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comparison level2/modules/kernel/fsrqmem.asm @ 2680:9498d2c8d36e lwtools-port

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Change unsupported operator in lwasm Switch >>8 to /256 due to >> not being supported by lwasm.
author William Astle <lost@l-w.ca>
date Sun, 10 Jun 2012 14:35:57 -0600
parents 055c774cb633
children 039ddb7c8ad7
comparison
equal deleted inserted replaced
2679:8243b6c181b4 2680:9498d2c8d36e
77 * NOTE: Opt for CoCo/TC9 OS9 ONLY: skip last 256 - Bt.Start pages since 77 * NOTE: Opt for CoCo/TC9 OS9 ONLY: skip last 256 - Bt.Start pages since
78 * they are: Kernel (REL/BOOT/KRN - 17 pages), vector RAM & I/O (2 pages) 78 * they are: Kernel (REL/BOOT/KRN - 17 pages), vector RAM & I/O (2 pages)
79 * (Already permanently marked @ L01D2) 79 * (Already permanently marked @ L01D2)
80 * At the start, Y is pointing to the end of the SMAP table+1 80 * At the start, Y is pointing to the end of the SMAP table+1
81 ldx <D.SysMem Get start of table ptr 81 ldx <D.SysMem Get start of table ptr
82 leay Bt.Start>>8,x 82 leay Bt.Start/256,x
83 ldb #32 skip block 0: it's always full 83 ldb #32 skip block 0: it's always full
84 abx same size, but faster than leax $20,x 84 abx same size, but faster than leax $20,x
85 * leay -(256-(Bt.Start>>8)),y skip Kernel, Vector RAM & I/O (Can't be free) 85 * leay -(256-(Bt.Start>>8)),y skip Kernel, Vector RAM & I/O (Can't be free)
86 L0857 ldb R$A,u Get # 256 byte pages requested 86 L0857 ldb R$A,u Get # 256 byte pages requested
87 * Loop (from end of system mem map) to look for # continuous pages requested 87 * Loop (from end of system mem map) to look for # continuous pages requested