE_INTERRUPTS off, plus its Makefile targets
build/kernal_mc64.rom and build/basic_mc64.rom, made the same way as the
c64 ones. NOTICE says who modified the fork, when, and what changed.
This commit is contained in:
chris committed 2026-10-14 18:32:24 +02:00
1 parent ad178dbe4d
commit 840c5f1b61
3 files changed
+166
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Makefile
+20
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@@ -137,6 +137,7 @@ GEN_ZMAC_H = $(DIR_ZMAC_TMP)/doc.inl
# List of build directories
DIR_C64 = build/target_c64
DIR_MC64 = build/target_mc64
DIR_CUS = build/target_custom
DIR_GEN = build/target_generic
DIR_GENCRT = build/target_generic_crt
@@ -151,6 +152,7 @@ DIR_X16 = build/target_cx16
CFG_CUS = src/,,config_custom.s
CFG_C64 = src/,,config_c64.s
CFG_MC64 = src/,,config_mc64.s
CFG_GEN = src/,,config_generic.s
CFG_GENCRT = src/,,config_generic_crt.s
CFG_TST38 = src/,,config_testing_38K.s
@@ -164,6 +166,7 @@ CFG_U64CRT = src/,,config_ultimate64_crt.s
GEN_STR_CUS = $(DIR_CUS)/,generated/,packed_strings.s
GEN_STR_C64 = $(DIR_C64)/,generated/,packed_strings.s
GEN_STR_MC64 = $(DIR_MC64)/,generated/,packed_strings.s
GEN_STR_GEN = $(DIR_GEN)/,generated/,packed_strings.s
GEN_STR_GENCRT = $(DIR_GENCRT)/,generated/,packed_strings.s
GEN_STR_TST38 = $(DIR_TST38)/,generated/,packed_strings.s
@@ -212,6 +215,7 @@ TARGET_CHR_PXL = build/chargen_pxlfont.rom
TARGET_CUS_B = build/basic_custom.rom
TARGET_C64_B = build/basic_c64.rom
TARGET_MC64_B = build/basic_mc64.rom
TARGET_GEN_B = build/basic_generic.rom
TARGET_GENCRT_B = build/basic_generic_crt.rom
TARGET_TST38_B = build/basic_testing_38K.rom
@@ -221,6 +225,7 @@ TARGET_U64CRT_B = build/basic_ultimate64_crt.rom
TARGET_CUS_K = build/kernal_custom.rom
TARGET_C64_K = build/kernal_c64.rom
TARGET_MC64_K = build/kernal_mc64.rom
TARGET_GEN_K = build/kernal_generic.rom
TARGET_GENCRT_K = build/kernal_generic_crt.rom
TARGET_TST38_K = build/kernal_testing_38K.rom
@@ -237,6 +242,7 @@ TARGET_X16_x = build/cx16-dummy.rom
TARGET_LIST_CUS = $(TARGET_CUS_B) $(TARGET_CUS_K)
TARGET_LIST_C64 = $(TARGET_C64_B) $(TARGET_C64_K)
TARGET_LIST_MC64 = $(TARGET_MC64_B) $(TARGET_MC64_K)
TARGET_LIST_GEN = $(TARGET_GEN_B) $(TARGET_GEN_K)
TARGET_LIST_GENCRT = $(TARGET_GENCRT_B) $(TARGET_GENCRT_K) $(TARGET_GENCRT_X)
TARGET_LIST_TST38 = $(TARGET_TST38_B) $(TARGET_TST38_K)
@@ -249,6 +255,7 @@ TARGET_Z80TEST = ./build/cpm/Z80TEST.COM
TARGET_LIST = $(TARGET_CHR_ORF) \
$(TARGET_LIST_CUS) \
$(TARGET_LIST_C64) \
$(TARGET_LIST_MC64) \
$(TARGET_LIST_GEN) \
$(TARGET_LIST_GENCRT) \
$(TARGET_LIST_TST38) \
