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Add SGN FAC1

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Rikard Nordgren committed 2025-02-02 13:30:33 +01:00
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commit 4ac8de0a86
4 files changed
+6 -4
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STATUS.md
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@@ -232,7 +232,7 @@ Floating point mathematical routines - not official, but well known and broadly
| `$BC0F` | `mov_FAC1_FAC2` | DONE | | | `$BC0F` | `mov_FAC1_FAC2` | DONE | |
| `$BC1B` | `round_FAC1` | PARTIAL | not fully tested yet | | `$BC1B` | `round_FAC1` | PARTIAL | not fully tested yet |
| `$BC2B` | `sgn_FAC1_A` | DONE | | | `$BC2B` | `sgn_FAC1_A` | DONE | |
| `$BC39` | `sgn_FAC1` | NOT DONE | | | `$BC39` | `sgn_FAC1` | DONE | |
| `$BC3C` | `convert_A_to_FAC1` | PARTIAL | not fully tested yet | | `$BC3C` | `convert_A_to_FAC1` | PARTIAL | not fully tested yet |
| `$BC44` | `convert_i16_to_FAC1` | PARTIAL | not fully tested yet | | `$BC44` | `convert_i16_to_FAC1` | PARTIAL | not fully tested yet |
| `$BC58` | `abs_FAC1` | NOT DONE | | | `$BC58` | `abs_FAC1` | NOT DONE | |
src/basic/,stubs_math/bc39.interop → src/basic/math/bc39.interop
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File renamed without changes.
src/basic/,stubs_math/bc39.sgn_FAC1.s → src/basic/math/bc39.sgn_FAC1.s
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@@ -15,7 +15,6 @@
; - https://codebase64.org/doku.php?id=base:kernal_floating_point_mathematics ; - https://codebase64.org/doku.php?id=base:kernal_floating_point_mathematics
; ;
; XXX provide implementation
sgn_FAC1: sgn_FAC1:
+STUB_IMPLEMENTATION jsr sgn_FAC1_A
; Fallthrough to convert_A_to_FAC1
strings/202BBC8562
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@@ -0,0 +1,3 @@
JSR $BC2B + STA $62
Calls the SGN FAC1 into A which is a well known routine and then stores the result in the FAC1 mantissa. Trivial