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Implement some missing Hyppo DOS traps, with long filename support #946

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Implement some missing Hyppo DOS traps, with long filename support #946

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ef10cd6
Implement some missing Hyppo DOS traps, with long filename support
Aug 30, 2026
0704d9b
hyppo: stop mkfile's cluster search at the end of the file system
Sep 7, 2026
ded9e42
hyppo: cut mkfile's cluster chain to the file's actual length
Sep 7, 2026
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5 changes: 5 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@ src/tests/*.list
src/tests/*.map
src/tests/*.label
src/tests/*.lbl
src/tests/*.sym
src/tools/*.list
src/tools/*.map
src/tools/*.label
Expand Down Expand Up @@ -145,3 +146,7 @@ PASS.*
# jenkins build artifacts
JENKINS_BUILD_ID
JENKINS_BUILD_VERSION

# local hyppo DOS-trap exercisers, not part of the build
src/tests/hyppo_dos_traps_test.a65
src/tests/hyppo_dos_util.a65
7 changes: 5 additions & 2 deletions Makefile
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Expand Up @@ -1089,11 +1089,14 @@ $(BINDIR)/border.prg: $(SRCDIR)/border.a65 $(OPHIS_DEPEND)
$(OPHIS) $(OPHISOPT) $< -l $(BINDIR)/border.list -m $*.map -o $(BINDIR)/border.prg

# ============================ done moved, print-warn, clean-target
# --strict-segments: the fixed data areas at $BB00 and up wind * backwards,
# so code growing past them would otherwise only warn and quietly overwrite
# the tail of hyppo.
$(BINDIR)/HICKUP.M65: $(ACME_DEPEND) $(wildcard $(SRCDIR)/hyppo/*.asm) $(SRCDIR)/version.asm
$(ACME) --cpu m65 --setpc 0x8000 -l src/hyppo/HICKUP.sym -r src/hyppo/HICKUP.rep -I $(SRCDIR)/hyppo -DDEBUG_HYPPO=$(DEBUG_HYPPO) $(SRCDIR)/hyppo/main.asm
$(ACME) --cpu m65 --strict-segments --setpc 0x8000 -l src/hyppo/HICKUP.sym -r src/hyppo/HICKUP.rep -I $(SRCDIR)/hyppo -DDEBUG_HYPPO=$(DEBUG_HYPPO) $(SRCDIR)/hyppo/main.asm

$(BINDIR)/BRICKUP.M65: $(ACME_DEPEND) $(wildcard $(SRCDIR)/hyppo/*.asm) $(SRCDIR)/version.asm
$(ACME) --cpu m65 --setpc 0x8000 -l src/hyppo/HICKUP.sym -r src/hyppo/HICKUP.rep -I $(SRCDIR)/hyppo -DDEBUG_HYPPO=$(DEBUG_HYPPO) $(SRCDIR)/hyppo/joyflash.asm
$(ACME) --cpu m65 --strict-segments --setpc 0x8000 -l src/hyppo/HICKUP.sym -r src/hyppo/HICKUP.rep -I $(SRCDIR)/hyppo -DDEBUG_HYPPO=$(DEBUG_HYPPO) $(SRCDIR)/hyppo/joyflash.asm

$(UTILDIR)/cpusim.prg: $(ACME_DEPEND) $(UTILDIR)/cpusim.asm
$(ACME) --cpu m65 --setpc 0x8100 -l cpusim.sym -r cpusim.rep $(UTILDIR)/cpusim.asm
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10 changes: 5 additions & 5 deletions src/hyppo/audiomix.asm
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Expand Up @@ -79,7 +79,7 @@ audiomix_set_sid_lr_coefficients:
ldx #$22
jsr audiomix_set2coefficients
ldx #$32
jmp audiomix_set2coefficients
bra audiomix_set2coefficients

audiomix_set_sid_rl_coefficients:
ldx #$c2
Expand All @@ -97,23 +97,23 @@ audiomix_set_sid_rl_coefficients:
ldx #$20
jsr audiomix_set2coefficients
ldx #$30
jmp audiomix_set2coefficients
bra audiomix_set2coefficients

audio_set_stereo:
;; Left and right SID volume levels
;; for stereo operation
lda #$be
jsr audiomix_set_sid_lr_coefficients
lda #$40
jmp audiomix_set_sid_rl_coefficients
bra audiomix_set_sid_rl_coefficients

audio_set_stereomirrored:
;; Left and right SID volume levels
;; for stereo operation
lda #$40
jsr audiomix_set_sid_lr_coefficients
lda #$be
jmp audiomix_set_sid_rl_coefficients
bra audiomix_set_sid_rl_coefficients

audiomix_setcoefficient:
stx audiomix_addr
Expand Down Expand Up @@ -144,4 +144,4 @@ audiomix_set4coefficients:
audiomix_set2coefficients:
jsr audiomix_setcoefficient
inx
jmp audiomix_setcoefficient
bra audiomix_setcoefficient
2 changes: 2 additions & 0 deletions src/hyppo/constants.asm
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Expand Up @@ -39,6 +39,8 @@
dos_errorcode_file_exists = $8D
dos_errorcode_directory_full = $8E
dos_errorcode_double_attach = $8F
dos_errorcode_directory_not_empty = $90
dos_errorcode_path_too_long = $91
dos_errorcode_eof = $FF

;; FAT directory entry constants
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