Mercurial > repos > blastem
annotate test_arm.c @ 922:913a6336ce20
Shift slot number to slot behavior mapping by six slots in H40 mode. This makes the line change slot align with the point at which the display turns on and off at the end of the active display area. Also fixed a regression in which an external slot got accidentally changed into a sprite draw slot
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 28 Jan 2016 09:10:14 -0800 |
parents | 474270dbff15 |
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Added untested code for generating ARM machine code
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1 #include <stdio.h> |
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2 #include "gen_arm.h" |
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3 |
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4 typedef int32_t (*fib_fun)(int32_t); |
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5 |
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6 int main(int arc, char **argv) |
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7 { |
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8 code_info code; |
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9 init_code_info(&code); |
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10 uint32_t *fib = code.cur; |
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11 subi(&code, r0, r0, 2, SET_COND); |
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12 movi_cc(&code, r0, 1, NO_COND, CC_LT); |
1af6c1052993
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13 bx_cc(&code, lr, CC_LT); |
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14 pushm(&code, LR | R4); |
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15 mov(&code, r4, r0, NO_COND); |
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16 bl(&code, fib); |
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17 mov(&code, r1, r0, NO_COND); |
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18 addi(&code, r0, r4, 1, NO_COND); |
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19 mov(&code, r4, r1, NO_COND); |
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20 bl(&code, fib); |
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21 add(&code, r0, r4, r0, NO_COND); |
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22 popm(&code, LR | R4); |
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474270dbff15
Fix ARM code generation and test program
Michael Pavone <pavone@retrodev.com>
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23 bx(&code, lr); |
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24 |
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25 fib_fun fibc = (fib_fun)fib; |
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26 printf("fib(10): %d\n", fibc(10)); |
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27 |
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28 return 0; |
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29 } |