git.y1.nz

commit ff01951295aef8be715250cc5427587931844a43
parent 165fd693e0e423658890e13a66a2e6293a39ace6
Author: Toxa <untoxa@mail.ru>
Date:   Tue,  7 Sep 2021 23:25:45 +0300

SMS/GG: asm macro for canceling pending VDP interrupts

Diffstat:
M
gbdk-lib/libc/targets/z80/crt0.s
2
+-
M
gbdk-lib/libc/targets/z80/gg/global.s
4
++++
M
gbdk-lib/libc/targets/z80/sms/global.s
4
++++

3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/gbdk-lib/libc/targets/z80/crt0.s b/gbdk-lib/libc/targets/z80/crt0.s
@@ -115,7 +115,7 @@ _WRITE_VDP_DATA::
 
         call _set_default_palette
 
-        in a, (.VDP_STAT)       ; cancel pending VDP interrupts
+        VDP_CANCEL_INT
 
         ei                      ; re-enable interrupts before going to main()
         call _main
diff --git a/gbdk-lib/libc/targets/z80/gg/global.s b/gbdk-lib/libc/targets/z80/gg/global.s
@@ -273,6 +273,10 @@ lbl:
 lbl:
 .endm
 
+.macro VDP_CANCEL_INT
+        in a, (.VDP_STAT)       ; cancel pending VDP interrupts
+.endm
+
 .macro WRITE_VDP_CMD_HL
         rst 0x10
 .endm
diff --git a/gbdk-lib/libc/targets/z80/sms/global.s b/gbdk-lib/libc/targets/z80/sms/global.s
@@ -237,6 +237,10 @@ lbl:
 lbl:
 .endm
 
+.macro VDP_CANCEL_INT
+        in a, (.VDP_STAT)       ; cancel pending VDP interrupts
+.endm
+
 .macro WRITE_VDP_CMD_HL
         rst 0x10
 .endm

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