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Fix logic in int32_mul and overflow integer multiply to floating point
It seems logical to allow integer multiplication to overflow to floating
point. If this turns out to be unfortunate, it can be changed. In this
update, 32 bit integer multiplication will overflow to floating point.
author | William Astle <lost@l-w.ca> |
---|---|
date | Sat, 07 Oct 2023 13:39:25 -0600 |
parents | bb50ac9fdf37 |
children | f1d847f69c0d |
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.PHONY: all all: bin/lwbasic.rom bin/lwbasic-coco2b.rom bin/lwbasic-coco3.rom bin/coco2.zip bin/coco2b.zip bin/coco3.zip lwb_srcs := consscr.s defs.s error.s expr.s fps.s genio.s init.s int.s interp.s irq.s keyb.s keywords.s miscdata.s number.s print.s progctrl.s token.s vars.s lwb_srcs := $(addprefix src/,$(lwb_srcs)) bin/lwbasic.rom: src/lwbasic.s $(lwb_srcs) lwasm --6809 --tabs=16 --raw --list=src/lwbasic-coco2.list --symbols --output=bin/lwbasic.rom src/lwbasic.s bin/lwbasic-coco2b.rom: src/lwbasic.s $(lwb_srcs) lwasm --6809 --tabs=16 --raw --list=src/lwbasic-coco2b.list --symbols --output=bin/lwbasic-coco2b.rom -DCOCO2B=1 src/lwbasic.s bin/lwbasic-coco3.rom: src/lwbasic.s $(lwb_srcs) lwasm --6809 --tabs=16 --raw --list=src/lwbasic-coco3.list --symbols --output=bin/lwbasic-coco3.rom -DCOCO3=1 src/lwbasic.s .PHONY: clean clean: rm -f bin/*.rom bin/*.zip rm -f src/*.list rm -f */*~ *~ bin/coco2.zip: bin/lwbasic.rom mkdir -p coco2 rm -f coco2/* coco2.zip dd if=bin/lwbasic.rom of=coco2/extbas11.rom bs=1024 count=8 dd if=bin/lwbasic.rom of=coco2/bas12.rom bs=1024 count=8 skip=8 dd if=bin/lwbasic.rom of=coco2/disk11.rom bs=1024 count=16 skip=16 zip bin/coco2.zip coco2/extbas11.rom coco2/bas12.rom coco2/disk11.rom rm -rf coco2 bin/coco2b.zip: bin/lwbasic-coco2b.rom mkdir -p coco2b rm -f coco2b/* coco2b.zip dd if=bin/lwbasic-coco2b.rom of=coco2b/extbas11.rom bs=1024 count=8 dd if=bin/lwbasic-coco2b.rom of=coco2b/bas13.rom bs=1024 count=8 skip=8 dd if=bin/lwbasic-coco2b.rom of=coco2b/disk11.rom bs=1024 count=16 skip=16 zip bin/coco2b.zip coco2b/extbas11.rom coco2b/bas13.rom coco2b/disk11.rom rm -rf coco2b bin/coco3.zip: bin/lwbasic-coco3.rom mkdir -p coco3 rm -f coco3/* coco3.zip dd if=bin/lwbasic-coco3.rom of=coco3/coco3.rom bs=1024 count=32 dd if=/dev/null of=coco3/disk11.rom bs=1024 count=8 zip bin/coco3.zip coco3/coco3.rom coco3/disk11.rom rm -rf coco3 .PHONY: mame2 mame2d mame2: bin/coco2.zip mame coco2 -skip_gameinfo -rompath ./bin mame2d: bin/coco2.zip mame coco2 -skip_gameinfo -rompath ./bin -debug .PHONY: mame3 mame3d mame3: bin/coco3.zip mame coco3 -skip_gameinfo -rompath ./bin mame3d: bin/coco3.zip mame coco3 -skip_gameinfo -rompath ./bin -debug .PHONY: mame2b mame2bd mame2b: bin/coco2b.zip mame coco2b -skip_gameinfo -rompath ./bin mame2bd: bin/coco2b.zip mame coco2b -skip_gameinfo -rompath ./bin -debug