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- @ vim:filetype=armasm
- .global cache_flush_d_inval_i
- cache_flush_d_inval_i:
- mov r2, #0x0 @ must be 0 ???
- swi 0x9f0002
- bx lr
- .global clut_line @ void *dest, void *src, unsigned short *pal, int pixels_mask
- clut_line:
- stmfd sp!, {r4-r11,lr}
- and lr, r3, #0xff0000
- mov lr, lr, lsr #15 @ mask
- mov r3, r3, lsr #3
- and r3, r3, #0xff @ counter
- add r11,r0, #800*2
- clut_line_loop:
- ldmia r1!, {r10,r12}
- and r4, lr, r10, lsl #1
- ldrh r4, [r2, r4]
- and r5, lr, r10, lsr #7
- ldrh r5, [r2, r5]
- orr r4, r4, r4, lsl #16
- and r6, lr, r10, lsr #15
- ldrh r6, [r2, r6]
- orr r5, r5, r5, lsl #16
- and r7, lr, r10, lsr #23
- ldrh r7, [r2, r7]
- orr r6, r6, r6, lsl #16
- and r8, lr, r12, lsl #1
- ldrh r8, [r2, r8]
- orr r7, r7, r7, lsl #16
- and r9, lr, r12, lsr #7
- ldrh r9, [r2, r9]
- orr r8, r8, r8, lsl #16
- and r10,lr, r12, lsr #15
- ldrh r10,[r2, r10]
- orr r9, r9, r9, lsl #16
- and r12,lr, r12, lsr #23
- ldrh r12,[r2, r12]
- orr r10,r10,r10, lsl #16
- subs r3, r3, #1
- orr r12,r12,r12, lsl #16
- stmia r0!, {r4-r10,r12}
- stmia r11!,{r4-r10,r12}
- bne clut_line_loop
- ldmfd sp!, {r4-r11,pc}
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