@@ -385,6 +392,8 @@ $(DIR_CUS)/OUTB_x.BIN $(DIR_CUS)/BASIC_combined.vs: \
$(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(DEP_BASIC) $(CFG_CUS) $(GEN_STR_CUS) $(DIR_CUS)/KERNAL_combined.sym
$(DIR_C64)/OUTB_x.BIN $(DIR_C64)/BASIC_combined.vs: \
$(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(DEP_BASIC) $(CFG_C64) $(GEN_STR_C64) $(DIR_C64)/KERNAL_combined.sym
$(DIR_MC64)/OUTB_x.BIN $(DIR_MC64)/BASIC_combined.vs: \
$(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(DEP_BASIC) $(CFG_MC64) $(GEN_STR_MC64) $(DIR_MC64)/KERNAL_combined.sym
$(DIR_GEN)/OUTB_x.BIN $(DIR_GEN)/BASIC_combined.vs: \
$(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(DEP_BASIC) $(CFG_GEN) $(GEN_STR_GEN) $(DIR_GEN)/KERNAL_combined.sym
$(DIR_TST38)/OUTB_x.BIN $(DIR_TST38)/BASIC_combined.vs: \
@@ -398,6 +407,8 @@ $(DIR_CUS)/OUTK_x.BIN $(DIR_CUS)/KERNAL_combined.vs $(DIR_CUS)/KERNAL_combined.s
$(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(DEP_KERNAL) $(CFG_CUS) $(GEN_STR_CUS)
$(DIR_C64)/OUTK_x.BIN $(DIR_C64)/KERNAL_combined.vs $(DIR_C64)/KERNAL_combined.sym: \
$(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(DEP_KERNAL) $(CFG_C64) $(GEN_STR_C64)
$(DIR_MC64)/OUTK_x.BIN $(DIR_MC64)/KERNAL_combined.vs $(DIR_MC64)/KERNAL_combined.sym: \
$(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(DEP_KERNAL) $(CFG_MC64) $(GEN_STR_MC64)
$(DIR_GEN)/OUTK_x.BIN $(DIR_GEN)/KERNAL_combined.vs $(DIR_GEN)/KERNAL_combined.sym: \
$(TOOL_ASSEMBLER) $(TOOL_BUILD_SEGMENT) $(DEP_KERNAL) $(CFG_GEN) $(GEN_STR_GEN)
$(DIR_TST38)/OUTK_x.BIN $(DIR_TST38)/KERNAL_combined.vs $(DIR_TST38)/KERNAL_combined.sym: \
@@ -457,6 +468,7 @@ $(DIR_X16)/kernal.seg_1 $(DIR_X16)/KERNAL_1_combined.vs $(DIR_X16)/KERNAL_1_comb
$(DIR_CUS)/OUTx_x.BIN: $(DIR_CUS)/OUTB_x.BIN $(DIR_CUS)/OUTK_x.BIN
$(DIR_C64)/OUTx_x.BIN: $(DIR_C64)/OUTB_x.BIN $(DIR_C64)/OUTK_x.BIN
$(DIR_MC64)/OUTx_x.BIN: $(DIR_MC64)/OUTB_x.BIN $(DIR_MC64)/OUTK_x.BIN
$(DIR_GEN)/OUTx_x.BIN: $(DIR_GEN)/OUTB_x.BIN $(DIR_GEN)/OUTK_x.BIN
$(DIR_GENCRT)/OUTx_0.BIN: $(DIR_GENCRT)/OUTB_0.BIN $(DIR_GENCRT)/OUTK_0.BIN
$(DIR_TST38)/OUTx_x.BIN: $(DIR_TST38)/OUTB_x.BIN $(DIR_TST38)/OUTK_x.BIN
@@ -468,6 +480,7 @@ $(DIR_X16)/OUTx_0.BIN: $(DIR_X16)/OUTB_0.BIN $(DIR_X16)/OUTK_0.BIN
$(TARGET_CUS_B): $(DIR_CUS)/OUTx_x.BIN
$(TARGET_C64_B): $(DIR_C64)/OUTx_x.BIN
$(TARGET_MC64_B): $(DIR_MC64)/OUTx_x.BIN
$(TARGET_GEN_B): $(DIR_GEN)/OUTx_x.BIN
$(TARGET_TST38_B): $(DIR_TST38)/OUTx_x.BIN
$(TARGET_TST60_B): $(DIR_TST60)/OUTx_x.BIN
@@ -475,6 +488,7 @@ $(TARGET_U64_B): $(DIR_U64)/OUTx_x.BIN
$(TARGET_CUS_K): $(DIR_CUS)/OUTx_x.BIN
