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Merge pull request #346 from DrDoof/fix/crtstart-home

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Rename crtstart.asm to crtbank.asm
put the bank switching helpers in HOME-code location
This commit is contained in:
René van Dorst
2026-08-15 20:33:54 +00:00
committed by GitHub
parent 8bc530d3d0 59c60504e7
commit ce85576882
3 changed files with 30 additions and 18 deletions
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Makefile
+1 -1
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@@ -118,7 +118,7 @@ $(BUILDDIR)/%.rel: %.asm
${ASM} ${AFLAGS} -o $@ $< ${ASM} ${AFLAGS} -o $@ $<
# mv -f $(addprefix $(basename $^), .lst .rel .sym) . # mv -f $(addprefix $(basename $^), .lst .rel .sym) .
$(BUILDDIR)/rtlplayground.ihx: $(OBJS) $(BUILDDIR)/crtstart.rel $(BUILDDIR)/crc16.rel $(BUILDDIR)/rtlplayground.ihx: $(OBJS) $(BUILDDIR)/crtbank.rel $(BUILDDIR)/crc16.rel
$(CC) $(CC_FLAGS) -Wl-bHOME=0x00000 -Wl-bBANK1=0x14000 -Wl-bBANK2=0x24000 -Wl-r -o $@ $^ $(CC) $(CC_FLAGS) -Wl-bHOME=0x00000 -Wl-bBANK1=0x14000 -Wl-bBANK2=0x24000 -Wl-r -o $@ $^
$(BUILDDIR)/rtlplayground.img: $(BUILDDIR)/rtlplayground.ihx $(BUILDDIR)/rtlplayground.img: $(BUILDDIR)/rtlplayground.ihx
crtbank.asm
+29
View File
@@ -0,0 +1,29 @@
.area HOME (CODE)
.area GSINIT0 (CODE)
.area GSINIT1 (CODE)
.area GSINIT2 (CODE)
.area GSINIT3 (CODE)
.area GSINIT4 (CODE)
.area GSINIT5 (CODE)
.area GSINIT (CODE)
.area GSFINAL (CODE)
.area CSEG (CODE)
.area HOME (CODE)
__sdcc_banked_call::
push _PSBANK
xch a,r0
push a
mov a,r1
push a
mov a,r2
anl a,#0x1f
mov _PSBANK, a
xch a, r0
ret
__sdcc_banked_ret::
pop _PSBANK
ret
crtstart.asm
-17
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@@ -1,17 +0,0 @@
.area GSFINAL (CODE)
__sdcc_banked_call::
push _PSBANK
xch a,r0
push a
mov a,r1
push a
mov a,r2
anl a,#0x1f
mov _PSBANK, a
xch a, r0
ret
__sdcc_banked_ret::
pop _PSBANK
ret