initial upstream import

[drnoksnes] / render8 orr.S

diff --git a/render8 orr.S b/render8 orr.S
new file mode 100644 (file)
index 0000000..e58c068
--- /dev/null
+++ b/render8 orr.S
@@ -0,0 +1,218 @@
+       .global asmDrawTile8_noflip
+       .global asmDrawTile8_hflip
+       .global asmDrawTile8_hvflip
+       .global asmDrawTile8_vflip
+       .global asmDrawTile8T_noflip
+       .global asmDrawTile8T_hflip
+       .global asmDrawTile8T_hvflip
+       .global asmDrawTile8T_vflip
+       
+       ;@ ###############################
+       .macro DRAWTILE_NOFLIP
+       ;@ ###############################
+       ldr r3,[r0],#4
+       
+       ands r12,r3,#0x0000000F
+       orrne r12,r1,r12
+       strneb r12,[r2,#0]
+       
+       ands r12,r3,#0x000000F0
+       orrne r12,r1,r12,lsr#4
+       strneb r12,[r2,#1]
+       
+       ands r12,r3,#0x00000F00
+       orrne r12,r1,r12,lsr#8
+       strneb r12,[r2,#2]
+       
+       ands r12,r3,#0x0000F000
+       orrne r12,r1,r12,lsr#12
+       strneb r12,[r2,#3]
+       
+       ands r12,r3,#0x000F0000
+       orrne r12,r1,r12,lsr#16
+       strneb r12,[r2,#4]
+       
+       ands r12,r3,#0x00F00000
+       orrne r12,r1,r12,lsr#20
+       strneb r12,[r2,#5]
+       
+       ands r12,r3,#0x0F000000
+       orrne r12,r1,r12,lsr#24
+       strneb r12,[r2,#6]
+       
+       ands r12,r3,#0xF0000000
+       orrne r12,r1,r12,lsr#28
+       strneb r12,[r2,#7]
+
+       add r2,r2,#320
+       .endm
+       
+       ;@ ###############################
+       .macro DRAWTILE_HFLIP
+       ;@ ###############################
+       ldr r3,[r0],#4
+       
+       ands r12,r3,#0x0000000F
+       orrne r12,r1,r12
+       strneb r12,[r2,#7]
+       
+       ands r12,r3,#0x000000F0
+       orrne r12,r1,r12,lsr#4
+       strneb r12,[r2,#6]
+       
+       ands r12,r3,#0x00000F00
+       orrne r12,r1,r12,lsr#8
+       strneb r12,[r2,#5]
+       
+       ands r12,r3,#0x0000F000
+       orrne r12,r1,r12,lsr#12
+       strneb r12,[r2,#4]
+       
+       ands r12,r3,#0x000F0000
+       orrne r12,r1,r12,lsr#16
+       strneb r12,[r2,#3]
+       
+       ands r12,r3,#0x00F00000
+       orrne r12,r1,r12,lsr#20
+       strneb r12,[r2,#2]
+       
+       ands r12,r3,#0x0F000000
+       orrne r12,r1,r12,lsr#24
+       strneb r12,[r2,#1]
+       
+       ands r12,r3,#0xF0000000
+       orrne r12,r1,r12,lsr#28
+       strneb r12,[r2,#0]
+
+       add r2,r2,#320
+       .endm
+       
+       ;@ ###############################
+       .macro DRAWTILE_HVFLIP
+       ;@ ###############################
+       ldr r3,[r0],#4
+       
+       ands r12,r3,#0x0000000F
+       orrne r12,r1,r12
+       strneb r12,[r2,#7]
+       
+       ands r12,r3,#0x000000F0
+       orrne r12,r1,r12,lsr#4
+       strneb r12,[r2,#6]
+       
+       ands r12,r3,#0x00000F00
+       orrne r12,r1,r12,lsr#8
+       strneb r12,[r2,#5]
+       
+       ands r12,r3,#0x0000F000
+       orrne r12,r1,r12,lsr#12
+       strneb r12,[r2,#4]
+       
+       ands r12,r3,#0x000F0000
+       orrne r12,r1,r12,lsr#16
+       strneb r12,[r2,#3]
+       
+       ands r12,r3,#0x00F00000
+       orrne r12,r1,r12,lsr#20
+       strneb r12,[r2,#2]
+       
+       ands r12,r3,#0x0F000000
+       orrne r12,r1,r12,lsr#24
+       strneb r12,[r2,#1]
+       
+       ands r12,r3,#0xF0000000
+       orrne r12,r1,r12,lsr#28
+       strneb r12,[r2,#0]
+
+       sub r2,r2,#320
+       .endm
+       
+       ;@ ###############################
+       .macro DRAWTILE_VFLIP
+       ;@ ###############################
+       ldr r3,[r0],#4
+       
+       ands r12,r3,#0x0000000F
+       orrne r12,r1,r12
+       strneb r12,[r2,#0]
+       
+       ands r12,r3,#0x000000F0
+       orrne r12,r1,r12,lsr#4
+       strneb r12,[r2,#1]
+       
+       ands r12,r3,#0x00000F00
+       orrne r12,r1,r12,lsr#8
+       strneb r12,[r2,#2]
+       
+       ands r12,r3,#0x0000F000
+       orrne r12,r1,r12,lsr#12
+       strneb r12,[r2,#3]
+       
+       ands r12,r3,#0x000F0000
+       orrne r12,r1,r12,lsr#16
+       strneb r12,[r2,#4]
+       
+       ands r12,r3,#0x00F00000
+       orrne r12,r1,r12,lsr#20
+       strneb r12,[r2,#5]
+       
+       ands r12,r3,#0x0F000000
+       orrne r12,r1,r12,lsr#24
+       strneb r12,[r2,#6]
+       
+       ands r12,r3,#0xF0000000
+       orrne r12,r1,r12,lsr#28
+       strneb r12,[r2,#7]
+
+       sub r2,r2,#320
+       .endm
+
+
+asmDrawTile8_noflip:
+       DRAWTILE_NOFLIP
+       DRAWTILE_NOFLIP
+       DRAWTILE_NOFLIP
+       DRAWTILE_NOFLIP
+       DRAWTILE_NOFLIP
+       DRAWTILE_NOFLIP
+       DRAWTILE_NOFLIP
+       DRAWTILE_NOFLIP
+       mov pc,lr
+       
+asmDrawTile8_hflip:
+       DRAWTILE_HFLIP
+       DRAWTILE_HFLIP
+       DRAWTILE_HFLIP
+       DRAWTILE_HFLIP
+       DRAWTILE_HFLIP
+       DRAWTILE_HFLIP
+       DRAWTILE_HFLIP
+       DRAWTILE_HFLIP
+       mov pc,lr
+       
+asmDrawTile8_hvflip:
+       DRAWTILE_HVFLIP
+       DRAWTILE_HVFLIP
+       DRAWTILE_HVFLIP
+       DRAWTILE_HVFLIP
+       DRAWTILE_HVFLIP
+       DRAWTILE_HVFLIP
+       DRAWTILE_HVFLIP
+       DRAWTILE_HVFLIP
+    mov pc,lr
+       
+asmDrawTile8_vflip:
+       DRAWTILE_VFLIP
+       DRAWTILE_VFLIP
+       DRAWTILE_VFLIP
+       DRAWTILE_VFLIP
+       DRAWTILE_VFLIP
+       DRAWTILE_VFLIP
+       DRAWTILE_VFLIP
+       DRAWTILE_VFLIP
+       mov pc,lr
+       
+       
+       
+
+