$(TARGET_C64_K): $(DIR_C64)/OUTx_x.BIN
$(TARGET_MC64_K): $(DIR_MC64)/OUTx_x.BIN
$(TARGET_GEN_K): $(DIR_GEN)/OUTx_x.BIN
$(TARGET_TST38_K): $(DIR_TST38)/OUTx_x.BIN
$(TARGET_TST60_K): $(DIR_TST60)/OUTx_x.BIN
@@ -482,6 +496,7 @@ $(TARGET_U64_K): $(DIR_U64)/OUTx_x.BIN
build/symbols_custom.vs: $(DIR_CUS)/BASIC_combined.vs $(DIR_CUS)/KERNAL_combined.vs
build/symbols_c64.vs: $(DIR_C64)/BASIC_combined.vs $(DIR_C64)/KERNAL_combined.vs
build/symbols_mc64.vs: $(DIR_MC64)/BASIC_combined.vs $(DIR_MC64)/KERNAL_combined.vs
build/symbols_generic.vs: $(DIR_GEN)/BASIC_combined.vs $(DIR_GEN)/KERNAL_combined.vs
build/symbols_generic_crt.vs: $(DIR_GENCRT)/BASIC_0_combined.vs $(DIR_GENCRT)/KERNAL_0_combined.vs
build/symbols_testing_38K.vs: $(DIR_TST38)/BASIC_combined.vs $(DIR_TST38)/KERNAL_combined.vs
@@ -499,6 +514,10 @@ $(GEN_STR_C64): $(TOOL_GENERATE_STRINGS) $(CFG_C64)
@mkdir -p $(DIR_C64)/,generated
$(TOOL_GENERATE_STRINGS) -o $@ -c $(CFG_C64)
$(GEN_STR_MC64): $(TOOL_GENERATE_STRINGS) $(CFG_MC64)
@mkdir -p $(DIR_MC64)/,generated
$(TOOL_GENERATE_STRINGS) -o $@ -c $(CFG_MC64)
$(GEN_STR_GEN): $(TOOL_GENERATE_STRINGS) $(CFG_GEN)
@mkdir -p $(DIR_GEN)/,generated
$(TOOL_GENERATE_STRINGS) -o $@ -c $(CFG_GEN)
@@ -541,6 +560,7 @@ build/,generated/,z80_tables.s: $(TOOL_GENERATE_Z80_TABLES)
GEN_STR_custom = $(GEN_STR_CUS)
GEN_STR_c64 = $(GEN_STR_C64)
GEN_STR_mc64 = $(GEN_STR_MC64)
GEN_STR_generic = $(GEN_STR_GEN)
GEN_STR_generic_crt = $(GEN_STR_GENCRT)
GEN_STR_testing_38K = $(GEN_STR_TST38)
NOTICE
+16
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@@ -0,0 +1,16 @@
This is a modified version of MEGA65 Open ROMs (https://github.com/MEGA65/open-roms),
forked at upstream commit ad178dbe4d48cd6a317737a8e0e7e662f7e33d32.
Modified by Christian Werner, 2026-10-14, for the mc64 computers of arnitech, a set of
Minecraft mods (https://git.susdog.de/chris/arnitech). The fork lives at
https://git.susdog.de/chris/open-roms, branch mc64.
Changes:
- src/,,config_mc64.s: a new build configuration, copied from src/,,config_c64.s, with its
own config ID ($6D), the brand "MC64", and BCD_SAFE_INTERRUPTS turned off.
- Makefile: targets for that configuration, build/kernal_mc64.rom and build/basic_mc64.rom,
made the same way as the c64 ones.
- NOTICE: this file.
The licence terms are unchanged; see LICENSE, COPYING, and COPYING.LESSER.
src/,,config_mc64.s
+130
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@@ -0,0 +1,130 @@
;; #CONFIG# ID $6D ; should be 1 byte, different for each config file!
;
; Please read CONFIG.md before modifying this file!
