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Add parameter registers for GET usage
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DataHoarder 2021-08-03 02:25:54 +02:00
parent 71f3fb6f36
commit 525eb6d799
1 changed files with 17 additions and 0 deletions
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17
asm/stdlib.asm
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@ -29,6 +29,23 @@
.constant P15 %0, +14 ;; Equivalent to same address in GET <Reg>, 14
.constant P16 %0, +15 ;; Equivalent to same address in GET <Reg>, 15
;; These are parameter registers to be called with GET to access stack frame parameters
.constant GET_P2 1
.constant GET_P3 2
.constant GET_P4 3
.constant GET_P5 4
.constant GET_P6 5
.constant GET_P7 6
.constant GET_P8 7
.constant GET_P9 8
.constant GET_P10 9
.constant GET_P11 10
.constant GET_P12 11
.constant GET_P13 12
.constant GET_P14 13
.constant GET_P15 14
.constant GET_P16 15
;; Ephemeral registers to be used within functions. These values may not be kept when calling other functions. They can be used when returning values if necessary.
;; Some std functions might restore these values.
.constant std_EPHEMERAL_REGISTER_0 BSM_SCRATCH_START +0x1F0