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annotate svp_util.c @ 1863:d60f2d7c02a5

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Differentiate between the full Sega mapper and the SRAM only one. Fixes crash on save state load for Phantasy Star IV and other games that use the same mapper
author Michael Pavone <pavone@retrodev.com>
date Tue, 14 May 2019 23:20:35 -0700
parents ca158bc091f9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1620
a172f97d873f Add the ability for a CPU definition to reference arbitrary C includes and use it to add a placeholder definition of svp_read_16
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1
1621
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
2 void svp_prog_read_16(svp_context *context)
1620
a172f97d873f Add the ability for a CPU definition to reference arbitrary C includes and use it to add a placeholder definition of svp_read_16
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3 {
1621
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
4 uint16_t address = context->scratch1 >> 1;
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
5 context->scratch1 = context->rom[address];
1620
a172f97d873f Add the ability for a CPU definition to reference arbitrary C includes and use it to add a placeholder definition of svp_read_16
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
6 }