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.cue support, Pico stubs
[picodrive.git]
/
Pico
/
Draw.s
diff --git
a/Pico/Draw.s
b/Pico/Draw.s
index
3a3da81
..
5ddd5e6
100644
(file)
--- a/
Pico/Draw.s
+++ b/
Pico/Draw.s
@@
-444,8
+444,8
@@
DrawLayer:
.DrawStrip_vsscroll:
\r
rsb r8, r3, #0
\r
mov r8, r8, lsr #3 @ r8=tilex=(-ts->hscroll)>>3
\r
.DrawStrip_vsscroll:
\r
rsb r8, r3, #0
\r
mov r8, r8, lsr #3 @ r8=tilex=(-ts->hscroll)>>3
\r
- bic r8, r8, #0x
ff0
00000
\r
- orr r8, r8, r5, lsl #25 @ r8=(xmask[31:25]|had_output[24]|tilex[2
3
:0])
\r
+ bic r8, r8, #0x
3fc
00000
\r
+ orr r8, r8, r5, lsl #25 @ r8=(xmask[31:25]|had_output[24]|tilex[2
1
:0])
\r
\r
ldr r4, =Scanline
\r
orr r5, r1, r10, lsl #24
\r
\r
ldr r4, =Scanline
\r
orr r5, r1, r10, lsl #24
\r
@@
-504,9
+504,9
@@
DrawLayer:
ldrh r7, [r7] @ r7=vscroll
\r
\r
bic r10,r10,#0xff @ clear old ty
\r
ldrh r7, [r7] @ r7=vscroll
\r
\r
bic r10,r10,#0xff @ clear old ty
\r
- and r4, r5, #0xff0000
\r
- add r4, r4, r7, lsl #16
\r
- and r4, r4, r5, lsl #16 @
r4=line<<16
\r
+ and r4, r5, #0xff0000
@ scanline
\r
+ add r4, r4, r7, lsl #16
@ ... += vscroll
\r
+ and r4, r4, r5, lsl #16 @
... &= ymask
\r
and r7, r4, #0x70000
\r
orr r10,r10,r7, lsr #15 @ new ty
\r
\r
and r7, r4, #0x70000
\r
orr r10,r10,r7, lsr #15 @ new ty
\r
\r
@@
-529,7
+529,7
@@
DrawLayer:
beq .DrawStrip_vs_samecode @ we know stuff about this tile already
\r
\r
mov r9, r7 @ remember code
\r
beq .DrawStrip_vs_samecode @ we know stuff about this tile already
\r
\r
mov r9, r7 @ remember code
\r
- orr r8, r8, #
1<<24
@ seen non hi-prio tile
\r
+ orr r8, r8, #
(1<<24)
@ seen non hi-prio tile
\r
\r
movs r2, r9, lsl #20 @ if (code&0x1000)
\r
mov r2, r2, lsl #1
\r
\r
movs r2, r9, lsl #20 @ if (code&0x1000)
\r
mov r2, r2, lsl #1
\r
@@
-603,7
+603,7
@@
DrawLayer:
b .dsloop_vs
\r
\r
.dsloop_vs_exit:
\r
b .dsloop_vs
\r
\r
.dsloop_vs_exit:
\r
- tst r8, #
1<<24
@ seen non hi-prio tile
\r
+ tst r8, #
(1<<24)
@ seen non hi-prio tile
\r
ldreq r1, =rendstatus
\r
mov r0, #0
\r
ldreq r2, [r1]
\r
ldreq r1, =rendstatus
\r
mov r0, #0
\r
ldreq r2, [r1]
\r