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serial interrupt

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This commit is contained in:
yenatch 2013-08-28 01:24:52 -04:00
parent 8898f63fc7
commit faae0e1029
1 changed files with 9 additions and 4 deletions
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13
main.asm
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@ -44,7 +44,7 @@ SECTION "timer",ROM0[$50] ; timer interrupt
jp Timer
SECTION "serial",ROM0[$58] ; serial interrupt
jp Function6ef
jp Serial
SECTION "joypad",ROM0[$60] ; joypad interrupt
jp JoypadInt
@ -633,20 +633,24 @@ Function6e3: ; 6e3
Function6ef: ; 6ef
Serial: ; 6ef
push af
push bc
push de
push hl
ld a, [$ffc9]
and a
jr nz, .asm_71c
ld a, [$c2d4]
bit 0, a
jr nz, .asm_721
ld a, [$ffcb]
inc a
jr z, .asm_726
ld a, [rSB]
ld [$ffce], a
ld a, [$ffcd]
@ -654,7 +658,8 @@ Function6ef: ; 6ef
ld a, [$ffcb]
cp $2
jr z, .asm_752
ld a, $0
ld a, $00
ld [rSC], a
ld a, $80
ld [rSC], a
@ -688,7 +693,7 @@ Function6ef: ; 6ef
ld a, [rDIV]
bit 7, a
jr nz, .asm_73f
ld a, $0
ld a, $00
ld [rSC], a
ld a, $80
ld [rSC], a