;
; Idea:
; The Firmware of arnitech's mc64 computers, a Minecraft mod
; Same as the 'c64' configuration, except:
; - the banner names mc64
; - BCD_SAFE_INTERRUPTS is off, for IRQ entry timing closer to the original
; --- Hardware platform and brand
;; #CONFIG# PLATFORM_COMMODORE_64 YES
;; #CONFIG# BRAND_CUSTOM "MC64"
; --- Processor instruction set
;; #CONFIG# CPU_MOS_6502 YES
;; #CONFIG# CPU_DTV_6502 NO
;; #CONFIG# CPU_RCW_65C02 NO
;; #CONFIG# CPU_WDC_65C02 NO
;; #CONFIG# CPU_WDC_65816 NO
;; #CONFIG# CPU_CSG_65CE02 NO
; --- Memory model
;; #CONFIG# MEMORY_MODEL_38K YES
;; #CONFIG# MEMORY_MODEL_46K NO
;; #CONFIG# MEMORY_MODEL_50K NO
;; #CONFIG# MEMORY_MODEL_60K NO
; --- IEC bus configuration
;; #CONFIG# IEC YES
;; #CONFIG# IEC_DOLPHINDOS NO
;; #CONFIG# IEC_DOLPHINDOS_FAST NO
;; #CONFIG# IEC_JIFFYDOS NO
;; #CONFIG# IEC_JIFFYDOS_BLANK NO
; --- Tape deck configuration
;; #CONFIG# TAPE_NORMAL YES
;; #CONFIG# TAPE_TURBO NO
;; #CONFIG# TAPE_AUTODETECT NO
;; #CONFIG# TAPE_NO_KEY_SENSE NO
;; #CONFIG# TAPE_NO_MOTOR_CONTROL NO
; --- Sound support
;; #CONFIG# SID_2ND_ADDRESS NO
;; #CONFIG# SID_3RD_ADDRESS NO
;; #CONFIG# SID_D4XX NO
;; #CONFIG# SID_D5XX NO
;; #CONFIG# SID_D6XX NO
;; #CONFIG# SID_D7XX NO
; --- Keyboard settings
;; #CONFIG# KEYBOARD_C128 NO
;; #CONFIG# KEYBOARD_C128_CAPS_LOCK NO
;; #CONFIG# KEY_REPEAT_DEFAULT NO
;; #CONFIG# KEY_REPEAT_ALWAYS NO
;; #CONFIG# KEY_FAST_SCAN YES
;; #CONFIG# JOY1_CURSOR YES
;; #CONFIG# JOY2_CURSOR YES
;; #CONFIG# PROGRAMMABLE_KEYS YES
;; #CONFIG# KEYCMD_RUN "\5FL"
;; #CONFIG# KEYCMD_F1 "@8$"
;; #CONFIG# KEYCMD_F2 "LOAD"
;; #CONFIG# KEYCMD_F3 "@9$"
;; #CONFIG# KEYCMD_F4 "RUN:"
;; #CONFIG# KEYCMD_F5 "@10$"
;; #CONFIG# KEYCMD_F6 NO
;; #CONFIG# KEYCMD_F7 "@11$"
;; #CONFIG# KEYCMD_F8 NO
;; #CONFIG# KEYCMD_HELP "LIST"
; --- Screen editor
;; #CONFIG# EDIT_STOPQUOTE YES
; --- Software features
;; #CONFIG# PANIC_SCREEN YES
;; #CONFIG# DOS_WEDGE NO
;; #CONFIG# TAPE_WEDGE NO
;; #CONFIG# TAPE_HEAD_ALIGN NO
;; #CONFIG# BCD_SAFE_INTERRUPTS NO
; --- BASIC features
;; #CONFIG# ORIGINAL_UNPATCHED_BASIC YES
;; #CONFIG# TRANSCENDENTAL_FUNCTIONS YES
; --- Eye candy
;; #CONFIG# COLORS_BRAND NO
;; #CONFIG# BANNER_SIMPLE YES
;; #CONFIG# BANNER_FANCY NO
;; #CONFIG# SHOW_FEATURES YES
; --- Debug options
;; #CONFIG# DBG_STUBS_BRK NO
;; #CONFIG# DBG_PRINTF NO
; --- Other
;; #CONFIG# COMPRESSION_LVL_2 NO